CN105464043A - Floating body wharf - Google Patents
Floating body wharf Download PDFInfo
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- CN105464043A CN105464043A CN201410455524.XA CN201410455524A CN105464043A CN 105464043 A CN105464043 A CN 105464043A CN 201410455524 A CN201410455524 A CN 201410455524A CN 105464043 A CN105464043 A CN 105464043A
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- buoyancy aid
- harbour
- guide pile
- buoyancy
- aid guide
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Abstract
A floating body wharf comprises a wharf body and floating body positioning piles. The floating body positioning piles are connected with the wharf body and used for supporting the wharf body. An accommodating space is formed in the wharf body. Each wharf body positioning pile comprises a connecting column and a buoyancy compartment, wherein the buoyancy compartment is provided with a first sealed cavity and connected with the top of the connecting column. The displacement of the floating body wharf is not smaller than the total weight of the floating body wharf, and when the floating body wharf works in the ocean, the displacement of the floating body wharf is not smaller than the total weight of the floating body wharf. When the floating body wharf works in the ocean, the floating body positioning piles can achieve balance in the direction perpendicular to the sea level and float in the ocean by means of balance between buoyancy generated by the buoyancy compartments and the gravity of the piles, and therefore the floating body wharf can be used in a deep sea area without being affected by the depth of the ocean.
Description
Technical field
The present invention relates to marine structure engineering field, be specifically related to a kind of buoyancy aid harbour.
Background technology
The harbour of prior art is built by the mode of filling out sea usually, can only be built in by juxtaterrestrial region, or the marine site that the depth of water is more shallow.For region, deep-sea, then cannot build harbour, at the ships of deep-sea regional work, submarine or aircraft owing to not having anchor point, can only return to land when fuel is about to use up, cruise-ability is not high.
Such as China South Sea, marine site is broad, guards a little but very rare.Picture, in Nansha waters, in the region having reef, still can keep watch strong point by piling up concrete method to build; For the region not having reef, such as, vast marine site near Zengmu Reef, can only cruise with warship, and cannot garrison, affect the working control of China to these marine sites.In addition, China land is far away apart from these marine sites, if warship cruises from military base, Haikou, about five or six thousand kilometers of the voyage of a time of cruising along nine sections of lines (China at South China Sea state boundary), needs about 5 days consuming time under the Eco-power speed of a ship or plane.This mode of taking an oath sovereignty to cruise greatly consumes human and material resources and produces little effect.
If there is a kind of harbour that can be used for region, deep-sea, then can solve the problem well.
Summary of the invention
The problem that the present invention solves is that prior art cannot provide a kind of harbour that can be used for region, deep-sea.
For solving the problem, the invention provides a kind of buoyancy aid harbour, comprising:
Harbour body;
Buoyancy aid guide pile, described buoyancy aid guide pile is connected with described harbour body near the position at top, for supporting described harbour body;
Described buoyancy aid guide pile comprises joint pin and buoyancy compartment, and described buoyancy compartment has the first closed cavity, and described buoyancy compartment is connected with the top of described joint pin;
The displacement of described buoyancy aid harbour is not less than the gross mass of described buoyancy aid harbour; When described buoyancy aid harbour works in ocean, the center of gravity of described buoyancy aid harbour be positioned at b.s.l. and center of gravity lower than centre of buoyancy.
Optionally, when described buoyancy aid harbour works in ocean, the described center of gravity of buoyancy aid harbour and the distance on sea level are greater than 8 meters.
Optionally, described buoyancy aid guide pile has centre of buoyancy and center of gravity, and the centre of buoyancy of described buoyancy aid guide pile is positioned at described buoyancy compartment and higher than the center of gravity of described buoyancy aid guide pile.
Optionally, the distance between the centre of buoyancy of described buoyancy aid guide pile and the center of gravity of described buoyancy aid guide pile is not less than 8 meters;
The gross mass of described buoyancy aid guide pile is not less than 50 tons.
Optionally, described buoyancy aid harbour allows the tilt angle ranges produced to be 0.1 ~ 0.5 degree under external physical force effect.
Optionally, be filled with density in the first cavity of described buoyancy compartment and be less than water and the material do not absorbed water.
Optionally, described buoyancy aid guide pile also comprises the deposit cabin between described buoyancy compartment and described joint pin, and described deposit cabin is connected with described buoyancy compartment and described joint pin;
Described deposit cabin has the second cavity, described second cavity can be used in filling ballast using increase described buoyancy aid guide pile quality or can as a closed cavity to increase the displacement of described buoyancy aid guide pile.
Optionally, described buoyancy aid guide pile also comprises ballast tank, is connected with the other end of described joint pin, and described ballast tank is for loading ballast.
Optionally, the sidewall of described ballast tank has through hole, described ballast tank is communicated with seawater by described through hole.
Optionally, described buoyancy aid guide pile also comprises passage, and one end of described passage extend out to more than sea level, and the other end is communicated with described ballast tank;
Ballast can be loaded in described ballast tank by described passage.
Optionally, described buoyancy aid guide pile also comprises truss, and the remainder of described buoyancy aid guide pile between the top and bottom of described buoyancy aid guide pile, and is divided into two parts by described truss along its length;
When described buoyancy aid harbour works in ocean, described truss is positioned at described buoyancy aid guide pile and goes up the position corresponding with ocean current along its length, and energy by ocean current passes in described truss;
The center of gravity of described buoyancy aid harbour is not in described truss.
Optionally, the length of described truss is not less than the degree of depth of ocean current.
Optionally, the outer peripheral face of described joint pin is provided with the first resistance piece, for when described buoyancy aid guide pile tilts, increase seawater to the resistance of described buoyancy aid guide pile.
Optionally, described first resistance piece has multiple, and multiple first resistance piece circumferentially interval is arranged.
Optionally, the outer peripheral face of described joint pin is provided with the second resistance piece, for when described buoyancy aid guide pile moves along the length direction of described joint pin, increases seawater to the resistance of described buoyancy aid guide pile.
Optionally, described second resistance piece has multiple, and multiple second resistance piece is arranged along the length direction interval of described joint pin.
Optionally, described first resistance piece, described second resistance piece are all in tabular, and the first resistance piece is parallel with the length direction of described joint pin, and described first resistance piece is mutually vertical with the second resistance piece.
Optionally, the described harbour body opening that there is spatial accommodation and communicate with described spatial accommodation.
Optionally, described opening is positioned at the bottom of described harbour body.
