CN108547293A - A kind of embedding rock single pile plantation construction technology - Google Patents
A kind of embedding rock single pile plantation construction technology Download PDFInfo
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- CN108547293A CN108547293A CN201810184265.XA CN201810184265A CN108547293A CN 108547293 A CN108547293 A CN 108547293A CN 201810184265 A CN201810184265 A CN 201810184265A CN 108547293 A CN108547293 A CN 108547293A
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D7/00—Methods or apparatus for placing sheet pile bulkheads, piles, mouldpipes, or other moulds
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D15/00—Handling building or like materials for hydraulic engineering or foundations
- E02D15/02—Handling of bulk concrete specially for foundation or hydraulic engineering purposes
- E02D15/04—Placing concrete in mould-pipes, pile tubes, bore-holes or narrow shafts
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D15/00—Handling building or like materials for hydraulic engineering or foundations
- E02D15/08—Sinking workpieces into water or soil inasmuch as not provided for elsewhere
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B7/00—Special methods or apparatus for drilling
- E21B7/12—Underwater drilling
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2250/00—Production methods
- E02D2250/003—Injection of material
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- General Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- Structural Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- Geology (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- Physics & Mathematics (AREA)
- Geochemistry & Mineralogy (AREA)
- Piles And Underground Anchors (AREA)
Abstract
The invention discloses a kind of embedding rock single piles to plant construction technology, includes the following steps：A, foundation pile, steady stake plateform system and drilling machine etc. are transported to wind field seat in the plane, and supporting leg ship towage to seat in the plane, the positioning of supporting leg secure, transport secure positions；B, steady stake platform releases binding, and steady stake platform and the installation of interior casing；C, it lifts on drilling machine to steady stake platform and continuous drilling is to absolute altitude；D, it in supporting leg ship lifting foundation pile to interior casing, and measuring for verticality and adjusts；E, the inside and outside grouting of foundation pile later；F, steady stake platform, casing are removed and install associate member, and construction efficiency of the present invention is high, safe, and stability is high, and will not pollute ambient enviroment.
Description
Technical field
The present invention relates to embedding rock single pile technical field of construction, specially a kind of embedding rock single pile plants construction technology.
Background technology
Stake in stake end insertion rock mass is known as embedded rock pile.No matter how as long as stake end is embedded in rock mass the rate of decay of rock mass
It can be described as embedded rock pile, the difference of embedded rock pile its characteristic in the rock mass of embedded different characteristics is drawn by the difference of rock mass characteristic
It rises.
Currently, marine Pile complex process, efficiency is low, and pile body compression strength, shock strength are low, and safety is poor.
Invention content
The purpose of the present invention is to provide a kind of embedding rock single piles to plant construction technology, to solve to propose in above-mentioned background technology
The problem of.
To achieve the above object, the present invention provides the following technical solutions：A kind of embedding rock single pile plantation construction technology, including with
Lower step：
A, foundation pile, steady stake plateform system and drilling machine etc. are transported to wind field seat in the plane, and supporting leg ship towage to seat in the plane, supporting leg ship is thrown
Positioning of anchor, transport secure positioning；
B, steady stake platform releases binding, and steady stake platform and the installation of interior casing；
C, it lifts on drilling machine to steady stake platform and continuous drilling is to absolute altitude, drilling machine is removed after the completion of drilling；
D, it in supporting leg ship lifting foundation pile to interior casing, and measuring for verticality and adjusts；
E, the inside and outside grouting of foundation pile later；
F, steady stake platform, casing are removed and installation associate member.
Preferably, means of transportation is in the step A：Single flight number transports 2 sets of single-pile foundations, 1 set of steady stake platform and interior shield
Cylinder, 1 set of drilling machine；Single pile arranged beneath slideway tooling carries out single pile setting so as to sea, and steel pile casting uses vertical means of transportation；Its
In, embedding rock drilling machine drill bit, stabilizer assemble in advance it is integral, utilize drilling machine transport frock carry out whole Transporting；Steady stake platform fortune
When defeated, spud pile, steady stake platform rack, interior casing are completed rear whole Transporting.
