CN113846567A - Method for quickly constructing underwater pile-column type foundation of bridge - Google Patents
Method for quickly constructing underwater pile-column type foundation of bridge Download PDFInfo
- Publication number
- CN113846567A CN113846567A CN202111200709.2A CN202111200709A CN113846567A CN 113846567 A CN113846567 A CN 113846567A CN 202111200709 A CN202111200709 A CN 202111200709A CN 113846567 A CN113846567 A CN 113846567A
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- cofferdam
- hanging box
- drilling platform
- box cofferdam
- pile
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- 238000000034 method Methods 0.000 title claims abstract description 19
- 238000005553 drilling Methods 0.000 claims abstract description 64
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 61
- 239000010959 steel Substances 0.000 claims abstract description 61
- 238000010276 construction Methods 0.000 claims abstract description 34
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 22
- 239000000725 suspension Substances 0.000 claims abstract description 16
- 239000000463 material Substances 0.000 claims abstract description 7
- 210000002105 tongue Anatomy 0.000 claims description 6
- 230000000903 blocking effect Effects 0.000 claims description 3
- 238000011065 in-situ storage Methods 0.000 claims description 3
- 238000005086 pumping Methods 0.000 claims description 3
- 238000004064 recycling Methods 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 238000009435 building construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D19/00—Keeping dry foundation sites or other areas in the ground
- E02D19/02—Restraining of open water
- E02D19/04—Restraining of open water by coffer-dams, e.g. made of sheet piles
-
- 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
- E21B15/00—Supports for the drilling machine, e.g. derricks or masts
- E21B15/02—Supports for the drilling machine, e.g. derricks or masts specially adapted for underwater drilling
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- Structural Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Civil Engineering (AREA)
- Architecture (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- Paleontology (AREA)
- Geochemistry & Mineralogy (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention discloses a method for quickly constructing a pile-type foundation in bridge water, which is characterized in that a longitudinal beam of a hanging box cofferdam used in the method consists of a walkway beam of a drilling platform, and a bottom plate of the hanging box cofferdam consists of a panel of the drilling platform, so that the material reuse is realized; the steel suspension box cofferdam is prefabricated integrally, and the bottom die is bolted in sub-modules, so that the construction and the disassembly after the construction are convenient; the side plates and part of the bottom plate of the cofferdam of the hanging box can be recycled, the side plates and the part of the bottom plate can be repeatedly used in the same project, and the cost is saved. In addition, the traditional cofferdam construction occupies a large area, influences the navigation of a water area and causes resistance to the flow of water flow; the novel rapid construction method for the pile-type foundation in the bridge water has the advantages of small occupied area, convenience in construction, furthest reduction in the influence on navigation and cost reduction. The invention has the advantages that: the problems that the drilling platform needs to be dismantled, the construction period is long, the construction cost is high, the cofferdam structure is difficult to recycle and the like in the traditional cofferdam method are solved.
Description
Technical Field
The invention belongs to the technical field of building construction, and particularly relates to a method for quickly constructing an underwater pile type foundation of a bridge.
Background
In the construction of conventional small and medium span bridges, because of clear stress, pile pier is generally adopted as a lower structure of the bridge, and in the design of the bridge pile pier, in order to improve the stability of a pile body (a column body), a tie beam is arranged between piles (between columns). When the bridge pile foundation is constructed, a drilling platform is required to carry out auxiliary construction. In the construction of tie beams, particularly in water, larsen steel sheet pile cofferdams or steel suspension box cofferdams are generally adopted. For the underwater pile-column type foundation, a drilling platform is generally adopted for constructing a drilling cast-in-place pile, then the drilling platform is dismantled after cofferdam, and a tie beam and a pier column between piles (between columns) are constructed, so that the construction period is long, the construction cost is high, and the cofferdam structure is difficult to recycle. Therefore, a method for rapidly constructing the pile-column type foundation in the water of the bridge by using the drilling platform is urgently needed.
