CN103835240A - Buoyancy tank type deepwater pile group bridge abutment construction platform and construction method thereof - Google Patents
Buoyancy tank type deepwater pile group bridge abutment construction platform and construction method thereof Download PDFInfo
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- CN103835240A CN103835240A CN201410104311.2A CN201410104311A CN103835240A CN 103835240 A CN103835240 A CN 103835240A CN 201410104311 A CN201410104311 A CN 201410104311A CN 103835240 A CN103835240 A CN 103835240A
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- 238000010276 construction Methods 0.000 title claims abstract description 39
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 53
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 45
- 239000010959 steel Substances 0.000 claims abstract description 45
- 238000007667 floating Methods 0.000 claims description 125
- 238000013461 design Methods 0.000 claims description 23
- 238000004080 punching Methods 0.000 claims description 14
- 230000035515 penetration Effects 0.000 claims description 13
- 230000010412 perfusion Effects 0.000 claims description 6
- 230000003014 reinforcing effect Effects 0.000 claims description 6
- 238000004140 cleaning Methods 0.000 claims description 5
- 238000004064 recycling Methods 0.000 claims description 5
- 238000012423 maintenance Methods 0.000 claims description 3
- 230000001915 proofreading effect Effects 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 3
- 239000012237 artificial material Substances 0.000 abstract description 5
- 238000007789 sealing Methods 0.000 abstract 2
- 238000005516 engineering process Methods 0.000 description 7
- 238000009434 installation Methods 0.000 description 2
- 239000011435 rock Substances 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000009417 prefabrication Methods 0.000 description 1
- 238000010079 rubber tapping Methods 0.000 description 1
- 238000009958 sewing Methods 0.000 description 1
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Abstract
The invention provides a buoyancy tank type deepwater pile group bridge abutment construction platform and a construction method of the construction platform. The buoyancy tank type deepwater pile group bridge abutment construction platform comprises a buoyancy tank type construction platform body prefabricated according to the size of a bridge abutment and the size of pile positions, and a working platform is erected on the upper portion of the buoyancy tank type construction platform body. The buoyancy tank type construction platform body is positioned through an anchorage device. Pile holes for pile driving are preformed in the bottom face of the buoyancy tank type construction platform body, and casing pipes for pile body steel tubes to penetrate through are arranged on the pile holes and connected with the edges of the pile holes in a sealing mode. Rubber water sealing rings capable of being inflated with high pressure gas or being infused with high pressure water are arranged at the joints of the outer walls of the pile body steel tubes and the bottom portions of the corresponding pile holes. The invention further provides the construction method of the buoyancy tank type deepwater pile group bridge abutment construction platform. The buoyancy tank type deepwater pile group bridge abutment construction platform is not only used as a bridge abutment die, but also used as a platform for pile foundation operation at sea, and therefore construction difficulty is lowered, the job progress is quickened, a large number of artificial materials are saved, equipment input is reduced, and full-water-surface operation which saves time, guarantees the quality, and is efficient and safe is achieved for the buoyancy tank type construction platform.
Description
Technical field
The present invention relates to pile foundation in deep water abutment technical field of construction, particularly relate to a kind of floating box type deep water clump of piles abutment operation platform and construction method thereof of full water surface operation.
Background technology
Along with the develop rapidly that Bridges in Our Country is built, bridge Construction Technology has also obtained new breakthrough.Some large-scale over strait, across the height of its design standard of Jiang Qiaoliang and technology content, the complexity of technology and execution conditions, is representing the highest level of current bridge construction.And the Focal point and difficult point of bridge construction is just pile foundation in deep water and abutment construction.
The general flow of existing deep water clump of piles abutment construction technology is: inserted to play special-purpose steel pile tube → set up Pile Installation Platform → sinking steel casing → drilled pile construction → operation platform dismounting → box to transfer in place → box back cover, the concreting of draw water → cushion cap.
