CN212052282U - Integral abutment based on corrugated steel plate - Google Patents
Integral abutment based on corrugated steel plate Download PDFInfo
- Publication number
- CN212052282U CN212052282U CN202020191814.9U CN202020191814U CN212052282U CN 212052282 U CN212052282 U CN 212052282U CN 202020191814 U CN202020191814 U CN 202020191814U CN 212052282 U CN212052282 U CN 212052282U
- Authority
- CN
- China
- Prior art keywords
- corrugated steel
- plate
- abutment
- steel plate
- foundation
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Abstract
The utility model discloses an integral abutment based on corrugated steel plate, which comprises a box girder and a plurality of abutment foundations for supporting the box girder, wherein the box girder comprises a concrete top plate, a concrete bottom plate and a corrugated rigid web plate, and the corrugated rigid web plate is respectively connected with the concrete top plate and the concrete bottom plate; the corrugated steel web plate is connected with the abutment foundation through the corrugated steel plate group and/or the bottom end of the corrugated steel web plate directly extends downwards and is inserted into the pier, and the corrugated steel plate group comprises a plurality of mutually parallel corrugated steel plates. The construction method comprises the steps of manufacturing the corrugated steel web plate in a factory, constructing the foundation of the pile foundation and the abutment, constructing the corrugated steel plate, constructing the upper box girder segment of the abutment, constructing the end beam, constructing the combined box girder segment of the corrugated steel web plate, constructing the box girder closing segment and the like. The utility model provides a both have great vertical bearing capacity, have suitable horizontal displacement's integral abutment again.
Description
Technical Field
The utility model relates to a building engineering technical field especially relates to an integral abutment based on ripples folded steel board.
Background
The problems of damage and maintenance of the bridge expansion device always exist, after the multi-span bridge adopts a continuous structure, the expansion amount of the bridge abutment is increased, the requirement on the expansion device is higher, the damage is more prominent, and the significance of adopting a seamless bridge is increased.
In the existing integral abutment design, in order to reduce the condition that the longitudinal bridge expansion deformation of the upper structure is restrained by the abutment and the foundation thereof to generate larger additional stress in the structure, a flexible pile foundation is generally adopted to generate larger horizontal deformation to reduce the additional stress, but the flexible pile foundation needs to bear the horizontal force and the vertical force transmitted by the upper structure, and the stress condition is more complex and is unfavorable for the structure. How to enable the integral abutment to provide both larger vertical bearing capacity and appropriate horizontal displacement is an urgent technical problem to be solved in the field.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an integral abutment based on ripples steel sheet to solve the problem that above-mentioned prior art exists, make integral abutment both have great vertical bearing capacity, have suitable horizontal displacement again.
In order to achieve the above object, the utility model provides a following scheme:
the utility model provides an integral abutment based on corrugated steel plate, including a box girder and a plurality of abutment foundations for supporting the box girder, the box girder includes a concrete top plate, a concrete bottom plate and a corrugated rigid web plate, the corrugated rigid web plate is respectively connected with the concrete top plate and the concrete bottom plate; the corrugated steel web plate is connected with the bridge abutment foundation through a corrugated steel plate group and/or the bottom end of the corrugated steel web plate directly extends downwards and is inserted into a bridge pier, and the corrugated steel plate group comprises a plurality of mutually parallel corrugated steel plates.
Preferably, the box girder comprises at least two corrugated steel webs, and the corrugated steel webs are connected with the box girder concrete top plate and the box girder concrete bottom plate through perforated steel plates and/or welding nails to form the closed box girder.
Preferably, each corrugated steel web corresponds to one corrugated steel plate group, the bottom end of each corrugated steel web is connected with the top end of each corrugated steel plate in the corresponding corrugated steel plate group, and the bottom end of each corrugated steel plate is inserted into the top end of the bridge foundation; the depth of the corrugated steel plate embedded in the bridge abutment foundation is 0.5-2.0 m, when the top layer steel bar of the bridge abutment foundation is intersected with the corrugated steel plate, the corrugated steel plate is provided with a round hole, and the top layer steel bar penetrates through the round hole.
Preferably, the end of the corrugated steel web is connected with the bridge abutment foundation through the corrugated steel plate group, and the bottom end of the middle of the corrugated steel web extends downwards and is inserted into the bridge pier.
