CN211735477U - A tower crane foundation structure for bridge tower construction - Google Patents
A tower crane foundation structure for bridge tower construction Download PDFInfo
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- CN211735477U CN211735477U CN201922201679.1U CN201922201679U CN211735477U CN 211735477 U CN211735477 U CN 211735477U CN 201922201679 U CN201922201679 U CN 201922201679U CN 211735477 U CN211735477 U CN 211735477U
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Abstract
The utility model discloses a tower crane foundation structure for bridge tower construction, which comprises two composite steel pipe piles arranged on the top surface of a bearing platform at intervals in the front and back, wherein the bottom surfaces of the two composite steel pipe piles are respectively welded and fixed with embedded parts embedded in the bearing platform, a connecting steel plate is respectively welded and fixed on the top surfaces of the two composite steel pipe piles, three steel pipe piles are driven into the seabed at the outer side of the permanent anti-collision steel sleeve box at intervals, a rectangular steel plate is welded and fixed on the top surfaces of the three steel pipe piles, a pile top cross beam is fixed at the tops of the three rectangular steel plates, one ends of two supporting longitudinal beams are respectively arranged on connecting steel plates of the composite steel pipe piles correspondingly arranged and are welded and fixed with the connecting steel plates, the other ends of the two supporting longitudinal beams are arranged on the pile top cross beam and are welded and fixed with the pile top cross beam, and a steel pipe support arranged along the horizontal direction is adopted between the two supporting longitudinal beams on one side of the composite steel pipe piles to be connected and fixed. This structure has accelerated open sea tower crane installation rate.
Description
Technical Field
The utility model relates to a tower crane foundation structure, in particular to tower crane foundation structure for bridge tower construction.
Background
The tower crane is one of the indispensable operation machines in the construction of cable-stay bridge tower, and the tower crane basis is the important bearing structure of tower crane setting up and operation. The traditional tower crane foundation generally adopts a reinforced concrete structure foundation, needs to set up a concrete pile foundation and an independent bearing platform, and has high construction cost, complex process and long construction period. The construction environment of the outer-sea cable-stayed bridge tower is complex, the wind wave is large, the weather is variable, the installation position of the bridge tower crane is limited, and the foundation part needs to be installed outside the permanent anti-collision steel sleeve box bearing platform, namely on the sea surface, which are difficult problems of offshore site construction. In order to meet the hoisting requirements of material equipment for high-bridge tower construction, a tower crane foundation which is convenient to install, quick, simple, low in construction cost and short in construction period is urgently needed.
Disclosure of Invention
An object of the utility model is to overcome prior art's shortcoming, provide a tower crane foundation structure for bridge tower construction of simple to operate, swift simple, security height.
The technical scheme adopted for solving the technical problems is as follows:
the utility model relates to a tower crane foundation structure for bridge tower construction, including two composite steel pipe piles arranged on the top surface of a bearing platform at intervals from front to back, C30 concrete is poured in the composite steel pipe piles, the bottom surfaces of the two composite steel pipe piles are respectively welded and fixed with embedded parts embedded in the bearing platform, stiffening ribs are welded and fixed between the bottom side walls of the two composite steel pipe piles and the embedded parts correspondingly connected, a connecting steel plate is respectively welded and fixed on the top surfaces of the two composite steel pipe piles, three steel pipe piles arranged at intervals from front to back are driven into a seabed outside a permanent anti-collision steel sleeve box, a rectangular steel plate is welded and fixed on the top surfaces of the three steel pipe piles, each rectangular steel plate is welded and fixed with the steel pipe pile through the stiffening ribs, a pile top beam is fixed on the tops of the three rectangular steel plates, and stiffening ribs are welded and arranged between the pile top beam and the three rectangular steel plates, the connection system structure that sets up through interval from top to bottom between two adjacent steel-pipe pile aquatic parts is fixed continuous, the one end of two spinal branch props the longeron and arranges respectively in correspond the composite steel-pipe pile's that sets up on the connecting steel plate and with connecting steel plate welded fastening, the other end of two spinal branch props the longeron and arranges in on the pile head crossbeam and both welded fastening, two spinal branch props longeron and pile head crossbeam, respectively through stiffening rib welded fastening between the side of the connecting steel plate on the composite steel-pipe pile, the steel pipe that adopts to set up along the horizontal direction between the two spinal branch props the longeron that are located composite steel-pipe pile one side props and connects fixedly, it has the first section.