This construction technology not only difficulty of construction is large, and programming is slow, also causes a large amount of artificial material wastes, and equipment investment amount is large; Steel box is installed difficulty, and easily causes security incident.
Summary of the invention
Technical problem to be solved by this invention is, overcome the above-mentioned deficiency of prior art, provide a kind of and save time, efficiently, guarantee the quality, floating box type deep water clump of piles abutment operation platform and the construction method thereof of safety, not only as abutment mould, also as the platform of pile foundation operation at sea, and then reduce difficulty of construction, speed up the work, save a large amount of artificial materials, reduce equipment investment amount.
The technical scheme that the present invention solves its technical problem employing is:
The present invention's floating box type deep water clump of piles abutment operation platform, comprises that the top of described floating box type operation platform is erected with working platform by abutment and the prefabricated floating box type operation platform of stake position size; Described floating box type operation platform is located by ground tackle; The bottom surface of described floating box type operation platform is preset with the stake hole for driving piles, and described stake hole is provided with for the sleeve pipe through pile body steel pipe, and described sleeve pipe is tightly connected with stake bore edges; The outer wall of described pile body steel pipe is provided with the close hydrosphere of rubber that can be filled with high pressure gas or inject water under high pressure with the junction, bottom in stake hole.
Wherein, the design principle of the close hydrosphere of rubber is with air tube or lifebuoy, when being filled with high pressure gas or injecting water under high pressure, expand, space between the inwall of sleeve pipe and pile body outer wall of steel pipe is filled up, after good seal, remove the above part in bottom surface that sleeve pipe is positioned at floating box type operation platform, avoid water to infiltrate floating box type operation platform, be convenient to connector and pile body outer wall of steel pipe is welded and fixed.
Further, the diameter of described sleeve pipe is greater than pile body diameter of steel tube 6 ~ 10cm, and the height of sleeve pipe exceedes the underwater penetration of floating box type operation platform.Because pile body steel pipe is through in sleeve pipe, while being driven underground with weight, pile body steel pipe has slightly and rocks, and by the impact that floating box type operation platform is not rocked by pile body steel pipe when guaranteeing to drive piles of reserved sleeve pipe space, improves stability.
Further, the outer upper part of described floating box type operation platform is provided with the water pocket for counterweight, and the bottom of floating box type operation platform is provided with the air cushion for stablizing floating box type operation platform.In the time that floating box type operation platform underwater penetration is less than design elevation, can be by ground tackle in conjunction with the underwater penetration of the drop-down adjusting floating box type of water pocket operation platform to reach design elevation; In the time that floating box type operation platform underwater penetration exceedes design elevation, (as added main equipment construction etc. on ebb or working platform), can stablize floating box type operation platform by air cushion.
Further, the periphery in described stake hole is provided with connector, the edge surrounding of described connector is provided with some fixing holes, bottom surface by screw rod and nut and floating box type operation platform is fixed, to back out nut complete man-hour, withdraw the bottom surface of floating box type operation platform, for the recycling of next engineering.
Further, described pile body steel pipe, by welding with the centre bore edge of described connector, is fixed on floating box type operation platform in pile body steel pipe walls by design elevation.
Further, described floating box type operation platform is gone along with sb. to guard him punching block and bottom surface by side and is gone along with sb. to guard him punching block and surround, and the middle part of floating box type operation platform is provided with some supports.Floating box type operation platform factory press abutment and stake position size prefabricated after, bank all splicing good after, floating traction to design attitude construct and fixed.Its medium-height trestle plays and connects the effect of supporting floating box type operation platform, not only guarantees that deformation does not occur floating box type operation platform, also needs to meet the requirement of pile driving equipment operation on working platform.
Further, described working platform is provided with the platform preformed hole corresponding with all piles hole.
Further, the surface of described air cushion is provided with the air cushion preformed hole corresponding with all piles hole, and a side of air cushion is provided with the air inlet port for inflating.