Optionally, described harbour body has at least two, and two harbour body intervals are arranged;
Also comprise masking tape, cover the interval between harbour body described in two.
Optionally, described buoyancy aid guide pile to be connected with described two harbour bodies between two harbour bodies.
Compared with prior art, technical scheme of the present invention has the following advantages:
Buoyancy aid harbour comprises harbour body and buoyancy aid guide pile, when working in ocean, balance between the buoyancy that buoyancy aid guide pile utilizes buoyancy compartment to produce and self gravitation, can balance be realized in the direction perpendicular to sea level and float in ocean, make buoyancy aid harbour by the impact of ocean depth, region, deep-sea can not be can be used for.
Accompanying drawing explanation
Fig. 1 is the structural representation of buoyancy aid harbour along side-looking direction of the embodiment of the present invention;
Fig. 2 is that the buoyancy aid harbour of the embodiment of the present invention is along the structural representation overlooking direction;
Fig. 3 is that the buoyancy aid harbour of the embodiment of the present invention is along the structural representation looking up direction;
Fig. 4 be in the buoyancy aid harbour of the embodiment of the present invention buoyancy aid guide pile along the structural representation in side-looking direction;
Fig. 5 be the buoyancy aid guide pile of embodiment of the present invention buoyancy aid harbour when ballast tank is unloaded, the view in ocean;
Fig. 6 is in the buoyancy aid guide pile of embodiment of the present invention buoyancy aid harbour, supposes force analysis figure during inclination 0.1 degree;
Fig. 7 be the buoyancy aid guide pile of embodiment of the present invention buoyancy aid harbour at ballast tank full load, the view in ocean;
Fig. 8 is that in the buoyancy aid harbour of embodiment of the present invention variation, buoyancy aid guide pile is along the structural representation in side-looking direction;
Fig. 9 is in the buoyancy aid guide pile of embodiment of the present invention buoyancy aid harbour, the perspective view of truss;
Figure 10 is the cross-sectional view along A-A ' direction in Fig. 4.
Detailed description of the invention
For enabling above-mentioned purpose of the present invention, feature and advantage more become apparent, and are described in detail specific embodiments of the invention below in conjunction with accompanying drawing.
The embodiment of the present invention provides a kind of buoyancy aid harbour, with reference to Fig. 1-3, and the buoyancy aid guide pile 100 comprising harbour body 200 and be connected with harbour body 200.Buoyancy aid guide pile 100 is connected with harbour body 200, for supporting harbour body 200 in the position near top.Wherein, buoyancy aid guide pile 100 can be positioned at harbour body 200 along the bottom perpendicular to direction, sea level, also can be positioned at harbour body 200 along the side being parallel to direction, sea level.
Terminological interpretation: " buoyancy aid ", refers to and can suspend in water to sink, but the object that also can not drift about; " buoyancy aid " is different from " drift body ", and " drift body " refers to and float on the water surface, and can with the object of External Force Acting drift.Therefore, the buoyancy aid harbour in the present embodiment, and buoyancy aid guide pile, refer to respectively and can suspend in water to sink but harbour, the guide pile that also can not drift about.
During use, first, in order to enable buoyancy aid harbour be suspended in ocean, requiring that the displacement of buoyancy aid harbour is not less than the gross mass of buoyancy aid harbour, making buoyancy aid harbour that enough buoyancy can be had to make it overcome the effect of gravity, and can not seabed be sunk to.Wherein, the displacement of buoyancy aid harbour, refers to the quality of the water arranged when buoyancy aid harbour is immersed in ocean completely.In the present embodiment, quality and displacement all represent (1 ton=1000 kilograms) with tonnage t.
Secondly, when buoyancy aid harbour is suspended in after in ocean, in order to enable buoyancy aid harbour at external physical force (such as sea wind-force, the active force etc. of wave) effect under do not drift about and do not tumble, also should meet: when buoyancy aid harbour works in ocean, the center of gravity of buoyancy aid harbour should be positioned at b.s.l. and meet the centre of buoyancy of center of gravity lower than buoyancy aid harbour of buoyancy aid harbour.
Wherein, the center of gravity of buoyancy aid harbour is positioned at b.s.l., is in order to avoid sea wind-force directly acts on the center of gravity of buoyancy aid harbour, makes it drift about.In addition, when wind-force, wave etc. act on buoyancy aid harbour, the centre of buoyancy of buoyancy aid harbour becomes its balance fulcrum, the centre of buoyancy of center of gravity lower than buoyancy aid harbour of buoyancy aid harbour is set, being the impact in order to enable its gravity resist wind-force and wave, ensureing the stability of buoyancy aid harbour, preventing it from tumbling.
When sea is subject to wind-force effect, surface seawater athletic meeting forms wave, and in order to avoid wave effect makes buoyancy aid harbour drift about with wave to the center of gravity of buoyancy aid harbour, the center of gravity of buoyancy aid harbour will lower than the wave degree of depth.In reality, the wind-force in overhead, sea level can only affect surface seawater, and when wind-force is maximum, the surface seawater degree of depth that it can affect generally is no more than 10 meters, and the wave size that different marine sites can be formed is also different.Therefore, according to different application marine sites, the whole center of gravity of buoyancy aid harbour can be designed and the distance on sea level is greater than 8 meters, further, 10 meters can be greater than, in actual job, can according to the position of centre of gravity of the situation determination buoyancy aid harbour of the actual conditions wave degree of depth.
In addition, also can select, at the wave degree of depth comparatively neritic zone application buoyancy aid harbour, such as can select this buoyancy aid of marine usage harbour of seawater geo-stationary, to make it be not easy to be subject to the impact of seawater movement as far as possible.
In order to buoyancy aid harbour can be made to be suspended in ocean, the present embodiment adopts buoyancy aid guide pile 100 to support harbour body 200.
Lower mask body introduces the structure of buoyancy aid guide pile 100:
With reference to Fig. 1 composition graphs 4, buoyancy aid guide pile 100 comprises joint pin 110 and buoyancy compartment 120, and buoyancy compartment 120 is connected with the top of joint pin 110.In the present embodiment, joint pin 110 uniform quality along its length, even intensity.
Buoyancy aid guide pile 100 has top a and bottom b, and top a is positioned at buoyancy compartment 120 one end opposing with joint pin 110, and bottom b is positioned at buoyancy aid guide pile 100 one end away from top a.