Preferably, steady stake stage+module includes the following steps in the step B：
A, steady stake platform and the fixed pile pile of support are transported to designated position, 6 card keys of steady stake platform is supported into pile pipe later
It is installed to platform machine frame inside, card key is used in combination to firmly install；
B, data, hydrological data etc. are surveyed according to the ground of seat in the plane to calculate in advance, the support pile pile of steady stake platform is adjusted in place in advance；
C, after ensuring that the support pile pile of steady stake platform is adjusted in place, steady stake platform Current Collector Sleave is got out, and detect quality zero defect
Current Collector Sleave is installed in place afterwards；
D, Current Collector Sleave hangs up properly cable wind rope after installation is complete on steady stake platform, the sea of steady stake platform is tied up after tooling removes, slowly
Steady stake platform is hung deck by raising crane gib head, isolated pillar crane arm support to seat in the plane center, while twist anchor will twist from
Ship certain position is to vacate the position of steady stake platform；
E, crane hook is transferred, steady stake platform is integrally sling into submerged, sea bed is submerged by the dead weight of steady stake platform
Certain depth, after steady stake platform sink to mud face it is basicly stable after, by steady stake platform Current Collector Sleave remove；
F, survey crew utilizes the Realize of the steady stake platform of transit survey, is not required to adjust if levelness is not exceeded, if water
Pingdu is exceeded, first applies certain vibration to the fixation stake top end of upper side with crane hanging component vibration hammer, platform is carried out
Coarse adjustment is flat；Then the removable card key in the steady lower side of stake platform is lifted the pedestal of downside with suspender belt cooperation loop wheel machine slightly again
It is high；With card key card jail after steady stake plateau levels；
G, the card key of a steel-pipe pile is dismantled, gradually card key adjusting screw is unclamped simultaneously to discharge the pressure that steel-pipe pile is born, incites somebody to action
The steel-pipe pile is squeezed into vibration hammer to scar, in place after, again by the card key of the steel-pipe pile connection install；Repeat above procedure
Each steel-pipe pile is squeezed into one by one；Since there are six steel-pipe pile symmetric supports for platform, one of steel-pipe pile is once only being removed
In the case of, platform still maintains stable and horizontal；
H, after the completion of steady stake plateau levels adjustment, the Realize of steady stake platform is observed, it is ensured that after steady stake platform stable, prepare to hang
Fill casing in steady stake platform；
I, it is ready to lift the Current Collector Sleave of casing in steady stake platform, is installed in place Current Collector Sleave after detecting Current Collector Sleave zero defect；
J, raising crane gib head lifts casing in steady stake platform to steady stake platform, after waiting for that interior casing is drowned oneself, incited somebody to action
It crosses section to be installed at the top of interior casing, and fastens and connect bolt, then will wear interior casing with hydraulic impact hammer squeezes into lithosphere；
After interior casing is installed in place, the changeover portion at top is removed；Platform lock-screw suitable for reading is pre-tightened, make the suitable for reading of steel pile casting with
Platform is linked together.
Preferably, drill hole of drilling machine technique includes the following steps in the step C：
A, it assembles drilling machine and debugs, ancillary equipment is overhauled in harbour, prepares enough material accessory, by drilling machine and ancillary equipment and material
It is transported to construction site, two drill bits are equipped with per bench drill machine, one is used to construct, another maintenance is spare；Drill bit, stabilization
Device is assembled in harbour, is carried out whole Transporting using ship, and transport to steady stake table top, is used in combination Special Locking device by drilling machine
It is fixed with steady stake platform and the test-run a machine that is powered；
B, drilling system is lifted to drilling machine over-assemble using crane and is put into steady stake platform；
C, it is connected to the hydraulic circuit of drill bit of drilling machine and guider, operation hydraulic valve makes drill bit and guider extend to finger by oil cylinder
Determine diameter；
D, the hydraulic circuit of drill bit and guider is cut off, drilling tool size is locked, drills later；
E, continue to transfer drill bit to sea bed face and prepare to drill；
F, it switches on the pump into steel sleeve and moisturizing and to keep head height；
G, start air compressor machine calm the anger reacting cycle hole flushing drilling, coating creep into directly to marine discharge, rate of water make-up should be kept to be more than
Discharge capacity, so that it is guaranteed that head height in steel sleeve；
H, drilling depth removes boring mud by using vibrating screen after coating instead, and seawater recycles, and reduces rate of water make-up, reduces energy
Consumption；
I, boring procedure should constantly adjust drilling parameter according to rate of penetration, it is ensured that hard rock section rate of penetration is in 100~200mm/h
Between；
J, it pulls out of hole in time after drilling to designed elevation, hydraulic circuit should be connected in time before by diameter 5m steel sleeve reducers and returned
Contracting drill bit and guider are to minimum dimension；The plasma discharge amount of drilling machine and the rate of water make-up of water pump will keep balancing, and prevent in steel-pipe pile
The water surface is too low；
K, after the completion of drilling construction, drilling machine is removed into lifting to ship board origin-location and is bound secured.
Preferably, in the step D, after foundation pile turns over stake setting, revolving crane arm support lifts single pile to interior casing
It is interior to be sink to designed elevation certainly；Designed elevation is not achieved if drowned oneself, lifts hydraulic impact hammer hammer pile sinking to designed elevation；
It drowns oneself with pile driving process, the verticality of foundation pile is adjusted by jack device on steady stake platform.
Preferably, grouting process includes the following steps in the step E：
A, foundation pile straightening, after pile sinking to designed elevation, grouting construction ship casts anchor positioning near seat in the plane, gets out grouting construction
Tool carries out grouting construction after detecting grouting material qualification；
B, back cover first is carried out with concrete to single pile bottom before grouting；After back cover, single pile is carried into 2m or so upwards with loop wheel machine, then
Lower section is to absolute altitude again, and to ensure that bottom concrete is relatively uniform, bottom concrete need to add early strength agent；
C, clearance filled between foundation pile and hole wall：When foundation pile design processing, to preset two-way diameter 76mm seamless steels in steel pipe
Pipe, steel pipe are connected to stake top portion by cylinder bottom, and there are bump joints for steel pipe upper end, after foundation pile sinks to designed elevation, stake bottom
Grouting pipeline can be installed after conduit underwater grouting concrete；High-pressure slip-casting system will be previously disposed on commodity mixer ship, be stirred
Ship is mixed close to foundation pile to be filled nearby to stablize；High-pressure injection pump outlet end is connected with steel tube on current divider again, current divider
Grouting Pipe is reserved with stake top and is coupled in two outlets；When backfilling cement mortar, first striaght cement slurries brush is used to lead to grouting pipeline, then water filling
Cement mortar；Its process is to squeeze into the cement mortar of agitated qualification in material storing box by delivery pump to supply high pressure injection by material storing box
Stock pump injects foundation pile outer wall surrounding through current divider, and cement mortar is from bottom to top poured in down a chimney to mortar topsoil, and slip casting is
It comes to an end.
