CN217536716U - Bridge owner mound cushion cap construction structures - Google Patents
Bridge owner mound cushion cap construction structures Download PDFInfo
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- CN217536716U CN217536716U CN202221655802.2U CN202221655802U CN217536716U CN 217536716 U CN217536716 U CN 217536716U CN 202221655802 U CN202221655802 U CN 202221655802U CN 217536716 U CN217536716 U CN 217536716U
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- pile cofferdam
- secant pile
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Abstract
The utility model discloses a bridge owner mound cushion cap construction structures, including two square cushion caps that lay along the bridge axis symmetry, set up in two square cushion cap week sides and be located the secant pile cofferdam that faces the river side and be located the barricade that faces the mountain side, the secant pile cofferdam includes two minor face secant piles cofferdam sections and a long limit secant pile cofferdam section, the barricade is parallel with long limit secant pile cofferdam section, the top of minor face secant pile cofferdam section is provided with the minor face guan liang, the top of long limit secant pile cofferdam section is provided with long limit guan liang, all be provided with a plurality of first vaulting poles between minor face guanliang and the barricade and between minor face guanliang and the long limit guanliang, be provided with a plurality of second vaulting poles between long limit guanliang and the barricade. The utility model discloses a both sides and the secant pile cofferdam of barricade need not be connected as an organic wholely, and secant pile cofferdam and barricade enclose to establish the cushion cap construction region who forms one and not be confined region, and the transportation of the material of being convenient for and equipment has reduced the degree of difficulty of filling pile foundation punching platform on the island is built to ton bag.
Description
Technical Field
The utility model belongs to the technical field of the bridge construction, concretely relates to bridge owner mound cushion cap construction structures.
Background
The bridge main pier bearing platform is a building structure for supporting a bridge span structure and transmitting constant load and vehicle live load to a foundation, and is arranged at the bottom of a bridge main pier. Because the bridge main pier bearing platform is generally poured at the water area of the riverbed, a closed area is generally defined on the water area through a foundation pit supporting structure for facilitating building construction, water and sludge in the closed area are cleaned to form a bridge main pier bearing platform foundation pit, and the foundation pit supporting structure is mainly formed by mutually engaging and connecting a plurality of concrete piles or steel sheet piles; however, the existing foundation pit supporting structure is difficult to adapt to a main pier bearing platform of a bridge constructed on a ton bag island, the ton bag island is formed by filling and compacting ton bags layer by layer, and then a stable island body side slope formed by slope protection is stacked by the ton bag stable slope toe and a gabion, so that a reliable pile foundation punching platform is difficult to form on the ton bag island by filling; therefore, a main pier bearing platform construction structure of the bridge applied to the ton bag island construction should be provided.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that lie in to above-mentioned prior art not enough, provide a bridge owner mound cushion cap construction structures, its simple structure, and reasonable design, the both sides of barricade need not be connected as an organic wholely with the secant pile cofferdam, secant pile cofferdam and barricade enclose establish the cushion cap construction zone who forms one and not confined region, when carrying out the construction of two square cushion caps in cushion cap construction zone intra-area, the transportation of the material and equipment of being convenient for has reduced the degree of difficulty of filling pile foundation punching platform on ton bag builds the island.
In order to solve the technical problem, the utility model discloses a technical scheme is: the utility model provides a bridge owner mound cushion cap construction structures which characterized in that: including two square cushion caps, the setting of laying along bridge axis symmetry all sides of square cushion cap just are located the secant pile cofferdam that faces the river side and are located the barricade that faces the mountain side, the below of square cushion cap is provided with a plurality of pile foundations of burying underground in the basement rock layer, the secant pile cofferdam includes that two parallels minor face secant piles laid enclose weir section and one is connected two the long limit secant pile cofferdam section of minor face secant pile cofferdam section one end, the barricade with long limit secant pile cofferdam section is parallel, the top of minor face secant pile enclosed weir section is provided with minor face guan liang, the top of long limit secant pile enclosed weir section is provided with long limit guan liang, the minor face guan with between the minor face guanliang with all be provided with a plurality of first vaulting poles between the long limit guanliang, long limit guanliang with be provided with a plurality of second vaulting poles between the barricade, the top surface of guanliang liang guanliang with the top surface of long limit guanliang liang with the top surface of barricade all builds the parallel and level with the top surface of ton bag island mutually.