The construction method of the present invention's floating box type deep water clump of piles abutment operation platform, comprises the following steps:
(1) floating box type operation platform factory press abutment and stake position size prefabricated after, bank all splicing good after, floating traction to design attitude construct and fixed;
(2) utilize ground tackle location floating box type operation platform, utilize water pocket and air cushion to regulate the underwater penetration of floating box type operation platform;
(3) floating box type operation platform top be erected with working platform, the plant equipment of piling is positioned on working platform;
(4) pile body steel pipe is squeezed into riverbed through sleeve pipe, after rig pore-forming, put into the inner chamber of pile body steel pipe the reinforcing cage that colligation is good, then concrete perfusion is to design elevation (laitance cuts highly and takes into account);
(5) after all or part of pile foundation operation completes, again check the location of proofreading and correct floating box type operation platform, then open the close hydrosphere of rubber, be inwardly filled with high pressure gas or inject water under high pressure; After close water is intact, remove sleeve pipe and be positioned at the above part in bottom of floating box type operation platform; Connector and pile body outer wall of steel pipe are welded and fixed; Slice off pile body steel pipe and be positioned at redundance more than floating box type operation platform 1 bottom;
(6) cutter pile crown, cleaning floating box type operation platform bottom, colligation abutment reinforcing bar, perfusion abutment concrete;
(7) reach after requirement until the concrete intensity of abutment, the side of withdrawing successively floating box type operation platform goes along with sb. to guard him punching block and punching block is gone along with sb. to guard him in bottom, completes a whole set of operation, after the floating box type operation platform cleaning maintenance of withdrawing, is convenient to recycling.
Further, in step (3), after the plant equipment of piling is positioned on working platform, utilize water pocket and air cushion balance floating box type operation platform again.
Operating principle of the present utility model is: must first set up Pile Installation Platform for traditional deep water clump of piles abutment construction technology, then steel casing sinks, drilled pile construction, again at the assembled tapping box of building-site and to transfer the difficulty of construction that causes in place large, the problem that programming is slow, this operation platform adopts floating box type, can draw to design attitude floating the operation platform after spicing forming type, this floating box type operation platform is not only as abutment mould, also as the platform of pile foundation operation at sea, time saving and energy saving; Floating box type operation platform adopts the principle of offshore drilling platform anchor cable location; Locate by anchor cable, stake hole piling, only need carry out disposable accurate location to floating box type operation platform, and the number of corrections that solved conventional piles position is many, the large problem of measurement difficulty; Regulate the underwater penetration of floating box type operation platform to meet design elevation by the sink principle of gentle pad gas floating of water pocket water-filling, improve the stability of floating box type operation platform; The principle expanding when being filled with high pressure gas or being injected water under high pressure by the close hydrosphere of rubber avoids water to infiltrate floating box type operation platform, realizes the full water surface operation of floating box type operation platform.
The beneficial effect that the present invention compared with prior art has:
1, the present invention is not only as abutment mould, also as the platform of pile foundation operation at sea;
2, the disposable accurate location of floating box type operation platform, reduces and measures difficulty;
3, floating box type operation platform is by prefabrication, and bank is assembled, and floating traction to design attitude, has both reduced difficulty of construction, speeds up the work, and saves again a large amount of artificial materials, reduces hand labor intensity, reduces equipment investment amount;
4, the full water surface operation bottom surface of floating box type operation platform (remove except), save time, efficiently, guarantee the quality, safety, can reuse, and then can standardized designs.
Brief description of the drawings
Fig. 1 is the plane structure sectional view of the embodiment of the present invention;
Fig. 2 is the perspective view of the embodiment of the present invention;
Fig. 3 is the schematic bottom view of floating box type operation platform embodiment illustrated in fig. 2;
Fig. 4 is the horizontal cross of the close hydrosphere of rubber embodiment illustrated in fig. 1;
Fig. 5 is the floor map of connector embodiment illustrated in fig. 1;
Fig. 6 is the floor map of embodiment of the present invention air cushion.