Disclosure of Invention
The invention aims to provide a method for quickly constructing a pile-column foundation in the water of a bridge according to the defects of the prior art, the longitudinal beam of the hanging box cofferdam used in the method consists of a walkway beam of a drilling platform, and the bottom plate of the hanging box cofferdam consists of a panel of the drilling platform, so that the material reuse is realized; the steel suspension box cofferdam is prefabricated integrally, and the bottom die is bolted in sub-modules, so that the construction and the disassembly after the construction are convenient; the side plates and part of the bottom plate of the cofferdam of the hanging box can be recycled, the side plates and the part of the bottom plate can be repeatedly used in the same project, and the cost is saved.
The purpose of the invention is realized by the following technical scheme:
a method for quickly constructing a pile-column type foundation in bridge water is characterized by comprising the following steps:
(1) the method comprises the following steps that a reserved hole is formed in the upper end portion of a steel pipe pile, a bracket is welded on the outer wall surface, corresponding to the reserved hole, of the steel pipe pile, a socket distribution beam is inserted into the reserved hole of each two adjacent steel pipe piles, the socket distribution beam and the bracket are screwed and fixed through bolts, a drilling platform longitudinal beam is arranged above the socket distribution beam, a drilling platform panel is arranged on the drilling platform longitudinal beam, and the drilling platform panel, the drilling platform longitudinal beam and the socket distribution beam jointly form a drilling platform;
(2) arranging a drilling machine above the drilling platform, and constructing a cast-in-situ bored pile downwards through a preset circular hole on a panel of the drilling platform by using the drilling machine;
(3) the drilling platform longitudinal beam is used as a hanging box cofferdam longitudinal beam in an inverted mode, the drilling platform panel is used as a hanging box cofferdam bottom plate in an inverted mode, and a hanging box cofferdam side plate, a hanging box cofferdam ring beam and a hanging box cofferdam supporting beam are assembled on the drilling platform on the inverted hanging box cofferdam bottom plate to form a hanging box cofferdam; meanwhile, installing an extension steel pipe column on the original steel pipe pile, and welding a pile top beam on the top of the extension steel pipe column;
(4) installing a lowering system on the pile top beam, lifting the hanging box cofferdam, unfastening the bolts between the socket distribution beams and the brackets, and drawing out the socket distribution beams from the holes of the steel pipe piles to leave a space for lowering the hanging box cofferdam;
(5) lowering the suspension box cofferdam to a proper position by using the lowering system, restoring the socket distribution beam from the hole of the steel pipe pile, fixing the socket distribution beam on the steel pipe pile by using the bolt again, and fixing the suspension box cofferdam on the socket distribution beam by using the hanging strip;
(6) and (4) installing a steel cofferdam water stop device, pumping water in the hanging box cofferdam, then erecting a mould, and pouring a tie beam.
After the tie beam construction is finished, firstly, the connection between the hanging box cofferdam side plate and the hanging box cofferdam longitudinal beam is unfastened, the hanging box cofferdam side plate is hung away by the lowering system, a diver turns off the deformed steel bar for tongue-and-groove connection of the hanging box cofferdam bottom plate under water to realize the blocking of the hanging box cofferdam bottom plate, and the lowering system is used for hanging away the drilling platform panel to realize the recycling of the hanging box cofferdam material.
The drilling platform panel comprises a panel with holes and a panel without holes, the panel with holes and the panel without holes are connected through tongues and grooves, and the tongues and the grooves are aligned and fixed through finish-rolled deformed steel bars in a counter-pulling mode.
And (4) hoisting the hanging box cofferdam by using a steel strand or finish rolling deformed steel bar.
And (5) fixing the socket distribution beam on the steel pipe pile by using bolts again, specifically: inserting the socket distribution beam into the reserved hole in the steel pipe pile, and then screwing and fixing the socket distribution beam and the bracket by bolts.
The invention has the advantages that:
(1) the traditional cofferdam construction occupies a large area, influences the navigation of a water area and causes resistance to the flow of water flow; the novel rapid construction method for the pile foundation in the bridge water has the advantages of small occupied area, convenience in construction, reduction of influence on navigation to the maximum extent and reduction of cost.