Preferably, process is removed in the step F to include the following steps：
A, at the top of interior casing hydraulic jack is installed between steady stake platform；And interior shield is hung up properly in advance on interior casing lifting lug
Cylinder Current Collector Sleave after ready, jacked interior casing using hydraulic jack, after the jacking of interior casing is loosened, is risen using crane
Interior casing is hung, interior casing is hung out into steady stake platform, is then lifted to cargo ship, and binding is secured temporarily；
B, steady stake platform hangs up properly Current Collector Sleave, unclamps the card key of 6 support pile piles, the steady stake platform of crane loading, by steady stake platform
It places on ship board and binds secured；
C, lifting vibration hammer shakes loose 6 support pile piles, then lifts by crane 6 support pile piles successively to ship board；
D, it after steady stake platform pedestal and fixed pile pile are displaced to ship board, is required steady stake stage+module according to next seat in the plane
It is installed with fixed pile pile, regulates 6 fixed pile piles and steady stake platform pedestal relative position.
Compared with prior art, the beneficial effects of the invention are as follows：Construction efficiency of the present invention is high, safe, and stability is high,
And ambient enviroment will not be polluted；Wherein, steady stake stage+module technique can improve the stability after steady stake stage+module, and raising is held
Loading capability；The steady stake platform of the present invention uses six steel-pipe pile symmetric supports, improves the stabilization and level of steady stake platform entirety,
If removing one of steel-pipe pile, the stabilization and level of steady stake platform are not influenced still；The bore process of use is simple, drilling efficiency
Height, and it is safe；In the present invention, crane is hung always to drilling machine ontology, not exclusively pine hook in boring procedure, works as generation
When " bust ", drilling machine weight can be made to be not loaded on foundation pile, effectively reduce the risk of " bust "；Using upper bore diameter
It is smaller, expand bore diameter after entering mud again when reaching certain；Keep foundation pile bottom root face larger, to prevent to a certain extent
" bust " risk；Using the technique of " bore-beat-bore ", i.e., just reached using jump bit pile sinking after the certain depth of drill hole of drilling machine
After stopping hammer standard, then drill hole of drilling machine is set up, alternates progress until foundation pile reaches absolute altitude；The grouting process of use can make
Bottom hole sediment, gap obtains closely knit solidification between wall, reaches the bearing capacity for improving pile, reduces the purpose of sedimentation, effective to improve
With the compressive resistance and shock strength for reinforcing pile foundation；The present invention uses " implant post " construction technology, solves the big nothing of formation hardness
The problem of method pile sinking；In addition, using steady stake platform auxiliary bore hole, drill hole of drilling machine stability can be improved, ensures borehole perpendicularity；
In addition, drilling equipment improves construction efficiency using integrated form bulk transport Ship Transportation, lifting.
Description of the drawings
Fig. 1 is construction process figure of the present invention；
Fig. 2 is the steady stake platform lifting schematic diagram of the present invention；
Fig. 3 is casing erection drawing in the steady stake platform of the present invention；
Fig. 4 is present invention drilling schematic diagram.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
- 4 are please referred to Fig.1, the present invention provides a kind of technical solution：A kind of embedding rock single pile plantation construction technology, including it is following
Step：
A, foundation pile, steady stake plateform system and drilling machine etc. are transported to wind field seat in the plane, and supporting leg ship towage to seat in the plane, supporting leg ship is thrown
Positioning of anchor, transport secure positioning；
B, steady stake platform releases binding, and steady stake platform and the installation of interior casing；
C, it lifts on drilling machine to steady stake platform and continuous drilling is to absolute altitude, drilling machine is removed after the completion of drilling；
D, it in supporting leg ship lifting foundation pile to interior casing, and measuring for verticality and adjusts；
E, the inside and outside grouting of foundation pile later；
F, steady stake platform, casing are removed and installation associate member.
In the present invention, means of transportation is in step A：2 sets of single-pile foundations of single flight number transport, 1 set of steady stake platform and interior casing,
1 set of drilling machine；Single pile arranged beneath slideway tooling carries out single pile setting so as to sea, and steel pile casting uses vertical means of transportation；Wherein,
Embedding rock drilling machine drill bit, stabilizer assemble in advance it is integral, utilize drilling machine transport frock carry out whole Transporting；Steady stake platform transport
When, spud pile, steady stake platform rack, interior casing are completed rear whole Transporting.