In the present embodiment, buoyancy compartment 120 is connected with harbour body 200.In other embodiments, buoyancy aid guide pile 100 also can be connected with harbour body 200 position outside buoyancy compartment 120, but this link position should be positioned at the position of buoyancy aid guide pile 100 near top a.
With reference to Fig. 4, buoyancy compartment 120 has the first closed cavity 121.Identical with the suspension theory of buoyancy aid harbour, the displacement of buoyancy compartment 120 is not less than the gross mass of buoyancy aid guide pile 100, makes buoyancy aid guide pile 100 that enough buoyancy can be had to make it overcome the effect of gravity, and can not sink to seabed.Wherein, the displacement of buoyancy compartment 120 and buoyancy compartment 120 immerse the quality of the water arranged in seawater completely, when buoyancy aid guide pile 100 is arranged in seawater, actual displacement (the actual quality arranging water) is not more than the displacement of buoyancy compartment 120, and suffered buoyancy can keep balancing with gravity, makes buoyancy aid guide pile 100 can suspend in the seawater.
Wherein, the load capacity of buoyancy aid guide pile 100 (namely tie harbour body 200, make it be suspended in ability in ocean) is relevant with the displacement of buoyancy compartment 120, and the displacement of buoyancy compartment 120 is larger, then the load capacity of buoyancy aid guide pile 100 is stronger.
With reference to Fig. 4, when buoyancy aid guide pile 100 works in the seawater, there is centre of buoyancy M and center of gravity G, centre of buoyancy M in buoyancy compartment 120, center of gravity G between centre of buoyancy M and bottom b, namely center of gravity G is lower than centre of buoyancy M.Principle is identical with above-mentioned buoyancy aid harbour.
When being positioned in ocean, the buoyancy that joint pin 110 is subject to is negligible compared with buoyancy compartment 120, therefore here using the centre of buoyancy of the centre of buoyancy of buoyancy compartment 120 as whole buoyancy aid guide pile 100.
Attention: the center of gravity G of buoyancy aid guide pile 100 only refers to the center of gravity of buoyancy aid guide pile 100 itself be different from the center of gravity of buoyancy aid harbour.
When buoyancy aid guide pile 100 works in ocean, in vertical state under the effect of gravity and buoyancy, namely when without wave or without ocean current, buoyancy aid guide pile 100 is substantially vertical with sea level S.In order to the impact of resisting sea wind-force and wave etc. is not tumbled to realize stable suspersion, the distance (hereinafter referred to as centre of buoyancy distance) between the centre of buoyancy M of buoyancy aid guide pile 100 and center of gravity G is not less than 8 meters; In addition, buoyancy aid guide pile 100 must have enough quality to stablize, and the gross mass therefore arranging buoyancy aid guide pile 100 is not less than 50 tons.
If the above-mentioned condition of demand fulfillment, namely the quality requirement of buoyancy aid guide pile 100, centre of buoyancy is met apart from requiring, generally, the entire length of buoyancy aid guide pile 100 generally can not be less than 50 meters, and the ratio that joint pin 110 accounts for the gross mass of buoyancy aid guide pile 100 is not less than 1/3, the ratio that the quality of buoyancy compartment 120 accounts for the gross mass of buoyancy aid guide pile 100 is no more than 1/2.
The shape of buoyancy compartment 120 can be cube shaped, cuboid.As previously mentioned, the displacement of buoyancy compartment 120 is large as best one can, and the centre of buoyancy M of buoyancy aid guide pile 100 will as far as possible away from its center of gravity G, and centre of buoyancy M is generally the geometric center that buoyancy compartment 120 is immersed in part in water.Therefore, under the condition that displacement is identical, the structure of buoyancy compartment 120 is preferably rectangular structure, and its cross section (cross section perpendicular to joint pin length direction) is square, now the position of centre of buoyancy M distance buoyancy compartment 120 bottom is the highest, and the distance of centre of buoyancy M and center of gravity G is maximum.
Further, full quality light (density is less than water) can be filled and the material do not absorbed water in first cavity 121 of buoyancy compartment 120, can avoid like this buoyancy compartment 120 be corroded or outside destroy time, avoid seawater or other materials to enter the first cavity 121, ensure the function of buoyancy compartment 120.Gently and the material do not absorbed water can be such as polyvinyl chloride, foam etc. organic material, its quality is negligible relative to buoyancy aid guide pile 100 for quality.
Further, continue with reference to Fig. 4, buoyancy aid guide pile 100 also comprises ballast tank 130, is connected with joint pin 110 one end away from buoyancy compartment 120, and ballast tank 130 has a cavity 131.When buoyancy aid guide pile 100 works in ocean, the cavity 131 of ballast tank 130 is communicated with seawater.
Can the larger ballast of filling quality in ballast tank 130, for increasing the quality of whole buoyancy aid guide pile 100, make the center of gravity G of buoyancy aid guide pile 100 further from buoyancy compartment 120, simultaneously when equal quality requires, reduce the length of buoyancy aid guide pile 100.Like this when the length of joint pin 110 does not need to arrange very long, also can increase centre of buoyancy distance, from realizing buoyancy aid guide pile 100 stable suspersion in the seawater.
The sidewall of ballast tank 130 can also be provided with through hole (mark), the quantity of through hole is too much unsuitable, general one to two, and the size of through hole is also unsuitable excessive, as long as seawater can be made to enter the cavity 131 of ballast tank 130 smoothly.
Wherein, through hole can also adopt seal (not shown) to seal, to isolate cavity 131 and the external world, like this in deepwater transportation, ballast tank 130 can seal, and now, the cavity 131 of ballast tank 130 is not communicated with seawater, it, as the gas chamber of a sealing, can play the effect of buoyancy compartment.That is, when ballast tank 130 seals, the two ends of buoyancy aid guide pile 100 are all by the effect float downward at buoyancy, the part be immersed in seawater is relatively less, the seawater resistance that buoyancy aid guide pile 100 so is now subject to when moving is also relatively little, thus the modes such as ship tows can be utilized relatively easily whole buoyancy aid guide pile 100 to be transported to appointment marine site, be convenient to transport.After transporting to appointment marine site, then the through hole of ballast tank 130 can be opened, seawater enters ballast tank 130, the one end making buoyancy aid guide pile 100 have ballast tank 130 slowly sinks under gravity, the one end with buoyancy compartment 120 then floats on sea, finally reaches buoyancy aid guide pile 100 and is substantially erected in state in ocean.