The utility model has the advantages that:
this structural design is reasonable, and simple structure has accelerated open sea tower crane installation rate, has saved open sea tower crane foundation construction cost. Although part of the tower crane foundation extends out of the bearing platform, the steel pipe piles, the pile-to-pile connection system and the pile top stiffening ribs which are accurately positioned stabilize the foundation structure on the sea surface, and the safety of the tower crane installation operation is guaranteed. The ingenious design of compound steel-pipe pile has avoided the tower crane basis to the extrusion deformation of permanent crashproof steel jacket case, is favorable to the protection and the durability of marine permanent structure thing.
Drawings
FIG. 1 is a plan view of a tower crane foundation structure for bridge tower construction;
FIG. 2 is a cross-sectional view C-C of the structure shown in FIG. 1;
FIG. 3 is a cross-sectional view B-B of the structure shown in FIG. 1;
FIG. 4-1 is a diagram of a pile top beam configuration;
FIG. 4-2 is a view of the structure of the support stringer;
FIG. 5 is a cross-sectional view A-A of the structure shown in FIG. 1;
fig. 6 is a plan view of the composite steel-pipe pile shown in fig. 1.
Detailed Description
The patent is described in detail below with reference to the figures and the specific embodiments.
The utility model discloses a novel tower crane foundation structure for bridge tower construction for set up fast and accomplish marine tower crane, for bridge tower construction hoisting material equipment.
The tower crane foundation structure for bridge tower construction comprises two composite steel pipe piles 3 arranged on the top surface of a bearing platform 1 at intervals in the front and back, C30 concrete is poured in the composite steel pipe piles 3, the bottom surfaces of the two composite steel pipe piles 3 are respectively welded and fixed with embedded parts 13 embedded in the bearing platform 1, stiffening ribs are welded and fixed between the side walls of the bottoms of the two composite steel pipe piles 3 and the embedded parts 13 correspondingly connected, and a connecting steel plate is respectively welded and fixed on the top surfaces of the two composite steel pipe piles 3. Three steel-pipe piles arranged at intervals in the front and back are driven into the seabed outside the permanent anti-collision steel sleeve box 2, a rectangular steel plate is fixedly welded on the top surfaces of the three steel-pipe piles 4, each rectangular steel plate and the steel-pipe pile 4 are fixedly welded through a stiffening rib 8, a pile top beam 5 is fixed at the tops of the three rectangular steel plates, and the stiffening ribs 8 are welded between the pile top beam 5 and the three rectangular steel plates. The water parts of two adjacent steel pipe piles 4 are fixedly connected through a connecting system structure 9 arranged at an upper interval and a lower interval, so that the steel pipe piles are prevented from deviating and shaking.
One ends of the two supporting longitudinal beams 6 are respectively arranged on the connecting steel plates of the corresponding composite steel pipe piles 3 and are welded and fixed with the connecting steel plates, and the other ends of the two supporting longitudinal beams 6 are arranged on the pile top cross beam 5 and are welded and fixed with the pile top cross beam 5. The two support longitudinal beams 6, the pile top cross beam 5 and the side face of the connecting steel plate on the composite steel pipe pile 3 are respectively welded and fixed through the stiffening ribs 8.
The two support longitudinal beams 6 positioned on one side of the composite steel pipe pile 3 are fixedly connected through the steel pipe support 7 arranged along the horizontal direction, and the steel pipe support 7 is the same as the connecting system structure 9 in section size and used for improving the stability between the two longitudinal beams 6.
The top of one side, close to the steel pipe pile, of each of the two support longitudinal beams 6 is welded with a first section of the upper structure of the tower crane 10.
The construction steps of the structure are as follows:
(1) when the top surface concrete of the bearing platform 1 is constructed, the embedded part 13 and the reinforcing steel bars are poured together according to the designed position.
(2) The composite steel pipe pile 3 is welded and fixed with the rectangular embedded part 13, and meanwhile, the stiffening rib 8 is fixed at the joint of the outer wall of the bottom of the composite steel pipe pile and the embedded part 13.
(3) C30 concrete is poured into the composite steel pipe pile 3, and water is sprayed to maintain the composite steel pipe pile to the designed strength. And a rectangular steel plate is welded at the top of the composite steel pipe pile 3.
(4) The pile driving boat is towed to a designated place by a tugboat according to data displayed by a GPS-RTK positioning system, and the anchoring boat is matched with the pile driving boat for anchoring and parking position coarse positioning. The barge provided with the steel pipe pile 4 is put in place near a pile driving boat, and the pile driving boat completes the accurate sinking driving of the steel pipe pile 4 through the steps of boat moving, pile lifting, pile erecting, pile driving, hammer stopping, boat moving and the like.