In the present invention, steady stake stage+module includes the following steps in step B：
A, steady stake platform and the fixed pile pile of support are transported to designated position, 6 card keys of steady stake platform is supported into pile pipe later
It is installed to platform machine frame inside, card key is used in combination to firmly install；
B, data, hydrological data etc. are surveyed according to the ground of seat in the plane to calculate in advance, the support pile pile of steady stake platform is adjusted in place in advance；
C, after ensuring that the support pile pile of steady stake platform is adjusted in place, steady stake platform Current Collector Sleave is got out, and detect quality zero defect
Current Collector Sleave is installed in place afterwards；
D, Current Collector Sleave hangs up properly cable wind rope after installation is complete on steady stake platform, the sea of steady stake platform is tied up after tooling removes, slowly
Steady stake platform is hung deck by raising crane gib head, isolated pillar crane arm support to seat in the plane center, while twist anchor will twist from
Ship certain position is to vacate the position of steady stake platform；
E, crane hook is transferred, steady stake platform is integrally sling into submerged, sea bed is submerged by the dead weight of steady stake platform
Certain depth, after steady stake platform sink to mud face it is basicly stable after, by steady stake platform Current Collector Sleave remove；
F, survey crew utilizes the Realize of the steady stake platform of transit survey, is not required to adjust if levelness is not exceeded, if water
Pingdu is exceeded, first applies certain vibration to the fixation stake top end of upper side with crane hanging component vibration hammer, platform is carried out
Coarse adjustment is flat；Then the removable card key in the steady lower side of stake platform is lifted the pedestal of downside with suspender belt cooperation loop wheel machine slightly again
It is high；With card key card jail after steady stake plateau levels；
G, the card key of a steel-pipe pile is dismantled, gradually card key adjusting screw is unclamped simultaneously to discharge the pressure that steel-pipe pile is born, incites somebody to action
The steel-pipe pile is squeezed into vibration hammer to scar, in place after, again by the card key of the steel-pipe pile connection install；Repeat above procedure
Each steel-pipe pile is squeezed into one by one；Since there are six steel-pipe pile symmetric supports for platform, one of steel-pipe pile is once only being removed
In the case of, platform still maintains stable and horizontal；
H, after the completion of steady stake plateau levels adjustment, the Realize of steady stake platform is observed, it is ensured that after steady stake platform stable, prepare to hang
Fill casing in steady stake platform；
I, it is ready to lift the Current Collector Sleave of casing in steady stake platform, is installed in place Current Collector Sleave after detecting Current Collector Sleave zero defect；
J, raising crane gib head lifts casing in steady stake platform to steady stake platform, after waiting for that interior casing is drowned oneself, incited somebody to action
It crosses section to be installed at the top of interior casing, and fastens and connect bolt, then will wear interior casing with hydraulic impact hammer squeezes into lithosphere；
After interior casing is installed in place, the changeover portion at top is removed；Platform lock-screw suitable for reading is pre-tightened, make the suitable for reading of steel pile casting with
Platform is linked together.
Wherein, steady stake platform Current Collector Sleave includes the first 1000T hanging beams 1, the first endless steel cable that size is 144*16m
Circle 2, the second endless steel cable circle 3, the first 500T shackles 4, the first 600T shackles 5 and the 200T shackles that size is 144*20m
6；In step I the Current Collector Sleave of interior casing include the 2nd 1000T hanging beams 7, size be 144*16m third endless steel cable circle 8,
Size is the 4th endless steel cable circle 9, the 2nd 500T shackles 10 and the 2nd 600T shackle 11 of 144*20m.
In the present invention, drill hole of drilling machine technique includes the following steps in step C：
A, it assembles drilling machine and debugs, ancillary equipment is overhauled in harbour, prepares enough material accessory, by drilling machine and ancillary equipment and material
It is transported to construction site, two drill bits are equipped with per bench drill machine, one is used to construct, another maintenance is spare；Drill bit, stabilization
Device is assembled in harbour, is carried out whole Transporting using ship, and transport to steady stake table top, is used in combination Special Locking device by drilling machine
It is fixed with steady stake platform and the test-run a machine that is powered；
B, drilling system is lifted to drilling machine over-assemble using crane and is put into steady stake platform；
C, it is connected to the hydraulic circuit of drill bit of drilling machine and guider, operation hydraulic valve makes drill bit and guider extend to finger by oil cylinder
Determine diameter；
D, the hydraulic circuit of drill bit and guider is cut off, drilling tool size is locked, drills later；
E, continue to transfer drill bit to sea bed face and prepare to drill；
F, it switches on the pump into steel sleeve and moisturizing and to keep head height；
G, start air compressor machine calm the anger reacting cycle hole flushing drilling, coating creep into directly to marine discharge, rate of water make-up should be kept to be more than
Discharge capacity, so that it is guaranteed that head height in steel sleeve；
H, drilling depth removes boring mud by using vibrating screen after coating instead, and seawater recycles, and reduces rate of water make-up, reduces energy
Consumption；
I, boring procedure should constantly adjust drilling parameter according to rate of penetration, it is ensured that hard rock section rate of penetration is in 100~200mm/h
Between；
J, it pulls out of hole in time after drilling to designed elevation, hydraulic circuit should be connected in time before by diameter 5m steel sleeve reducers and returned
Contracting drill bit and guider are to minimum dimension；The plasma discharge amount of drilling machine and the rate of water make-up of water pump will keep balancing, and prevent in steel-pipe pile
The water surface is too low；
K, after the completion of drilling construction, drilling machine is removed into lifting to ship board origin-location and is bound secured.