The shape of ballast tank 130 can be square or cylindrical, and the volume of ballast tank 130 can be less than or be greater than buoyancy compartment 120, and consider from cost angle, the volume that the present embodiment arranges ballast tank 130 is less than buoyancy compartment 120.
In the present embodiment, according to the volume to ballast tank 130, material and movement requirement, arrange: when ballast tank 130 is unloaded, the ratio that the quality of ballast tank 130 accounts for whole buoyancy aid guide pile 100 quality is not less than 1/4, but be not more than 1/3, ballast tank 130 is greater than 2/3 of whole buoyancy aid guide pile 100 quality, to drag down the center of gravity G of buoyancy aid guide pile 100 under no-load condition as far as possible with the quality sum of joint pin 110; Ballast tank 130 full load, ballast tank 130 accounts for the proportion of the quality of whole buoyancy aid guide pile 100 more than 1/2, to drag down the center of gravity G of buoyancy aid guide pile 100 under full load conditions further with the quality sum of ballast.
Buoyancy aid guide pile 100 can be steel work or reinforced concrete structure.Wherein for the buoyancy aid guide pile 100 of steel work, after can having manufactured on land, by sea transport to specifying marine site; And for the buoyancy aid guide pile 100 of reinforced concrete structure, because its structure and quality are all very huge, sea transport difficulty, then can complete construction by cast in situs across the sea.
In order to make buoyancy aid harbour can be suspended in ocean, first should ensure that buoyancy aid guide pile 100 is suspended in ocean.When buoyancy aid guide pile 100 works in ocean, the displacement of buoyancy compartment 120 is larger, the quality of buoyancy aid guide pile 100 is larger and the centre of buoyancy of buoyancy aid guide pile 100 distance is larger, then the angle of slope produced under external physical force effect is less, more stable in ocean.Therefore can according to the stability requirement in embody rule occasion, design changes the parameter of buoyancy aid guide pile 100, makes buoyancy aid guide pile 100 self under external physical force effect, allow the tilt angle ranges produced to be 0.1 ~ 0.5 degree.
In the present embodiment, if buoyancy aid guide pile 100 is steel work, the displacement of buoyancy compartment 120 can be greater than 200t.If buoyancy aid guide pile 100 is reinforced concrete structure, affect by material and manufacturing process, the physical dimension of whole buoyancy aid guide pile 100 all can be larger, and the total displacement that now can arrange buoyancy compartment 120 is greater than 5000t.
The operating principle of the buoyancy aid guide pile 100 of the embodiment of the present invention is as follows:
The active force of ocean current to buoyancy aid guide pile 100 is ignored in the present embodiment; because the motion of ocean current slowly; less to the active force of buoyancy aid guide pile 100; and the position of centre of gravity of buoyancy aid guide pile 100 avoids ocean current; therefore the power that applies buoyancy aid guide pile 100 of ocean current is relative to negligible wind-force, only considers the wind-force that sea is formed here.
Generally, the wind-force on sea is maximum only can reach 1t/m
2, during every square metre of arrival 1t, people will be blown to and go in the air, and the wind-force being greater than every square metre of 1t is little.
Continue with reference to Fig. 5, when buoyancy aid guide pile 100 not by wind effect time, it, perpendicular to sea level S, is in original state.
When buoyancy aid guide pile 100 is subject to wind-force effect, wind-force will produce heeling moment to buoyancy aid guide pile 100, and according to Ship Statics, the gravity of buoyancy aid guide pile 100 self will produce righting moment to buoyancy aid guide pile 100; In addition, the part that buoyancy aid guide pile 100 is under water also will be subject to the drag effect of seawater, and this resistance will produce resistance torque to buoyancy aid guide pile 100.Wherein, centre of buoyancy M is then the balance fulcrum of each moment above-mentioned, if buoyancy aid guide pile 100 run-off the straight, then its center of rotation is centre of buoyancy M.If make the angle of the inclination of buoyancy aid guide pile 100 larger, then the wind-force needed is larger.
According to lever principle, buoyancy aid guide pile 100 is with centre of buoyancy M for fulcrum, and its righting moment and resistance torque all can resist heeling moment, when 100 run-off the straight of buoyancy aid guide pile, impels buoyancy aid guide pile 100 to return back to reset condition.If righting moment and resistance torque sum are greater than heeling moment, then buoyancy aid guide pile 100 can not run-off the straight, thus can realize stably being suspended in ocean.
Lower surface analysis under wind-force effect, the force-bearing situation of buoyancy aid guide pile 100.With reference to Fig. 5-6, be exposed to the part of sea level more than S in wind-force effect to buoyancy aid guide pile 100, the center of definition wind-force effect is wind-force center P, and the centre of draft of seawater eroding on buoyancy aid guide pile 100 is W.
When only considering wind-force effect, suppose that buoyancy aid guide pile 100 tilts 0.1 ° (angle), it is subject to the active force of resistance (only considering the seawater resistance of centre of buoyancy to base section here) three aspects of wind-force, gravity and seawater, and concrete force analysis as shown in Figure 6.Note: in the present embodiment, each power suffered by buoyancy aid guide pile 100 is with " ton every square metre (t/m
2) " be unit.
Suppose under wind-force effect, 0.1 degree, buoyancy aid guide pile 100 angle of inclination, then:
The heeling moment T that wind-force produces
pbe about:
T
p＝F
P·BC·H
1
Wherein: F
pfor buoyancy aid guide pile 100 to be exposed in the part on more than sea level, wind-force suffered by every square metre, B is wind area, and C is streamline coefficient (C=0.5), H
1for acting on the distance of the centre of buoyancy M of the wind-force center P distance buoyancy aid guide pile 100 on buoyancy aid guide pile 100.
The righting moment T that gravity produces
gbe about:
T
G＝F
G·H
2·Sin0.1°
Wherein, F
gfor the gravity that buoyancy aid guide pile 100 is subject to, H
2for the distance of the centre of buoyancy M of the center of gravity G distance buoyancy aid guide pile 100 of buoyancy aid guide pile 100.
Seawater resistance F
wthe resistance torque produced is defined as T
w, simplify example as one, resistance torque T
wfollowing formulae discovery can be adopted:
T
W＝ρ·V·T·H
3
Wherein ρ is density of sea water, V be buoyancy aid guide pile 100 tilt 0.1 degree time the volume (considering the volume of the water that centre of buoyancy M to the bottom b part of buoyancy aid guide pile 100 arranges herein) of water that arranges, H
3for the distance of the centre of draft W to the centre of buoyancy M of buoyancy aid guide pile 100 of seawater eroding on buoyancy aid guide pile 100, T is seawater resistance coefficient.