Detailed description of the invention
Below in conjunction with drawings and Examples, the invention will be further described.
With reference to Fig. 1 ~ Fig. 3, a kind of floating box type deep water clump of piles abutment operation platform that the present embodiment provides, comprise floating box type operation platform 1, floating box type operation platform 1 is gone along with sb. to guard him punching block 11 and bottom surface by side and is gone along with sb. to guard him punching block 12 and surround, and is provided with Mi Shui band between all connecting sewings of going along with sb. to guard him punching block; The top of floating box type operation platform 1 is erected with working platform 2, and working platform 2 is provided with the platform preformed hole corresponding with all piles hole 13, can make pile body steel pipe 15 by platform preformed hole when piling; The middle part of floating box type operation platform 1 is provided with support 18, supports floating box type operation platform 1 for connecting, and not only guarantees that deformation does not occur floating box type operation platform 1, also needs to meet the requirement of pile driving equipment operation on working platform 2.Side is gone along with sb. to guard him the both sides of punching block 11 and is extended anchor cable 20, and the lower end of anchor cable 20 is connected with anchor shank 21, and anchor cable 20 and anchor shank 21 are referred to as ground tackle, and floating box type operation platform 1 is located by ground tackle; The bottom surface of floating box type operation platform 1 is preset with the stake hole 13 for driving piles, and stake hole 13 is provided with for the sleeve pipe 14 through pile body steel pipe 15, and sleeve pipe 14 is connected with stake hole 13 edge seals; The outer wall of pile body steel pipe 15 is provided with the close hydrosphere 16 of rubber with the junction, bottom in stake hole 13; The periphery in stake hole 13 is provided with connector 17; The outer upper part of floating box type operation platform 1 is provided with water pocket (not shown), and for counterweight, the bottom of floating box type operation platform 1 is provided with air cushion 19(with reference to Fig. 6).
The diameter of sleeve pipe 14 is greater than pile body steel pipe 15 diameter 6 ~ 10cm, and the height of sleeve pipe 14 exceedes the underwater penetration of floating box type operation platform 1.Because pile body steel pipe 15 is through in sleeve pipe 14, while being driven underground with weight, pile body steel pipe 15 has slightly and rocks, and by the impact that floating box type operation platform 1 is not rocked by pile body steel pipe 15 when guaranteeing to drive piles of reserved sleeve pipe 14 spaces, improves stability.The material of sleeve pipe 14 is rubber, and elasticity is large, not yielding.
With reference to Fig. 4, the design principle of the close hydrosphere 16 of rubber is with air tube or lifebuoy, one side of the close hydrosphere 16 of rubber is provided with inflation inlet 161, when being inwardly filled with high pressure gas or injecting water under high pressure, expand, space between the inwall of sleeve pipe 14 and pile body steel pipe 15 outer walls is filled up, after good seal, removed sleeve pipe 14 and be positioned at the above part in bottom surface of floating box type operation platform 1, avoid water to infiltrate floating box type operation platform 1, be convenient to connector 17 and be welded and fixed with pile body steel pipe 15 outer walls.
With reference to Fig. 5, the edge surrounding of connector 17 is provided with 8 fixing holes 173, fixes, to back out nut 172 complete man-hour by screw rod 171 and nut 172 with the bottom surface of floating box type operation platform 1, withdraw the bottom surface of floating box type operation platform 1, for the recycling of next engineering; Pile body steel pipe 15, by welding with the centre bore edge 174 of connector 17, is fixed on floating box type operation platform 1 on pile body steel pipe 15 walls by design elevation.