Wherein, drilling system includes drill bit 12, guider 13, transit joint 14, support tube 15 in step B.
In the present invention, in step D, after foundation pile turns over stake setting, revolving crane arm support lifts single pile to interior casing
From being sink to designed elevation；Designed elevation is not achieved if drowned oneself, lifts hydraulic impact hammer hammer pile sinking to designed elevation；Certainly
In heavy and pile driving process, pass through the verticality that jack device on steady stake platform adjusts foundation pile.
In the present invention, combined to ensure stake bottom and stake cylinder with the gap between palisades closely knit, it is ensured that pile sinking quality needs to carry out
Concrete and support with backfilling cement mortar technique is perfused in bottom hole, can make bottom hole sediment, and gap obtains closely knit solidification between wall, reaches raising
The bearing capacity of pile reduces the purpose of sedimentation, the effective compressive resistance and shock strength improved and reinforce pile foundation；Pile sinking is completed
Afterwards, first by piling bar bottom underwater concrete back cover, it is thick that back cover height temporarily presses 2m；When bottom concrete initial set between pile body hole wall
Gap carries out cement mortar and fills closely knit solidification, and grouting process includes the following steps：
A, foundation pile straightening, after pile sinking to designed elevation, grouting construction ship casts anchor positioning near seat in the plane, gets out grouting construction
Tool carries out grouting construction after detecting grouting material qualification；
B, back cover first is carried out with concrete to single pile bottom before grouting；After back cover, single pile is carried into 2m or so upwards with loop wheel machine, then
Lower section is to absolute altitude again, and to ensure that bottom concrete is relatively uniform, bottom concrete need to add early strength agent；Underwater concrete engineering is applied
Work can be used direct pipe method pouring underwater concrete, and concrete mix is to enter initial stage by mouth under conduit when perfusion
The concrete of perfusion（As water barrier）In the following, jacking the concrete that initial stage is perfused and its water above or mud rising；For
Everything goes well with your work carries out for perfusion, should shorten infusion time as possible, adhere to working continuously, perfusion is made to be operated in first batch of concrete not yet
It was completed before pre-hardening；
C, clearance filled between foundation pile and hole wall：When foundation pile design processing, to preset two-way diameter 76mm seamless steels in steel pipe
Pipe, steel pipe are connected to stake top portion by cylinder bottom, and there are bump joints for steel pipe upper end, after foundation pile sinks to designed elevation, stake bottom
Grouting pipeline can be installed after conduit underwater grouting concrete；High-pressure slip-casting system will be previously disposed on commodity mixer ship, be stirred
Ship is mixed close to foundation pile to be filled nearby to stablize；High-pressure injection pump outlet end is connected with steel tube on current divider again, current divider
Grouting Pipe is reserved with stake top and is coupled in two outlets；When backfilling cement mortar, first striaght cement slurries brush is used to lead to grouting pipeline, then water filling
Cement mortar；Its process is to squeeze into the cement mortar of agitated qualification in material storing box by delivery pump to supply high pressure injection by material storing box
Stock pump injects foundation pile outer wall surrounding through current divider, and cement mortar is from bottom to top poured in down a chimney to mortar topsoil, and slip casting is
It comes to an end.
The wherein method for filling of embedded rock pile underwater concrete：First by hopper bracket（Workbench）It is fixed on foundation pile lengthening
On section upper flanges disk, then jacket is placed on hopper bracket, after downcomer to projected depth, docks feed leakage bucket, sling material
Bucket system removes jacket, and gently the feed leakage bucket sling is placed on hopper bracket, puts balloon, cover board well, adds concrete to material
Bucket is full, opening quotation, continues plus concrete terminates to construction.Before underwater gliders, bottom hole beds of precipitation thickness should be surveyed again
Fixed, funnel and conduit pour water of brush with water, to make pipeline lubrication not glue concrete；Conduit transfer, conduit according to stake it is long and rule
Model requirement, by total long number merogenesis by connecing assembled decentralization, catheter position occupy stake cylinder center and extremely, in decentralization process will slowly under
It puts, conduit base opening is maintained at from bottom hole between 0.3-0.5m;It unplugs or valve opening, by should probing hole immediately behind first batch of concrete hole bottom
Inner concrete height calculates conduit buried depth, and meeting the requirements can normal perfusion；After perfusion starts, answer compact, continuous
Ground carries out, and midway is forbidden to stop work.To prevent concrete mix from being pushed away from funnel into bottom hole in filling process.Make mud retrogradation
Condensation, and keep detection inaccurate, it should be noted that observation tube inner concrete declines and water level in borehole lifts situation, measures and calculates in time
Hole inner concrete height；In filling process, conduit inner concrete is discontented, and when containing air, follow-up concrete will pour into slowly,
It whole can not struggle against and pour into funnel, in order to avoid forming high-pressure gasbag in conduit, squeeze out valve rubber, and make conduit leak；To ensure to enrich
Quality should be higher than that reaming section height in placing concrete height.When filling concrete is close to designed elevation, should calculate in time also needs
The amount of concrete wanted.