(2) The longitudinal beam of the hanging box cofferdam is composed of the walkway beams of the drilling platform, and the bottom plate of the hanging box cofferdam is composed of the panel of the drilling platform, so that the material reuse is realized.
(3) The steel suspension box cofferdam is integrally prefabricated, the bottom die is bolted in sub-modules, and the cofferdam is convenient to disassemble after construction. The side plates and part of the bottom plate of the cofferdam of the hanging box can be recycled, the side plates and the part of the bottom plate can be repeatedly used in the same project, and the cost is saved.
Drawings
FIG. 1 is a schematic structural view of a drilling platform built before construction of the hanging box cofferdam of the invention;
FIG. 2 is an elevational view of the construction of the bell and spigot type distributor beam of the present invention;
FIG. 3 is a side view of the installation of the spigot and socket distributor beam construction of the present invention;
FIG. 4 is a plan view of the installation of the spigot and socket distributor beam construction of the present invention;
FIG. 5 is an exploded view of the drill floor panel construction of the present invention;
FIG. 6 is an overall view of a drilling platform panel construction of the present invention;
FIG. 7 is a schematic view of a tongue-and-groove joint of a drilling platform panel according to the present invention;
FIG. 8 is a structural diagram of the steel suspension box cofferdam of the present invention;
FIG. 9 is an elevation view of a steel suspension box cofferdam construction before lowering in the invention;
FIG. 10 is a top view of a steel suspension box cofferdam construction before lowering in accordance with the present invention;
FIG. 11 is an elevation view of a cofferdam construction of the steel suspension box after lowering the cofferdam of the invention;
FIG. 12 is a top view of the cofferdam construction of the steel suspension box after lowering the steel suspension box of the present invention;
fig. 13 is a plan view of the tie beam of the present invention after it has been cast.
Detailed Description
The features of the present invention and other related features are described in further detail below by way of example in conjunction with the following drawings to facilitate understanding by those skilled in the art:
referring to fig. 1-13, the symbols in the drawings are: the device comprises a drilling platform panel 1, a drilling platform longitudinal beam 2, a socket distribution beam 3, a bracket 4, a bolt 5, a non-perforated panel 6, a perforated panel 7, an elongated steel pipe column 8, a pile top cross beam 9, a hanging box cofferdam supporting beam 10, a hanging box cofferdam ring beam 11, a hanging box cofferdam side plate 12, a lowering system 13 and a hanging strip 14.
Example (b): as shown in fig. 1 to 13, the embodiment specifically relates to a method for quickly constructing a pile-column type foundation in water of a bridge, which includes:
(1) before the construction of the hanging box cofferdam, a drilling platform is built, the drilling platform comprises a drilling platform panel 1, a drilling platform longitudinal beam 2 and a socket distribution beam 3, and the structure of the drilling platform is shown in figure 1. Holes are reserved in the steel pipe piles before the socket distribution beams 3 are constructed, brackets 4 are welded to the steel pipe piles, the socket distribution beams 3 are inserted into the holes reserved in the steel pipe piles, and then the socket distribution beams 3 and the brackets 4 are screwed and fixed through bolts 5, as shown in fig. 2-4.
The drilling platform panel 1 comprises a panel 7 with holes and a panel 6 without holes, the panel 7 with holes and the panel 6 without holes are connected by adopting grooves and tongues, and the grooves and tongues are aligned and then fixed by adopting finish-rolled deformed steel bars in a counter-pulling way, as shown in figures 5, 6 and 7;
in addition, the drilling platform panel 1 can be used as a hanging box cofferdam bottom plate in the later stage, the drilling platform longitudinal beam 2 adopts I-steel or other steel beams, and the drilling platform longitudinal beam 2 can be used as a longitudinal beam of a hanging box bottom die in the later stage, so that the material can be used reversely.