Foretell bridge owner mound cushion cap construction structures, its characterized in that: the short-edge secant pile cofferdam section and the long-edge secant pile cofferdam section comprise a plurality of plain concrete piles and a plurality of reinforced concrete piles which are alternately arranged, and the plain concrete piles and the reinforced concrete piles are adjacent to each other and are of an occlusion structure.
Foretell bridge owner mound cushion cap construction structures, its characterized in that: the value range of the occlusion thickness L between the adjacent plain concrete pile and the reinforced concrete pile is 0.2-0.3 m, and the value range of the depth of the short side occluding pile cofferdam section and the long side occluding pile cofferdam section embedded into the bedrock layer is 2.5-3.0 m.
Foretell bridge owner mound cushion cap construction structures, its characterized in that: be provided with the concrete cushion between square cushion cap and a plurality of pile foundation, every the quantity of the pile foundation of square cushion cap below is 16, 16 the pile foundation is the matrix and lays.
Compared with the prior art, the utility model has the following advantage:
1. the utility model discloses a set up two square cushion caps that lay along bridge axis symmetry, and set up secant pile cofferdam and barricade in two square cushion cap week sides, and secant pile cofferdam is located and faces the river side, the barricade is located faces the mountain side, at this moment, secant pile cofferdam and barricade build the island at ton bag and form a stable supporting wall structure, in the time of the actual implementation, in view of the particularity of constructing bridge owner mound cushion cap on the island is built to the ton bag, the both sides of barricade need not be connected as an organic wholely with secant pile cofferdam, secant pile cofferdam and barricade enclose establish the cushion cap construction region that forms one and be not confined region, when carrying out the construction of two square cushion caps in cushion cap construction region, be convenient for the transportation of material and equipment, the degree of difficulty of filling pile foundation platform on the island is built to ton bag has been reduced.
2. The utility model discloses a top at minor face secant pile cofferdam section sets up minor face guan liang, top at long limit secant pile cofferdam section sets up long limit guan liang, between minor face guanliang and the barricade and all be provided with a plurality of first vaulting poles between minor face guanliang and the long limit guanliang, be provided with a plurality of second vaulting poles between long limit guanliang and the barricade, in the time of actual construction, a plurality of first vaulting poles and a plurality of second vaulting poles can be at the minor face guanliang, form a reinforced structure between long limit guanliang and the barricade three, can improve secant pile cofferdam and barricade, avoid secant pile cofferdam and barricade to appear to the phenomenon of being close to square cushion cap lopsidedness.
3. The utility model has the advantages of simple structure and reasonable design, construction safe and reliable, the facilitate promotion is used.
To sum up, the utility model has the advantages of simple structure and reasonable design, the both sides and the interlock pile cofferdam of barricade need not be connected as an organic wholely, and interlock pile cofferdam and barricade enclose to establish the cushion cap construction area who forms one and not confined region, when carrying out the construction of two square cushion caps in cushion cap construction area, the transportation of the material of being convenient for and equipment has reduced the degree of difficulty of filling pile foundation platform that punches a hole on ton bag is built the island.
The present invention will be described in further detail with reference to the accompanying drawings and examples.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a bottom view of fig. 1.
Fig. 3 isbase:Sub>A sectional viewbase:Sub>A-base:Sub>A of fig. 1.
Description of reference numerals:
1-a square bearing platform; 2-1, enclosing a weir segment by the short edge secant pile; 2-a long-side secant pile cofferdam section;
3, retaining wall; 4-pile foundation; 5-1-short side crown beam;
5-2-long-side crown beam; 6-concrete cushion; 7-a first brace bar;
8-a second brace rod; 9-plain concrete pile; 10-reinforced concrete pile;
11-a basal rock layer; 12-ton bags are used for building the island.