Process is removed in the present invention, in step F to include the following steps：
A, at the top of interior casing hydraulic jack is installed between steady stake platform；And interior shield is hung up properly in advance on interior casing lifting lug
Cylinder Current Collector Sleave after ready, jacked interior casing using hydraulic jack, after the jacking of interior casing is loosened, is risen using crane
Interior casing is hung, interior casing is hung out into steady stake platform, is then lifted to cargo ship, and binding is secured temporarily；
B, steady stake platform hangs up properly Current Collector Sleave, unclamps the card key of 6 support pile piles, the steady stake platform of crane loading, by steady stake platform
It places on ship board and binds secured；
C, lifting vibration hammer shakes loose 6 support pile piles, then lifts by crane 6 support pile piles successively to ship board；
D, it after steady stake platform pedestal and fixed pile pile are displaced to ship board, is required steady stake stage+module according to next seat in the plane
It is installed with fixed pile pile, regulates 6 fixed pile piles and steady stake platform pedestal relative position.
Single pile pile sinking is completed, and after steady stake platform removal, passes through the associate members such as crane loading installation foundation pile protection cage
And carry out follow-up scour protection installation.
Construction efficiency of the present invention is high, safe, and stability is high, and will not pollute ambient enviroment；Wherein, steady stake platform peace
Dress technique can improve the stability after steady stake stage+module, improve bearing capacity；The steady stake platform of the present invention uses six steel
Pile pile symmetric support, improve the stabilization and level of steady stake platform entirety does not influence steady stake still if removing one of steel-pipe pile
The stabilization and level of platform；The bore process of use is simple, and drilling efficiency is high, and safe；In the present invention, in boring procedure
Middle that crane is hung always to drilling machine ontology, not exclusively pine hook can be such that drilling machine weight is not loaded in base when generation " bust "
In plinth stake, the risk of " bust " is effectively reduced；It is smaller using upper bore diameter, expand drilling after entering mud again when reaching certain
Diameter；Keep foundation pile bottom root face larger, to prevent " bust " risk to a certain extent；Using the technique of " bore-beat-bore ",
Just reached using jump bit pile sinking i.e. after the certain depth of drill hole of drilling machine after stopping hammer standard, then set up drill hole of drilling machine, handed in turn
For progress until foundation pile reaches absolute altitude；The grouting process of use can make bottom hole sediment, and gap obtains closely knit solidification between wall, reaches
To the bearing capacity for improving pile, the purpose of sedimentation is reduced, the effective compressive resistance and shock strength improved and reinforce pile foundation.This
Invention uses " implant post " construction technology, solves the problems, such as that formation hardness greatly can not pile sinking；In addition, being assisted using steady stake platform
Drilling can improve drill hole of drilling machine stability, ensure borehole perpendicularity；In addition, drilling equipment uses integrated form large transport ship
Transport, lifting, improve construction efficiency.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
Understanding without departing from the principles and spirit of the present invention can carry out these embodiments a variety of variations, modification, replace
And modification, the scope of the present invention is defined by the appended.
Claims (7)
1. a kind of embedding rock single pile plants construction technology, it is characterised in that：Include the following steps：
A, foundation pile, steady stake plateform system and drilling machine etc. are transported to wind field seat in the plane, and supporting leg ship towage to seat in the plane, supporting leg ship is thrown
Positioning of anchor, transport secure positioning；
B, steady stake platform releases binding, and steady stake platform and the installation of interior casing；
C, it lifts on drilling machine to steady stake platform and continuous drilling is to absolute altitude, drilling machine is removed after the completion of drilling；
D, it in supporting leg ship lifting foundation pile to interior casing, and measuring for verticality and adjusts；
E, the inside and outside grouting of foundation pile later；
F, steady stake platform, casing are removed and installation associate member.
2. a kind of embedding rock single pile according to claim 1 plants construction technology, it is characterised in that：It is transported in the step A
Mode is：Single flight number transports 2 sets of single-pile foundations, 1 set of steady stake platform and interior casing, 1 set of drilling machine；Single pile arranged beneath slideway tooling
So that sea carries out single pile setting, steel pile casting uses vertical means of transportation；Wherein, embedding rock drilling machine drill bit, stabilizer assemble in advance
It is integral, carry out whole Transporting using drilling machine transport frock；When steady stake platform transport, by spud pile, steady stake platform rack, interior shield
Cylinder is completed rear whole Transporting.