When only considering gravity, if wind-force can make buoyancy aid guide pile 100 tilt 0.1 degree, so wind-force moment at least can overcome righting moment, at least should meet T
p>T
g, that is:
F
pbCH
1>F
gh
2sin0.1 ° (formula one)
In formula one, in order to increase safety factor, save C herein.
When only considering seawater resistance, if wind-force can make buoyancy aid guide pile 100 tilt 0.1 degree, so wind-force moment at least can overcome resistance torque, at least should meet T
p>T
w, that is:
F
pbCH
1> ρ VTH
3(formula two)
When considering gravity and seawater resistance, in the present embodiment, if buoyancy aid guide pile 100 tilts 0.1 degree, then the wind-force needed is demand fulfillment T at least
p>T
g+ T
w, namely
F
pbCH
1>F
gh
2sin0.1 ° of+ρ VTH
3(formula three)
Suppose that buoyancy aid guide pile 100 is for steel work, the parameters of buoyancy aid guide pile 100 is as follows: the distance (i.e. the length of buoyancy aid guide pile 100) of top a to bottom b is 51m; The gross mass of buoyancy aid guide pile 100 is about 60t; The cross section of joint pin 110, ballast tank 130 and buoyancy compartment 120 is square, joint pin 110 is set to the cylinder of transversal face width 3m, high 38m, buoyancy compartment 120 is set to the cylinder of transversal face width 5m, high 11m, and ballast tank 130 is set to transversal face width 4m, the cylinder of high 2m; Buoyancy compartment 120, joint pin 110, ballast tank 130 are all made with the steel of same size.
When ballast tank 130 is unloaded, with reference to Fig. 5, be positioned in seawater by the buoyancy aid guide pile 100 with above-mentioned size, obtain buoyancy aid guide pile 100 draft and be about 43m, buoyancy compartment 120 is exposed to sea level more than S and is highly about 8m, wind area B=40m
2; The height of center of gravity G distance bottom b is about 32.5m; The height of centre of buoyancy M distance bottom b is 41.5m, and the height of seawater centre of draft W distance bottom b is about 14.3m.Then:
H
1＝5.5m，H
2＝8.5m，H
3＝27.2m；
In addition, when 50 meters of dark buoyancy aid guide piles 100 all submergence in the seawater time, suffered average sea resistance is equivalent to 2.5 atmospheric pressure, and namely seawater resistance coefficient is 2.5.Here T=2 is got.
Parameters is substituted into formula three, then obtain F
p>2.41t/m
2>1t/m
2(wind-force that sea can produce).
When considering gravity and seawater resistance, if buoyancy aid guide pile 100 tilts 0.1 degree, then the wind-force needed is greater than the wind-force that sea can produce.Therefore, when wind-force effect in the unloaded state, only considered by buoyancy aid guide pile 100, stable position can be realized.
Because centre of buoyancy M is the geometric center that buoyancy compartment 120 to be immersed in water part, and wind-force center P to be buoyancy compartment 120 be exposed to sea level with the geometric center of upper part, then the distance of wind-force center P and centre of buoyancy M constant, be always buoyancy compartment 120 highly 1/2.If the volume that buoyancy compartment 120 is immersed in part in water is larger, the geometric center being then immersed in part in water is higher apart from the position bottom buoyancy compartment 120, distance bottom the positional distance buoyancy compartment 120 of namely centre of buoyancy M is larger, causes the distance of centre of buoyancy M and center of gravity G larger.
As previously mentioned, ballast tank 130 can by adding loads to buoyancy aid guide pile 100 further weightening finish thus more stable under making its duty.When ballast tank 130 full load, the gross mass of buoyancy aid guide pile 100 can reach about 8000t.As Fig. 7, now the draft of buoyancy aid guide pile 100 increases, and the height that buoyancy compartment 120 is exposed to sea level more than S reduces, and wind area B reduces; Center of gravity G reduces, the distance H of centre of buoyancy M and center of gravity G
2increase.
Full load, the volume being immersed in water part due to buoyancy compartment 120 increases, therefore buoyancy compartment 120 be immersed in the geometric center of part in water more unloaded time rise to some extent, then rise when centre of buoyancy M is more unloaded, make the distance H of center of gravity G and centre of buoyancy M
2further increase.In addition, the volume being immersed in part in water due to buoyancy aid guide pile 100 increases, the distance H of seawater centre of draft W and centre of buoyancy M
3also increase.And the distance H of wind-force center and centre of buoyancy in whole buoyancy aid guide pile 100
1constant.
In conjunction with formula three, can draw, under ballast tank 130 full load conditions, if buoyancy aid guide pile 100 will be made to tilt 0.1 degree, the wind-force F of needs
plarger, the wind-force that is sea can produce is more difficult makes buoyancy aid guide pile 100 run-off the straight, and buoyancy aid guide pile 100 is more stable at full load.
Therefore, if when considering to act on buoyancy aid guide pile 100 external physical force, need to take wave, ocean current and other active forces into consideration, wish that buoyancy aid guide pile 100 still can ensure its stability when above-mentioned all external physical force actings in conjunction, when the size constancy of buoyancy aid guide pile 100, then can by increasing ballast to realize in buoyancy aid guide pile 100.
According to actual conditions, the gross mass of buoyancy aid guide pile can be other values, but should be not less than 5000t; The length of buoyancy aid guide pile can be greater than 50 meters, specifically can determine according to appointment the sea water advanced of marine site.
In buoyancy aid harbour, harbour body 200 tied by buoyancy aid guide pile 100, and the wind area of harbour body 200 is general comparatively large and be greater than the wind area of buoyancy aid guide pile 100, and the heeling moment causing buoyancy aid guide pile 100 to be subject to increases.Therefore, when reality uses, need the parameter that buoyancy aid guide pile 100 is rationally set to meet stable requirement of tiing harbour body 200, ensure the stability of buoyancy aid harbour.
In the present embodiment, the profile of every harbour body 200 is cuboid, being about 150m, being widely about 30 meters of this cuboid, and height is about 20 meters, and harbour body 200 is made up of the material of steel concrete, and the displacement of every harbour body 200 is about 50,000 tons.When it uses in ocean, the draft of demand fulfillment harbour body 200 is about 5 meters, and the height exposing sea level is about 15m, and harbour body 200 is suspended in ocean.