Detailed Description
As shown in fig. 1 and fig. 2, the utility model comprises two square bearing platforms 1 symmetrically arranged along the axis of the bridge, an occlusive pile cofferdam arranged at the periphery of the two square bearing platforms 1 and located at the side facing the river and a retaining wall 3 located at the side facing the mountain, a plurality of pile foundations 4 buried in a foundation layer 11 are arranged below the square bearing platforms 1, the occlusive pile cofferdam comprises two short side occlusive pile cofferdam sections 2-1 arranged in parallel and a long side occlusive pile cofferdam section 2-2 connected at one end of the two short side occlusive pile cofferdam sections 2-1, the retaining wall 3 is parallel to the long side occlusive pile cofferdam section 2-2, the top of minor face secant pile cofferdam section 2-1 is provided with minor face guan liang 5-1, the top of long limit secant pile cofferdam section 2-2 is provided with long limit guanliang 5-2, minor face guanliang 5-1 with between the barricade 3 and minor face guanliang 5-1 with all be provided with a plurality of first vaulting poles 7 between the long limit guanliang 5-2, long limit guanliang 5-2 with be provided with a plurality of second vaulting poles 8 between the barricade 3, the top surface of minor face guanliang 5-1, the top surface of long limit guanliang 5-2 with the top surface of barricade 3 all builds the top surface of island 12 with ton bag and is parallel and level mutually.
As shown in fig. 2, in this embodiment, two square bearing platforms 1 symmetrically arranged along the axis of the bridge are provided, and an occlusive pile cofferdam and a retaining wall 3 are provided around the two square bearing platforms 1, the occlusive pile cofferdam is located on the side close to the river, and the retaining wall 3 is located on the side close to the mountain, at this time, the occlusive pile cofferdam and the retaining wall 3 form a stable supporting wall structure in the ton bag island 12, during actual construction, in view of the specificity of constructing the bridge main pier bearing platform on the ton bag island 12, the two sides of the retaining wall 3 and the occlusive pile cofferdam do not need to be connected into a whole, the one bearing platform construction area formed by the occlusive pile cofferdam and the retaining wall 3 is not a closed area, when construction of the two square bearing platforms 1 is performed in the bearing platform construction area, the transportation of materials and equipment is facilitated, and the difficulty of filling the pile foundation punching platform on the ton bag island 12 is reduced.
In the embodiment, the short-edge crown beam 5-1 is arranged at the top end of the short-edge occlusive pile cofferdam section 2-1, the long-edge crown beam 5-2 is arranged at the top end of the long-edge occlusive pile cofferdam section 2-2, a plurality of first support rods 7 are arranged between the short-edge crown beam 5-1 and the retaining wall 3 and between the short-edge crown beam 5-1 and the long-edge crown beam 5-2, and a plurality of second support rods 8 are arranged between the long-edge crown beam 5-2 and the retaining wall 3, so that during actual construction, a reinforcing structure can be formed among the short-edge crown beam 5-1, the long-edge crown beam 5-2 and the retaining wall 3 by the plurality of first support rods 7 and the plurality of second support rods 8, the perpendicularity of the occlusive pile cofferdam and the retaining wall 3 can be improved, and the phenomenon that the occlusive pile cofferdam and the retaining wall 3 incline to one side close to the square cushion cap 1 is avoided.
As shown in fig. 1, in the present embodiment, a plurality of pile foundations 4 buried in a foundation layer 11 are provided below a square cap 1, and the plurality of pile foundations 4 form a stable support structure connected to the square cap 1 in the foundation layer 11.
As shown in fig. 3, in this embodiment, each of the short-side occlusive pile cofferdam section 2-1 and the long-side occlusive pile cofferdam section 2-2 includes a plurality of plain concrete piles 9 and a plurality of reinforced concrete piles 10 arranged at intervals, and an occlusive structure is formed between adjacent plain concrete piles 9 and adjacent reinforced concrete piles 10.
In this embodiment, the range of the occlusion thickness L between the adjacent plain concrete pile 9 and the adjacent reinforced concrete pile 10 is 0.2m to 0.3m, and the range of the depth of the short side occlusal pile cofferdam section 2-1 and the long side occlusal pile cofferdam section 2-2 embedded into the foundation layer 11 is 2.5m to 3.0m.
In this embodiment, be provided with concrete cushion 6 between square cushion cap 1 and a plurality of pile foundation 4, every the quantity of pile foundation 4 of square cushion cap 1 below is 16, 16 the pile foundation 4 is the matrix and lays.
In this embodiment, the height of the retaining wall 3 ranges from 2m to 3m.