(5) And after pile sinking is finished, welding connection system structures 9 on the water part between the adjacent steel pipe piles 4 every 3 m. A rectangular steel plate is horizontally welded on the upper portion of the pile top of the steel pipe pile 4, stiffening ribs 8 are evenly arranged on the side wall of the pile top, and the stiffening ribs 8 are welded with the rectangular steel plate and the steel pipe pile 4 simultaneously. Pile top beams 5 are laid on the rectangular steel plates, and the side faces are welded and fixed through stiffening ribs.
(6) The crane lifts the support longitudinal beam 6, spans the anti-collision steel sleeve box, one end of the anti-collision steel sleeve box is erected on the pile top cross beam 5, and the other end of the anti-collision steel sleeve box is arranged on the composite steel pipe pile 3 pile top connecting steel plate. The support longitudinal beam 6 is directly welded with the pile top beam 5 and the contact surface of the connecting steel plate on the composite steel pipe pile 3, and the side surface is welded and fixed through the stiffening rib 8.
(7) And a steel pipe support 7 is welded between the two support longitudinal beams 6 to fix the support longitudinal beams.
(8) The first section of the upper structure of the tower crane 10 is welded at the top of the support longitudinal beam 6, and the tower crane is erected and installed.
The above description is only a preferred embodiment of the present invention and should not be taken as limiting the invention, and any modifications, equivalents, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (3)
1. The utility model provides a tower crane foundation structure for bridge tower construction which characterized in that: comprises two composite steel pipe piles which are arranged on the top surface of a bearing platform at intervals, C30 concrete is poured in the composite steel pipe piles, the bottom surfaces of the two composite steel pipe piles are respectively welded and fixed with embedded parts embedded in the bearing platform, stiffening ribs are welded and fixed between the bottom side walls of the two composite steel pipe piles and the embedded parts which are correspondingly connected, a connecting steel plate is respectively welded and fixed on the top surfaces of the two composite steel pipe piles, the three steel pipe piles which are arranged at intervals are driven into the seabed outside the permanent anti-collision steel sleeve box, the top surfaces of the three steel pipe piles are fixedly welded with a rectangular steel plate, each rectangular steel plate and the steel pipe pile are fixedly welded through a stiffening rib, a pile top beam is fixed at the top of the three rectangular steel plates, the stiffening ribs are welded between the pile top beam and the three rectangular steel plates, and the upper parts of the two adjacent steel pipe piles are fixedly connected through a connecting system structure which is arranged at an upper interval and a lower interval; one end of each of the two support longitudinal beams is respectively arranged on the connecting steel plate of the corresponding composite steel pipe pile and is welded and fixed with the connecting steel plate, the other end of each of the two support longitudinal beams is arranged on the pile top cross beam and is welded and fixed with the pile top cross beam, and the two support longitudinal beams are respectively welded and fixed with the pile top cross beam and the side surface of the connecting steel plate on the composite steel pipe pile through stiffening ribs; the two support longitudinal beams on one side of the composite steel pipe pile are connected and fixed through steel pipe supports arranged in the horizontal direction, and a first section of the upper structure of the tower crane is welded on the top of one side, close to the steel pipe pile, of the two support longitudinal beams.
2. The tower crane foundation structure for bridge tower construction according to claim 1, wherein: pile bolck crossbeam and support longeron all include the multichannel vertical separators that parallel interval set up each other, and welded fastening has the multichannel cross slab to constitute whole roof beam between adjacent two vertical separators.
3. The tower crane foundation structure for bridge tower construction according to claim 1 or 2, wherein: the steel pipe support and the connecting system have the same cross section size.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922201679.1U CN211735477U (en) | 2019-12-10 | 2019-12-10 | A tower crane foundation structure for bridge tower construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922201679.1U CN211735477U (en) | 2019-12-10 | 2019-12-10 | A tower crane foundation structure for bridge tower construction |
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| Publication Number | Publication Date |
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| CN211735477U true CN211735477U (en) | 2020-10-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201922201679.1U Active CN211735477U (en) | 2019-12-10 | 2019-12-10 | A tower crane foundation structure for bridge tower construction |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113737842A (en) * | 2021-09-16 | 2021-12-03 | 中交路桥华东工程有限公司 | Foundation structure for offshore crane and construction method thereof |
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2019
- 2019-12-10 CN CN201922201679.1U patent/CN211735477U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113737842A (en) * | 2021-09-16 | 2021-12-03 | 中交路桥华东工程有限公司 | Foundation structure for offshore crane and construction method thereof |
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