The quantity of harbour body 200 can be arranged as required, can be one, also can be many.Exemplarily, it is two that this enforcement arranges harbour body 200, and two harbour body 200 intervals arrange and are parallel to each other, and buoyancy aid guide pile 100 is between two harbour bodies 200 and be connected with two harbour bodies 200 in the position near top.That is, buoyancy aid guide pile 100 is positioned at harbour body 200 along the side being parallel to direction, sea level, and is located between two harbour bodies 200.
When two harbour bodies 200 with above-mentioned size are arranged side by side, in order to ensure the running of buoyancy aid harbour, when buoyancy aid harbour works in ocean, the maximum magnitude being required to meet the angle of slope produced under external physical force effect is 0.1 ~ 0.5 degree, then need the buoyancy aid guide pile 100 of the steel work with two 6000 tonnes (quality of every root buoyancy aid guide pile is 6000 tons) to support.Whole buoyancy aid harbour gross mass reach 114000 tons.
Wherein, the buoyancy compartment 120 of buoyancy aid guide pile 100, joint pin 110 are all set to cross section (cross section perpendicular to joint pin length direction) is foursquare cylinder.Wherein the cross-sectional width of buoyancy compartment 120 is 15m, is highly 42m; The cross-sectional width of joint pin 110 is 10 meters, and height is 130 meters; The cross-sectional width of ballast tank 130 12 meters, high 15m, the proportion of the ballast that can load in ballast tank 130 is 6.0.Bottom whole buoyancy aid guide pile 100, the distance of b to top a is 177m.
To be positioned in ocean when above-mentioned buoyancy aid harbour and ballast tank 130 is fully loaded with, H
1≈ 22m, H
2≈ 51m, H
3≈ 100m, B ≈ 5000m
2.Wherein, harbour body 200 is exposed to the side wind surface of sea upper part, and now the wind surface of buoyancy aid guide pile 100 is overlapping with harbour body 200, therefore only considers the wind area of harbour body 200.
Above-mentioned parameter is substituted into formula three, then draw, F
p>1.455t/m
2>1t/m
2.Therefore buoyancy aid harbour can stably be suspended in ocean.
In other embodiments, if the size of buoyancy aid guide pile is less, then can increase the quantity of the buoyancy aid guide pile for supporting harbour body to ensure the stability of buoyancy aid harbour.
In other embodiments, if the structure of harbour body comparatively the present embodiment is larger, quality is heavier, then stricter to the stability requirement of buoyancy aid guide pile, in order to stable position, the stability of buoyancy aid harbour can be strengthened on the one hand by the parameter changing buoyancy aid guide pile, such as, can increase the quality etc. of ballast in buoyancy compartment displacement, the length increasing joint pin and quality, increase ballast tank; The stability of buoyancy aid harbour equally also can be strengthened on the other hand by the quantity increased for the buoyancy aid guide pile supporting harbour body.
In a word, the parameter of buoyancy aid guide pile 100 and quantity can adjust according to the size of harbour body 200, to make buoyancy aid harbour stably be suspended in ocean, and drift or knockdown can not occur.
To sum up, the buoyancy aid harbour in the present embodiment utilizes the inside-connecting relation of buoyancy and the gravity be subject in ocean, realizes the location of buoyancy aid harbour in ocean and fixing effect and object, and buoyancy aid harbour need not can realize fixingly not drifting about or only having fine motion by locking bolt; Relative to the harbour of prior art, be not limited only to build on land or neritic province domain, also do not need to fill out sea, to sea bed fanout free region.
Continuing with reference to Fig. 4, in buoyancy aid guide pile 100, in order to fill ballast in ballast tank 130, in buoyancy aid guide pile 100, being provided with passage 140 (in Fig. 4 shown in dotted line).
In the present embodiment, passage 140 is positioned at joint pin 110, extends along the length direction of joint pin 110, and runs through joint pin 110 and buoyancy compartment 120, and passage 140 is as the path of filling ballast to ballast tank 130.When buoyancy aid guide pile 100 works in the seawater, sea level S is stretched out on the top of passage 140, bottom is communicated with seawater with the through hole of ballast tank 130.It should be noted that passage 140 is not communicated with the first cavity 121 of buoyancy compartment 120.Wherein, the material that ballast can be stone, iron block isodensity is larger, consider iron block easily by seawater corrosion, stone is better.
In other embodiments, it is outside that passage also can be arranged at buoyancy aid guide pile, as long as the one end that can meet passage is communicated with ballast tank, the other end stretches out the water surface using as the entrance of filling ballast, can reach object of the present invention.
In other embodiments, if joint pin size is in the width direction comparatively large, such as, for the buoyancy aid guide pile of Reinforced Concrete Materials, then the size in the width direction of passage can be arranged comparatively large and do not run through the bottom of joint pin, as Fig. 8.Now can directly using the part of passage bottom buoyancy aid guide pile as ballast tank, and do not need to arrange ballast tank in addition.Now through hole can be opened in the bottom of joint pin, be in communication with the outside by through hole to make passage.
Further, continue with reference to Fig. 4, buoyancy aid guide pile 100 can also comprise deposit cabin 150, is fixedly connected between buoyancy compartment 120 and joint pin 110.Deposit cabin 150 has the second cavity 151.
When the displacement of buoyancy compartment 120 is enough large or tie when the harbour body 200 of buoyancy aid guide pile 100 is less, now buoyancy aid guide pile 100 floats relatively, so can fill ballast in deposit cabin 150, the part of joint pin is served as in deposit cabin 150, for increasing the quality of buoyancy aid guide pile 100 to improve the stability of buoyancy aid guide pile 100.
When tiing when the harbour body 200 of buoyancy aid guide pile 100 is larger, now buoyancy aid guide pile 100 will sink further, so likely need the displacement strengthening buoyancy compartment 120 to increase load capacity, if the displacement of buoyancy compartment 120 self is inadequate, so the ballast in deposit cabin 150 can be discharged, and make the second cavity 151 be in closed state, be isolated from the outside, a part for buoyancy compartment can be served as in such deposit cabin 150, for the displacement of auxiliary increase buoyancy compartment, improve the load capacity of buoyancy aid guide pile 100.Visible, by arranging deposit cabin 150, can the floating of buoyancy aid guide pile 100 and sinking be controlled flexibly according to actual conditions thus control the load capacity of buoyancy aid guide pile 100.Wherein the ballast laid in cabin 150 can be seawater.