As shown in fig. 1 and 2, during actual construction, firstly, construction of the ton bag island 12 needs to be performed, the ton bags are filled and compacted layer by layer, the stable slope toe of the ton bag and the gabion are piled up to form a stable island slope as a protection slope, and the height of the ton bag island 12 needs to be 1.5m higher than the highest water level of the river in the construction period; secondly, constructing a plurality of pile foundations 4; then, constructing an occlusive pile cofferdam and a retaining wall 3, and forming a supporting and installing space by utilizing two short-edge occlusive pile cofferdam sections 2-1, a long-edge occlusive pile cofferdam section 2-2 and the retaining wall 3 together, wherein in the process of constructing the occlusive pile cofferdam, before driving the occlusive pile, a fore shaft construction needs to be carried out, a fore shaft template is erected, and then, fore shaft pouring is carried out, so that the pile hole positions of a plain concrete pile 9 and a reinforced concrete pile 10 can be accurately positioned, meanwhile, the function of guiding a drilling bit can be played, and the function of protecting the hole opening of the pile hole can be played; and finally, constructing the short-side crown beam 5-1 and the long-side crown beam 5-2, and then constructing a plurality of first support rods 7 and a plurality of second support rods 8.
The above, only be the utility model discloses a preferred embodiment, it is not right the utility model discloses do any restriction, all according to the utility model discloses the technical entity all still belongs to any simple modification, change and the equivalent structure change of doing above embodiment the utility model discloses technical scheme's within the scope of protection.
Claims (4)
1. The utility model provides a bridge owner mound cushion cap construction structures which characterized in that: comprises two square bearing platforms (1) symmetrically arranged along the axis of a bridge, an secant pile cofferdam arranged on the peripheral sides of the two square bearing platforms (1) and positioned on the side facing the river and a retaining wall (3) positioned on the side facing the mountain, a plurality of pile foundations (4) buried in a foundation layer (11) are arranged below the square bearing platform (1), the secant pile cofferdam comprises two short side secant pile cofferdam sections (2-1) which are arranged in parallel and a long side secant pile cofferdam section (2-2) which is connected with one end of the two short side secant pile cofferdam sections (2-1), the retaining wall (3) is parallel to the long-edge secant pile cofferdam section (2-2), the top end of the short-edge secant pile cofferdam section (2-1) is provided with a short-edge crown beam (5-1), the top end of the long-edge secant pile cofferdam section (2-2) is provided with a long-edge crown beam (5-2), a plurality of first support rods (7) are arranged between the short-side crown beam (5-1) and the retaining wall (3) and between the short-side crown beam (5-1) and the long-side crown beam (5-2), a plurality of second support rods (8) are arranged between the long-edge crown beam (5-2) and the retaining wall (3), the top surface of the short side crown beam (5-1), the top surface of the long side crown beam (5-2) and the top surface of the retaining wall (3) are all level with the top surface of the ton bag building island (12).
2. The bridge main pier cap construction structure according to claim 1, wherein: the short-side secant pile cofferdam section (2-1) and the long-side secant pile cofferdam section (2-2) comprise a plurality of plain concrete piles (9) and a plurality of reinforced concrete piles (10) which are alternately arranged, and an occlusion structure is formed between the adjacent plain concrete piles (9) and the reinforced concrete piles (10).
3. The bridge main pier cap construction structure according to claim 2, wherein: the occlusion thickness L between the adjacent plain concrete pile (9) and the adjacent reinforced concrete pile (10) ranges from 0.2m to 0.3m, and the depth of the short side secant pile cofferdam section (2-1) and the long side secant pile cofferdam section (2-2) embedded into the foundation layer (11) ranges from 2.5m to 3.0m.
4. The bridge main pier cap construction structure according to claim 1, wherein: be provided with concrete cushion (6) between square cushion cap (1) and a plurality of pile foundation (4), every the quantity of pile foundation (4) of square cushion cap (1) below is 16, 16 pile foundation (4) are the matrix and lay.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221655802.2U CN217536716U (en) | 2022-06-29 | 2022-06-29 | Bridge owner mound cushion cap construction structures |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221655802.2U CN217536716U (en) | 2022-06-29 | 2022-06-29 | Bridge owner mound cushion cap construction structures |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217536716U true CN217536716U (en) | 2022-10-04 |
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ID=83421444
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221655802.2U Active CN217536716U (en) | 2022-06-29 | 2022-06-29 | Bridge owner mound cushion cap construction structures |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217536716U (en) |
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2022
- 2022-06-29 CN CN202221655802.2U patent/CN217536716U/en active Active
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