3. a kind of embedding rock single pile according to claim 1 plants construction technology, it is characterised in that：Steady stake in the step B
Stage+module includes the following steps：
A, steady stake platform and the fixed pile pile of support are transported to designated position, 6 card keys of steady stake platform is supported into pile pipe later
It is installed to platform machine frame inside, card key is used in combination to firmly install；
B, data, hydrological data etc. are surveyed according to the ground of seat in the plane to calculate in advance, the support pile pile of steady stake platform is adjusted in place in advance；
C, after ensuring that the support pile pile of steady stake platform is adjusted in place, steady stake platform Current Collector Sleave is got out, and detect quality zero defect
Current Collector Sleave is installed in place afterwards；
D, Current Collector Sleave hangs up properly cable wind rope after installation is complete on steady stake platform, the sea of steady stake platform is tied up after tooling removes, slowly
Steady stake platform is hung deck by raising crane gib head, isolated pillar crane arm support to seat in the plane center, while twist anchor will twist from
Ship certain position is to vacate the position of steady stake platform；
E, crane hook is transferred, steady stake platform is integrally sling into submerged, sea bed is submerged by the dead weight of steady stake platform
Certain depth, after steady stake platform sink to mud face it is basicly stable after, by steady stake platform Current Collector Sleave remove；
F, survey crew utilizes the Realize of the steady stake platform of transit survey, is not required to adjust if levelness is not exceeded, if water
Pingdu is exceeded, first applies certain vibration to the fixation stake top end of upper side with crane hanging component vibration hammer, platform is carried out
Coarse adjustment is flat；Then the removable card key in the steady lower side of stake platform is lifted the pedestal of downside with suspender belt cooperation loop wheel machine slightly again
It is high；With card key card jail after steady stake plateau levels；
G, the card key of a steel-pipe pile is dismantled, gradually card key adjusting screw is unclamped simultaneously to discharge the pressure that steel-pipe pile is born, incites somebody to action
The steel-pipe pile is squeezed into vibration hammer to scar, in place after, again by the card key of the steel-pipe pile connection install；Repeat above procedure
Each steel-pipe pile is squeezed into one by one；Since there are six steel-pipe pile symmetric supports for platform, one of steel-pipe pile is once only being removed
In the case of, platform still maintains stable and horizontal；
H, after the completion of steady stake plateau levels adjustment, the Realize of steady stake platform is observed, it is ensured that after steady stake platform stable, prepare to hang
Fill casing in steady stake platform；
I, it is ready to lift the Current Collector Sleave of casing in steady stake platform, is installed in place Current Collector Sleave after detecting Current Collector Sleave zero defect；
J, raising crane gib head lifts casing in steady stake platform to steady stake platform, after waiting for that interior casing is drowned oneself, incited somebody to action
It crosses section to be installed at the top of interior casing, and fastens and connect bolt, then will wear interior casing with hydraulic impact hammer squeezes into lithosphere；
After interior casing is installed in place, the changeover portion at top is removed；Platform lock-screw suitable for reading is pre-tightened, make the suitable for reading of steel pile casting with
Platform is linked together.
4. a kind of embedding rock single pile according to claim 1 plants construction technology, it is characterised in that：Drilling machine in the step C
Bore process includes the following steps：
A, it assembles drilling machine and debugs, ancillary equipment is overhauled in harbour, prepares enough material accessory, by drilling machine and ancillary equipment and material
It is transported to construction site, two drill bits are equipped with per bench drill machine, one is used to construct, another maintenance is spare；Drill bit, stabilization
Device is assembled in harbour, is carried out whole Transporting using ship, and transport to steady stake table top, is used in combination Special Locking device by drilling machine
It is fixed with steady stake platform and the test-run a machine that is powered；
B, drilling system is lifted to drilling machine over-assemble using crane and is put into steady stake platform；
C, it is connected to the hydraulic circuit of drill bit of drilling machine and guider, operation hydraulic valve makes drill bit and guider extend to finger by oil cylinder
Determine diameter；
D, the hydraulic circuit of drill bit and guider is cut off, drilling tool size is locked, drills later；
E, continue to transfer drill bit to sea bed face and prepare to drill；
F, it switches on the pump into steel sleeve and moisturizing and to keep head height；
G, start air compressor machine calm the anger reacting cycle hole flushing drilling, coating creep into directly to marine discharge, rate of water make-up should be kept to be more than
Discharge capacity, so that it is guaranteed that head height in steel sleeve；
H, drilling depth removes boring mud by using vibrating screen after coating instead, and seawater recycles, and reduces rate of water make-up, reduces energy
Consumption；
I, boring procedure should constantly adjust drilling parameter according to rate of penetration, it is ensured that hard rock section rate of penetration is in 100~200mm/h
Between；
J, it pulls out of hole in time after drilling to designed elevation, hydraulic circuit should be connected in time before by diameter 5m steel sleeve reducers and returned
Contracting drill bit and guider are to minimum dimension；The plasma discharge amount of drilling machine and the rate of water make-up of water pump will keep balancing, and prevent in steel-pipe pile
The water surface is too low；
K, after the completion of drilling construction, drilling machine is removed into lifting to ship board origin-location and is bound secured.
5. turn over after stake erects, revolving crane arm support, by single pile lift in interior casing from being sink to designed elevation；If drowned oneself
Designed elevation is not achieved, then lifts hydraulic impact hammer hammer pile sinking to designed elevation；It is drowning oneself with pile driving process, is passing through steady stake
The verticality of jack device adjustment foundation pile on platform.