With reference to Fig. 6, air cushion 19 is provided with the air cushion preformed hole 191 corresponding with all piles hole 13, can make pile body steel pipe 15 by air cushion preformed hole 191 when piling; One side of air cushion 19 is provided with three air inlet ports 192 for inflating.In the time that floating box type operation platform 1 underwater penetration is less than design elevation, can be by ground tackle in conjunction with the underwater penetration of the drop-down adjusting floating box type of water pocket operation platform 1 to reach design elevation; In the time that floating box type operation platform 1 underwater penetration exceedes design elevation, (as added main equipment construction etc. on ebb or working platform), can stablize floating box type operation platform 1 by air cushion 19.
The construction method of the present embodiment comprises the following steps:
(1) floating box type operation platform 1 factory press abutment and stake position size prefabricated after, bank all splicing good after, floating traction to design attitude construct and fixed;
(2) utilize ground tackle location floating box type operation platform 1, utilize water pocket and air cushion 19 to regulate the underwater penetration of floating box type operation platform 1;
(3) floating box type operation platform 1 top be erected with working platform 2, the plant equipment of piling is positioned on working platform 2 and (utilizes water pocket and air cushion 19 balance floating box type operation platform 1 again);
(4) pile body steel pipe 15 is squeezed into riverbed through sleeve pipe 14, after rig pore-forming, put into the inner chamber of pile body steel pipe 15 reinforcing cage that colligation is good, then concrete perfusion is to design elevation (laitance cuts highly and takes into account);
(5) after all or part of pile foundation operation completes, again check the location of proofreading and correct floating box type operation platform 1, then open the close hydrosphere 16 of rubber, be inwardly filled with high pressure gas or inject water under high pressure; After close water is intact, remove sleeve pipe 14 and be positioned at the above part in bottom surface of floating box type operation platform 1; Connector 17 and pile body steel pipe 15 outer walls are welded and fixed; Slice off pile body steel pipe 15 and be positioned at redundance more than floating box type operation platform 1 bottom surface;
(6) cutter pile crown, cleaning floating box type operation platform 1 bottom surface, colligation abutment reinforcing bar, perfusion abutment concrete;
(7) reach after requirement until the concrete intensity of abutment, the side of withdrawing successively floating box type operation platform 1 goes along with sb. to guard him punching block 11 and punching block 12 is gone along with sb. to guard him in bottom surface, completes a whole set of operation, and the floating box type operation platform 1 of withdrawing is convenient to recycling after clearing up maintenance.
In a word, the present embodiment is not only as abutment mould, also as the platform of pile foundation operation at sea, and then reduction difficulty of construction, speed up the work, save a large amount of artificial materials, reduce hand labor intensity and equipment investment amount, realize save time, efficiently, guarantee the quality, the full water surface operation of the floating box type operation platform of safety.
Claims (10)
1. floating box type deep water clump of piles abutment operation platform, is characterized in that, comprises that the top of described floating box type operation platform is erected with working platform by abutment and the prefabricated floating box type operation platform of stake position size; Described floating box type operation platform is located by ground tackle; The bottom surface of described floating box type operation platform is preset with the stake hole for driving piles, and described stake hole is provided with for the sleeve pipe through pile body steel pipe, and described sleeve pipe is tightly connected with stake bore edges; The outer wall of described pile body steel pipe is provided with the close hydrosphere of rubber that can be filled with high pressure gas or inject water under high pressure with the junction, bottom in stake hole.
2. floating box type deep water clump of piles abutment operation platform according to claim 1, is characterized in that, the diameter of described sleeve pipe is greater than pile body diameter of steel tube 6 ~ 10cm, and the height of sleeve pipe exceedes the underwater penetration of floating box type operation platform.
3. floating box type deep water clump of piles abutment operation platform according to claim 1, it is characterized in that, the outer upper part of described floating box type operation platform is provided with the water pocket for counterweight, and the bottom of floating box type operation platform is provided with the air cushion for stablizing floating box type operation platform.