Further, if specify marine site to there is ocean current, so consider the impact of ocean current, truss 160 can be set in buoyancy aid guide pile 100, truss 160 needs to be arranged on buoyancy aid guide pile 100 and goes up the position corresponding with specifying the ocean current degree of depth in marine site along its length, and other structures of buoyancy aid guide pile 100 are separated, ocean current can be allowed to make buoyancy aid guide pile 100 to pass through in the position corresponding with the ocean current degree of depth.Such as: truss 160 can be connected between deposit cabin 150 and joint pin 110, or between buoyancy compartment 120 and deposit cabin 150, or be connected between ballast tank 130 and joint pin 110, or joint pin 110 be separated into two sections along its length and be connected between two sections of joint pins.It is noted that then truss 160 can between buoyancy compartment 120 and joint pin 110 when buoyancy aid guide pile 100 is not provided with deposit cabin 150.
Truss 160 is set in the present embodiment between deposit cabin 150 and joint pin 110, when buoyancy aid guide pile 100 works in the seawater, truss 160 is positioned at buoyancy aid guide pile 100 and goes up the position corresponding with ocean current along its length, the length of truss 160 is not less than the degree of depth of ocean current, and energy by ocean current passes in truss 160.That is, the length of truss 160 generally by specifying the ocean current degree of depth in marine site to determine, and should be not less than the ocean current degree of depth of specifying marine site.Wherein the length of truss 160 refers to the height when buoyancy aid guide pile 100 works in ocean, namely along the size of joint pin 110 length direction.
In reality, consider the actual ocean current degree of depth and manufacturing cost, the length arranging truss 160 is no more than 50 meters.When being provided with truss 160, in order to avoid the position of ocean current at buoyancy aid guide pile 100 center of gravity G impacts, buoyancy aid guide pile 100 is drifted about, and the center of gravity G of buoyancy aid guide pile 100 also should avoid ocean current, and namely truss 160 should be avoided in the position of center of gravity G.Further, the center of gravity of whole buoyancy aid harbour is also needed to avoid truss 160.
With reference to Fig. 9, truss 160 comprises many first purlin posts 161 extended along joint pin 110 length direction, there is between many first purlin posts 161 space, can pass through for ocean current, one end of every root first purlin post 161 is connected with joint pin 110, the other end and deposit cabin 150 (when nothing lays in cabin, then this end is connected with buoyancy compartment).
Connected by many second purlin posts 162, to strengthen the intensity of truss 160 between adjacent first purlin post 161.
In order to ensure can not to break under ocean current or sea beat, the intensity of the first purlin post 161, second purlin post 162 is enough high.
In other embodiments, if specify marine site there is no ocean current, then the setting of truss can be saved.
Further, with reference to Fig. 4 in conjunction with shown in Figure 10, wherein Figure 10 gives the generalized section along A-A ' direction in Fig. 4, the outer peripheral face on joint pin 110 can also be provided with multiple first resistance piece 111, and multiple first resistance piece 111 circumferentially interval is arranged.First resistance piece 111 is connected with joint pin 110, for when buoyancy aid guide pile 100 tilts, increases seawater to its resistance.
In the present embodiment, the first resistance piece 111 is parallel with the length direction of joint pin 110, and basically identical with the length of joint pin 110.Multiple first resistance piece 111 is uniformly distributed along the circumference of joint pin 110, with the drag uniform making buoyancy aid guide pile 100 be subject in all directions.
Further, on the outer peripheral face of joint pin 110, between adjacent two first resistance pieces 111, be provided with multiple second resistance piece 112, for when buoyancy aid guide pile 100 fluctuates, when namely moving along the length direction of joint pin 110, increase seawater to its resistance.
Multiple second resistance piece 112 is arranged along the length direction interval of joint pin 110, and the two ends of the second resistance piece 112 circumference are connected with the first adjacent resistance piece 111 respectively.
In the present embodiment, the first resistance piece 111, second resistance piece 112 is all in tabular, and its plate face is plane, and the second resistance piece 112 is perpendicular to the first resistance piece 111.
The quantity of the first resistance piece 111 and the second resistance piece 112 can need to arrange according to the intensity of buoyancy aid guide pile 100.In the present embodiment, first resistance piece 111 has 4, circumference along joint pin 110 is uniformly distributed, and between every two adjacent the first resistance pieces 111, along joint pin 110 length direction at interval of 4-5 rice about second resistance piece 112 is set, concrete, the interval between two adjacent second resistance pieces 112 can be about 4.75 meters.
In other embodiments, the quantity of the first resistance piece, the second resistance piece can be one, also can be other numerical value outside above-mentioned quantity, and the plate face of the first resistance piece, the second resistance piece also can be curved surface, both do not require mutually vertical, as long as have angle each other.In addition, the first resistance piece, the second resistance piece also can be other shapes beyond tabular.
In the present embodiment, have spatial accommodation in every harbour body 200, every harbour body 200 has the opening 210 (Fig. 3) communicated with its spatial accommodation.Spatial accommodation in harbour body can be used for every functions such as operation, rest, amusement, and such as can build hospital, fitness room etc., personnel, goods and materials pass in and out spatial accommodation from opening 210.Opening 210 can be located at any one position of harbour body 200.In the present embodiment, opening 210 is positioned at the bottom of harbour body 200, to ensure the disguise of personnel, goods and materials turnover.Except above-mentioned function, spatial accommodation inside can also oil in reserve and fresh water, for various boats and ships, personnel provide oil and fresh water supply.
Building, runway or other desired facility can be built in the top of harbour body 200.Large-area vegetables and fruits planting base can also be built in top, realizes the self-sufficient of provand.
Wherein, have masking tape 300 (in Fig. 2 shown in dotted portion) between two harbour bodies 200, masking tape 300 covers the interval between two harbour bodies 200, ensures the disguise of personnel, goods and materials turnover further.
The buoyancy aid harbour of the present embodiment is located in ocean, can be used for the stop of neighbouring fishing boat, warship, aircraft etc., oiling, also can as other sea experimentation bases.Such as, buoyancy aid harbour can be used as a small-sized military base, can stop the warship of one to two ton.Can stop two submarines bottom harbour body 200, submarine personnel can enter spatial accommodation inside bottom harbour body 200.