(2) A drilling machine is arranged on the drilling platform, and a cast-in-situ bored pile is constructed;
(3) the drilling platform longitudinal beam 2 is used as a hanging box cofferdam longitudinal beam in an inverted mode, the drilling platform panel 1 is used as a hanging box cofferdam bottom plate in an inverted mode, and a hanging box cofferdam side plate 12, a hanging box cofferdam ring beam 11 and a hanging box cofferdam supporting beam 10 are well assembled on the inverted hanging box cofferdam bottom plate on the drilling platform to form a hanging box cofferdam; meanwhile, an elongated steel pipe column 8 is installed on the original steel pipe pile, a pile top beam 9 is welded on the top of the elongated steel pipe column 8, and the structural schematic diagram of the construction step is shown in fig. 8;
(4) installing a lowering system 13 on a pile top cross beam 9, hoisting the hanging box cofferdam formed in the step (3) by using a steel strand or finish-rolled deformed steel bar, unfastening bolts 5 between the socket distribution beams 3 and the brackets 4, drawing out the socket distribution beams 3 from holes of the steel pipe pile to leave a space for lowering the hanging box cofferdam, wherein the structural schematic diagram of the construction step is shown in fig. 9 and 10;
(5) lowering the suspension box cofferdam to a proper position by using a lowering system 13, restoring the socket distribution beam 3 from the hole of the steel pipe pile, fixing the socket distribution beam 3 on the steel pipe pile by using a bolt 5 again (specifically, welding a bracket on the steel pipe pile, inserting the socket distribution beam 3 into the reserved hole on the steel pipe pile, then screwing and fixing the socket distribution beam 3 and the bracket 4 by using the bolt 5), and fixing the suspension box cofferdam on the socket distribution beam 3 by using a hanging strip 14; the installed cofferdam of the hanging box is shown in figures 11 and 12;
(6) installing a steel cofferdam water stop device, pumping water in the cofferdam of the hanging box, then erecting a mould, and pouring a tie beam as shown in figure 13;
and finally, after the beam tying construction is finished, firstly disconnecting the connection between the hanging box cofferdam side plate 12 and the hanging box cofferdam longitudinal beam (namely the drilling platform longitudinal beam 2), hoisting the hanging box cofferdam side plate 12 away by using the lowering system 13, unscrewing the hanging box cofferdam bottom plate (namely the drilling platform panel 1) by a diver from the water for tongue-and-groove connection, realizing the blocking of the hanging box cofferdam bottom plate, hoisting the drilling platform panel 1 away by using the lowering system 13, and realizing the recycling of the hanging box cofferdam material.
Claims (5)
1. A method for quickly constructing a pile-column type foundation in bridge water is characterized by comprising the following steps:
(1) the method comprises the following steps that a reserved hole is formed in the upper end portion of a steel pipe pile, a bracket is welded on the outer wall surface, corresponding to the reserved hole, of the steel pipe pile, a socket distribution beam is inserted into the reserved hole of two adjacent steel pipe piles and is screwed and fixed with the bracket through a bolt, a drilling platform longitudinal beam is arranged above the socket distribution beam, a drilling platform panel is arranged on the drilling platform longitudinal beam, and the drilling platform panel, the drilling platform longitudinal beam and the socket distribution beam jointly form a drilling platform;
(2) arranging a drilling machine above the drilling platform, and constructing a cast-in-situ bored pile downwards through a preset circular hole on a panel of the drilling platform by using the drilling machine;
(3) the drilling platform longitudinal beam is used as a hanging box cofferdam longitudinal beam in an inverted mode, the drilling platform panel is used as a hanging box cofferdam bottom plate in an inverted mode, and a hanging box cofferdam side plate, a hanging box cofferdam ring beam and a hanging box cofferdam supporting beam are assembled on the drilling platform on the inverted hanging box cofferdam bottom plate to form a hanging box cofferdam; meanwhile, installing an extension steel pipe column on the original steel pipe pile, and welding a pile top beam on the top of the extension steel pipe column;
(4) installing a lowering system on the pile top beam, lifting the hanging box cofferdam, unfastening the bolts between the socket distribution beams and the brackets, and drawing out the socket distribution beams from the holes of the steel pipe piles to leave a space for lowering the hanging box cofferdam;
(5) lowering the suspension box cofferdam to a proper position by using the lowering system, restoring the socket distribution beam from the hole of the steel pipe pile, fixing the socket distribution beam on the steel pipe pile by using the bolt again, and fixing the suspension box cofferdam on the socket distribution beam by using the hanging strip;
(6) and (4) installing a steel cofferdam water stop device, pumping water in the hanging box cofferdam, then erecting a mould, and pouring a tie beam.