6. a kind of embedding rock single pile according to claim 1 plants construction technology, it is characterised in that：It is in the milk in the step E
Technique includes the following steps：
A, foundation pile straightening, after pile sinking to designed elevation, grouting construction ship casts anchor positioning near seat in the plane, gets out grouting construction
Tool carries out grouting construction after detecting grouting material qualification；
B, back cover first is carried out with concrete to single pile bottom before grouting；After back cover, single pile is carried into 2m or so upwards with loop wheel machine, then
Lower section is to absolute altitude again, and to ensure that bottom concrete is relatively uniform, bottom concrete need to add early strength agent；
C, clearance filled between foundation pile and hole wall：When foundation pile design processing, to preset two-way diameter 76mm seamless steels in steel pipe
Pipe, steel pipe are connected to stake top portion by cylinder bottom, and there are bump joints for steel pipe upper end, after foundation pile sinks to designed elevation, stake bottom
Grouting pipeline can be installed after conduit underwater grouting concrete；High-pressure slip-casting system will be previously disposed on commodity mixer ship, be stirred
Ship is mixed close to foundation pile to be filled nearby to stablize；High-pressure injection pump outlet end is connected with steel tube on current divider again, current divider
Grouting Pipe is reserved with stake top and is coupled in two outlets；When backfilling cement mortar, first striaght cement slurries brush is used to lead to grouting pipeline, then water filling
Cement mortar；Its process is to squeeze into the cement mortar of agitated qualification in material storing box by delivery pump to supply high pressure injection by material storing box
Stock pump injects foundation pile outer wall surrounding through current divider, and cement mortar is from bottom to top poured in down a chimney to mortar topsoil, and slip casting is
It comes to an end.
7. a kind of embedding rock single pile according to claim 1 plants construction technology, it is characterised in that：It is removed in the step F
Process includes the following steps：
A, at the top of interior casing hydraulic jack is installed between steady stake platform；And interior shield is hung up properly in advance on interior casing lifting lug
Cylinder Current Collector Sleave after ready, jacked interior casing using hydraulic jack, after the jacking of interior casing is loosened, is risen using crane
Interior casing is hung, interior casing is hung out into steady stake platform, is then lifted to cargo ship, and binding is secured temporarily；
B, steady stake platform hangs up properly Current Collector Sleave, unclamps the card key of 6 support pile piles, the steady stake platform of crane loading, by steady stake platform
It places on ship board and binds secured；
C, lifting vibration hammer shakes loose 6 support pile piles, then lifts by crane 6 support pile piles successively to ship board；
D, it after steady stake platform pedestal and fixed pile pile are displaced to ship board, is required steady stake stage+module according to next seat in the plane
It is installed with fixed pile pile, regulates 6 fixed pile piles and steady stake platform pedestal relative position.
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| CN201810184265.XA CN108547293A (en) | 2018-03-07 | 2018-03-07 | A kind of embedding rock single pile plantation construction technology |
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| CN109208538A (en) * | 2018-11-06 | 2019-01-15 | 江苏龙源振华海洋工程有限公司 | A kind of marine guidance piling berths construction technology by stake |
| CN109680702A (en) * | 2019-02-03 | 2019-04-26 | 天津港航工程有限公司 | Suction cartridge type single-pile foundation structure and its construction method |
| CN109989416A (en) * | 2019-05-20 | 2019-07-09 | 华电重工股份有限公司 | Stabilized pile platform and construction method for pile driving construction of offshore wind power monopile foundation |
| CN110984133A (en) * | 2019-12-09 | 2020-04-10 | 中铁大桥局集团第八工程有限公司 | Construction method for foundation of deep-water shallow-covering-layer trestle |
| CN110984158A (en) * | 2019-11-23 | 2020-04-10 | 广东华蕴海上风电科技有限公司 | Offshore wind power large-diameter rock-socketed single pile grouting construction method |
| CN111364470A (en) * | 2020-03-28 | 2020-07-03 | 江苏龙源振华海洋工程有限公司 | Construction method for inner protective cylinder redrawing pile sinking |
| CN112196345A (en) * | 2020-09-22 | 2021-01-08 | 九州职业技术学院 | Deviation rectifying and reinforcing method for coal washing tower |
| CN112900479A (en) * | 2021-01-27 | 2021-06-04 | 中交第三航务工程局有限公司宁波分公司 | Construction method of implanted single-pile foundation of ocean tidal current energy generator set |
| CN114370041A (en) * | 2021-12-30 | 2022-04-19 | 中国能源建设集团广东省电力设计研究院有限公司 | Basic platform of offshore converter station |
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| CN110984158A (en) * | 2019-11-23 | 2020-04-10 | 广东华蕴海上风电科技有限公司 | Offshore wind power large-diameter rock-socketed single pile grouting construction method |
| CN110984133A (en) * | 2019-12-09 | 2020-04-10 | 中铁大桥局集团第八工程有限公司 | Construction method for foundation of deep-water shallow-covering-layer trestle |
| CN111364470A (en) * | 2020-03-28 | 2020-07-03 | 江苏龙源振华海洋工程有限公司 | Construction method for inner protective cylinder redrawing pile sinking |
| CN112196345A (en) * | 2020-09-22 | 2021-01-08 | 九州职业技术学院 | Deviation rectifying and reinforcing method for coal washing tower |
| CN112900479A (en) * | 2021-01-27 | 2021-06-04 | 中交第三航务工程局有限公司宁波分公司 | Construction method of implanted single-pile foundation of ocean tidal current energy generator set |
| CN114370041A (en) * | 2021-12-30 | 2022-04-19 | 中国能源建设集团广东省电力设计研究院有限公司 | Basic platform of offshore converter station |
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