4. floating box type deep water clump of piles abutment operation platform according to claim 1, it is characterized in that, the periphery in described stake hole is provided with connector, and the edge surrounding of described connector is provided with some fixing holes, fixes by the bottom surface of screw rod and nut and floating box type operation platform.
5. floating box type deep water clump of piles abutment operation platform according to claim 4, is characterized in that, described pile body steel pipe, by welding with the centre bore edge of described connector, is fixed on floating box type operation platform in pile body steel pipe walls by design elevation.
6. floating box type deep water clump of piles abutment operation platform according to claim 1, is characterized in that, described floating box type operation platform is gone along with sb. to guard him punching block and bottom surface by side and gone along with sb. to guard him punching block and surround, and the middle part of floating box type operation platform is provided with some supports.
7. floating box type deep water clump of piles abutment operation platform according to claim 1, is characterized in that, described working platform is provided with the platform preformed hole corresponding with all piles hole.
8. floating box type deep water clump of piles abutment operation platform according to claim 3, is characterized in that, the surface of described air cushion is provided with the air cushion preformed hole corresponding with all piles hole, and a side of air cushion is provided with the air inlet port for inflating.
9. according to the construction method of floating box type deep water clump of piles abutment operation platform described in claim 1 ~ 8 any one, it is characterized in that, comprise the following steps:
(1) floating box type operation platform factory press abutment and stake position size prefabricated after, bank all splicing good after, floating traction to design attitude construct and fixed;
(2) utilize ground tackle location floating box type operation platform, utilize water pocket and air cushion to regulate the underwater penetration of floating box type operation platform;
(3) floating box type operation platform top be erected with working platform, the plant equipment of piling is positioned on working platform;
(4) pile body steel pipe is squeezed into riverbed through sleeve pipe, after rig pore-forming, put into the inner chamber of pile body steel pipe the reinforcing cage that colligation is good, then concrete perfusion is to design elevation;
(5) after all or part of pile foundation operation completes, again check the location of proofreading and correct floating box type operation platform, then open the close hydrosphere of rubber, be inwardly filled with high pressure gas or inject water under high pressure; After close water is intact, remove sleeve pipe and be positioned at the above part in bottom of floating box type operation platform; Connector and pile body outer wall of steel pipe are welded and fixed; Slice off pile body steel pipe and be positioned at redundance more than floating box type operation platform 1 bottom;
(6) cutter pile crown, cleaning floating box type operation platform bottom, colligation abutment reinforcing bar, perfusion abutment concrete;
(7) reach after requirement until the concrete intensity of abutment, the side of withdrawing successively floating box type operation platform goes along with sb. to guard him punching block and punching block is gone along with sb. to guard him in bottom, completes a whole set of operation, after the floating box type operation platform cleaning maintenance of withdrawing, is convenient to recycling.
10. the construction method of floating box type deep water clump of piles abutment operation platform according to claim 9, is characterized in that, in step (3), after the plant equipment of piling is positioned on working platform, utilizes water pocket and air cushion balance floating box type operation platform again.
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| CN201410104311.2A CN103835240A (en) | 2014-03-20 | 2014-03-20 | Buoyancy tank type deepwater pile group bridge abutment construction platform and construction method thereof |
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| CN201410104311.2A CN103835240A (en) | 2014-03-20 | 2014-03-20 | Buoyancy tank type deepwater pile group bridge abutment construction platform and construction method thereof |
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| CN103835240A true CN103835240A (en) | 2014-06-04 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109208480A (en) * | 2018-09-10 | 2019-01-15 | 沙焕焕 | Waters pile-driving method and waters pile driving equipment |
| CN112112072A (en) * | 2020-05-27 | 2020-12-22 | 浙江新中源建设有限公司 | A municipal bridge engineering construction platform |
| CN112538852A (en) * | 2020-11-30 | 2021-03-23 | 湖北工建基础设施建设有限公司 | Construction method of deepwater bored pile for thin covering layer |
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Application publication date: 20140604 |