2. The method for rapidly constructing the underwater pile column type foundation of the bridge as claimed in claim 1, wherein after the construction of the tie beam is completed, the connection between the hanging box cofferdam side plate and the hanging box cofferdam longitudinal beam is firstly released, the hanging box cofferdam side plate is hung away by the lowering system, a screw steel used for tongue-and-groove connection of the hanging box cofferdam bottom plate is unscrewed from the water by a diver to realize the blocking of the hanging box cofferdam bottom plate, and the drilling platform panel is hung away by the lowering system to realize the recycling of the hanging box cofferdam material.
3. The method of claim 1, wherein the panels of the drilling platform comprise perforated panels and non-perforated panels, the perforated panels and the non-perforated panels are connected by means of grooves and tongues, and the grooves and tongues are aligned and fixed by means of finish-rolled deformed steel bars in a counter-pulling manner.
4. The method for rapidly constructing the underwater pile-column foundation of the bridge according to claim 1, wherein in the step (4), the cofferdam of the hanging box is hoisted by using a steel strand or finish-rolled deformed steel bar.
5. The method for rapidly constructing the underwater pile-column foundation of the bridge according to claim 1, wherein in the step (5), the socket distribution beam is fixed on the steel pipe pile by using bolts again, and specifically, the method comprises the following steps: inserting the socket distribution beam into the reserved hole in the steel pipe pile, and then screwing and fixing the socket distribution beam and the bracket by bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111200709.2A CN113846567B (en) | 2021-10-15 | 2021-10-15 | Method for quickly constructing underwater pile-column type foundation of bridge |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111200709.2A CN113846567B (en) | 2021-10-15 | 2021-10-15 | Method for quickly constructing underwater pile-column type foundation of bridge |
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| Publication Number | Publication Date |
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| CN113846567A true CN113846567A (en) | 2021-12-28 |
| CN113846567B CN113846567B (en) | 2023-02-21 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114892698A (en) * | 2022-06-13 | 2022-08-12 | 中交第二航务工程局有限公司 | Assembly type template for asymmetric double-inclined-pile cast-in-place bearing platform and construction method |
| CN115492141A (en) * | 2022-10-21 | 2022-12-20 | 中铁二院工程集团有限责任公司 | Steel suspension box cofferdam structure and bottom plate and construction method thereof |
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| CN113216231A (en) * | 2021-04-28 | 2021-08-06 | 湖南常德路桥建设集团有限公司 | Hanging box cofferdam structure and deepwater bearing platform construction method applying same |
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2021
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Patent Citations (6)
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| CN101775809A (en) * | 2010-01-15 | 2010-07-14 | 中铁大桥局集团第五工程有限公司 | Construction method of marine self-floating type steel soleplate single-wall suspension box cofferdam and single-wall suspension box cofferdam |
| JP2015014157A (en) * | 2013-07-05 | 2015-01-22 | 株式会社横山基礎工事 | Pier construction method |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114892698A (en) * | 2022-06-13 | 2022-08-12 | 中交第二航务工程局有限公司 | Assembly type template for asymmetric double-inclined-pile cast-in-place bearing platform and construction method |
| CN114892698B (en) * | 2022-06-13 | 2024-05-17 | 中国海洋大学 | Assembled template for asymmetric double-inclined-pile cast-in-situ bearing platform and construction method |
| CN115492141A (en) * | 2022-10-21 | 2022-12-20 | 中铁二院工程集团有限责任公司 | Steel suspension box cofferdam structure and bottom plate and construction method thereof |
| CN115492141B (en) * | 2022-10-21 | 2024-01-30 | 中铁二院工程集团有限责任公司 | Steel suspended box cofferdam structure, bottom plate thereof and construction method |
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| CN113846567B (en) | 2023-02-21 |
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