In other embodiments, the spatial accommodation of harbour body also can be closed, and now harbour body can serve as buoyancy compartment use, or harbour body interior also can not establish spatial accommodation.
In other embodiments, buoyancy aid harbour can be designed as 10 bowls tonnes, 5 bowls tonnes, the various scale such as ton, to coordinate different purposes, such as, can be used as marine salvage station, marine scientific research weather station, sea fisheries exploitation scientific research station, offshore oil development base, marine manganese nodule Development Base, marine frontier station etc.Compare and marine aircraft carrier, the buoyancy aid harbour manufacture difficulty of the present embodiment is low, cost is low, the manufacturing cycle is short, can fast and effeciently be applied to various operation on the sea.
Although the present invention discloses as above, the present invention is not defined in this.Any those skilled in the art, without departing from the spirit and scope of the present invention, all can make various changes or modifications, and therefore protection scope of the present invention should be as the criterion with claim limited range.
Claims (21)
1. a buoyancy aid harbour, is characterized in that, comprising:
Harbour body;
Buoyancy aid guide pile, described buoyancy aid guide pile is connected with described harbour body near the position at top, for supporting described harbour body;
Described buoyancy aid guide pile comprises joint pin and buoyancy compartment, and described buoyancy compartment has the first closed cavity, and described buoyancy compartment is connected with the top of described joint pin;
The displacement of described buoyancy aid harbour is not less than the gross mass of described buoyancy aid harbour; When described buoyancy aid harbour works in ocean, the center of gravity of described buoyancy aid harbour be positioned at b.s.l. and center of gravity lower than centre of buoyancy.
2. buoyancy aid harbour as claimed in claim 1, it is characterized in that, when described buoyancy aid harbour works in ocean, the described center of gravity of buoyancy aid harbour and the distance on sea level are greater than 8 meters.
3. buoyancy aid harbour as claimed in claim 1, it is characterized in that, described buoyancy aid guide pile has centre of buoyancy and center of gravity, and the centre of buoyancy of described buoyancy aid guide pile is positioned at described buoyancy compartment and higher than the center of gravity of described buoyancy aid guide pile.
4. buoyancy aid harbour as claimed in claim 3, it is characterized in that, the distance between the centre of buoyancy of described buoyancy aid guide pile and the center of gravity of described buoyancy aid guide pile is not less than 8 meters;
The gross mass of described buoyancy aid guide pile is not less than 50 tons.
5. buoyancy aid harbour as claimed in claim 4, is characterized in that, described buoyancy aid harbour allows the tilt angle ranges produced to be 0.1 ~ 0.5 degree under external physical force effect.
6. buoyancy aid harbour as claimed in claim 1, is characterized in that, be filled with density and be less than water and the material do not absorbed water in the first cavity of described buoyancy compartment.
7. buoyancy aid harbour as claimed in claim 1, it is characterized in that, described buoyancy aid guide pile also comprises the deposit cabin between described buoyancy compartment and described joint pin, and described deposit cabin is connected with described buoyancy compartment and described joint pin;
Described deposit cabin has the second cavity, described second cavity can be used in filling ballast using increase described buoyancy aid guide pile quality or can as a closed cavity to increase the displacement of described buoyancy aid guide pile.
8. buoyancy aid harbour as claimed in claim 1, it is characterized in that, described buoyancy aid guide pile also comprises ballast tank, is connected with the other end of described joint pin, and described ballast tank is for loading ballast.
9. buoyancy aid harbour as claimed in claim 8, is characterized in that the sidewall of described ballast tank has through hole, and described ballast tank is communicated with seawater by described through hole.
10. buoyancy aid harbour as claimed in claim 9, it is characterized in that, described buoyancy aid guide pile also comprises passage, and one end of described passage extend out to more than sea level, and the other end is communicated with described ballast tank;
Ballast can be loaded in described ballast tank by described passage.
11. buoyancy aid harbours as described in any one of claim 1-10, it is characterized in that, described buoyancy aid guide pile also comprises truss, and the remainder of described buoyancy aid guide pile between the top and bottom of described buoyancy aid guide pile, and is divided into two parts by described truss along its length;
When described buoyancy aid harbour works in ocean, described truss is positioned at described buoyancy aid guide pile and goes up the position corresponding with ocean current along its length, and energy by ocean current passes in described truss;
The center of gravity of described buoyancy aid harbour is not in described truss.
12. buoyancy aid harbour as claimed in claim 11, it is characterized in that, the length of described truss is not less than the degree of depth of ocean current.
13. buoyancy aid harbours as claimed in claim 1, is characterized in that, the outer peripheral face of described joint pin is provided with the first resistance piece, for when described buoyancy aid guide pile tilts, increase seawater to the resistance of described buoyancy aid guide pile.
14. buoyancy aid harbours as claimed in claim 13, it is characterized in that, described first resistance piece has multiple, and multiple first resistance piece circumferentially interval is arranged.
15. buoyancy aid harbours as claimed in claim 13, it is characterized in that, the outer peripheral face of described joint pin is provided with the second resistance piece, for when described buoyancy aid guide pile moves along the length direction of described joint pin, increases seawater to the resistance of described buoyancy aid guide pile.
16. buoyancy aid harbours as claimed in claim 15, it is characterized in that, described second resistance piece has multiple, and multiple second resistance piece is arranged along the length direction interval of described joint pin.
17. buoyancy aid harbours as described in claim 15 or 16, it is characterized in that, described first resistance piece, described second resistance piece are all in tabular, and the first resistance piece is parallel with the length direction of described joint pin, and described first resistance piece is mutually vertical with the second resistance piece.
18. buoyancy aid harbours as claimed in claim 1, is characterized in that, the opening that described harbour body has spatial accommodation and communicates with described spatial accommodation.
19. buoyancy aid harbour as claimed in claim 18, it is characterized in that, described opening is positioned at the bottom of described harbour body.
20. buoyancy aid harbours as claimed in claim 19, it is characterized in that, described harbour body has at least two, and two harbour body intervals are arranged;
Also comprise masking tape, cover the interval between harbour body described in two.
21. buoyancy aid harbours as claimed in claim 20, is characterized in that, described buoyancy aid guide pile is between two harbour bodies and be connected with described two harbour bodies.
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| CN201410455524.XA CN105464043A (en) | 2014-09-09 | 2014-09-09 | Floating body wharf |
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| CN201410455524.XA CN105464043A (en) | 2014-09-09 | 2014-09-09 | Floating body wharf |
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