Preferably, the abutment foundation comprises a foundation and a bearing platform arranged on the foundation, the foundation is an enlarged foundation or a flexible pile foundation, and the corrugated steel plate and the corrugated rigid web plate are inserted into the bearing platform.
Preferably, the number of the sub-holes of the integral abutment is not less than two; the number of the piers is not less than 1 along the bridge direction, at least one pier is fixedly connected with the concrete bottom plate, and the other piers support the box girder through the support.
Preferably, a frame-type diaphragm plate is arranged at the end part of the concrete bottom plate; the end part of the corrugated steel web plate is provided with an end cross beam, and the end cross beam is connected with the concrete top plate and the corrugated steel web plates on two sides.
Preferably, a longitudinal main rib is arranged in the end beam, a round hole is formed in the intersection of the longitudinal main rib and the corrugated steel web, the longitudinal main rib penetrates through the round hole, and the diameter of the round hole is not less than 2.5 times of that of the longitudinal main rib.
Preferably, the corrugated steel plate of the abutment is provided with a vertical stiffening rib, and the stiffening rib is a plate rib or a T rib.
The utility model also provides a construction method of integral abutment based on ripples folded steel sheet, including following step:
(1) manufacturing a corrugated steel web plate in a factory: manufacturing a corrugated steel web and a bridge abutment corrugated steel plate in a factory, and forming round holes in the anchoring area for steel bars to pass through;
(2) pile foundation and abutment foundation construction, namely, firstly, carrying out pile foundation pore-forming construction, and adopting reinforced concrete to construct the pile foundation; binding abutment foundation reinforcing steel bars, erecting a template, and pouring abutment foundation concrete;
(3) construction of the corrugated steel plate: pre-burying a corrugated steel plate before pouring the abutment foundation concrete; the reinforcing steel bars on the abutment foundation penetrate through the corrugated steel plate to reserve round holes, so that the corrugated steel plate is fixedly connected with the abutment foundation;
(4) and (3) constructing the box girder sections on the upper part of the bridge abutment: installing supports on and near the abutment foundation, installing longitudinal and transverse square timbers on the supports, laying box girder bottom moulds on the longitudinal and transverse square timbers, binding hole box girder bottom plate common steel bars, pouring a concrete bottom plate and maintaining; installing a support on the box girder concrete bottom plate, installing a box girder top plate bottom die on the support, binding box girder top plate reinforcing steel bars, and pouring box girder top plate concrete;
(5) end beam construction: mounting a bottom die of the end cross beam, binding reinforcing steel bars of the end cross beam, mounting a side template, pouring concrete, and removing the template after the concrete reaches the designed strength;
(6) construction of corrugated steel web combined box girder sections: after the construction of the bridge pier is finished, temporarily or permanently solidifying the pier beam, and constructing the No. 0 box beam segment; the hanging basket is moved forwards, the common steel bars of the bottom plate are installed, then the corrugated steel web plate is installed and connected with the front section corrugated steel web plate, and the concrete bottom plate is poured; installing a top plate steel bar and pouring concrete, tensioning a prestressed tendon after the concrete is cured, and moving the hanging basket to prepare the next section;
(7) and (3) constructing a box girder closure section: removing the hanging basket at one side, moving the hanging basket at the other side forwards, arranging a closing section balance weight and a bottom plate template, adjusting elevation of two ends of the closing section, and temporarily locking the closing section; mounting a folding section corrugated steel web, pouring bottom plate concrete, withdrawing part of the balance weights, pouring top plate concrete, and withdrawing all balance weights; after the health preserving reaches 90% strength, tensioning and closing the bundles, and withdrawing the hanging basket and the template;
(8) filling soil and pouring a butt strap after the platform is finished;
(9) and (5) bridge deck pavement construction.
The utility model discloses for prior art gain following technological effect:
the utility model discloses integral abutment based on ripples folded steel sheet provides one kind and had both had great vertical bearing capacity, had the integral abutment of appropriate horizontal displacement again. The utility model improves the connection relationship between the girder bridge and the abutment with the wave-fold steel web composite structure, and the abutment wave-fold steel plate and the abutment foundation are embedded and fixedly connected into a whole; the corrugated steel plate allows the beam bridge to deform by utilizing the characteristic of strong longitudinal deformation capacity, and the upper corrugated steel web plate is arranged at a certain length away from the bottom plate to reduce the end bending moment generated by the beam bridge, so that the vertical bearing capacity of the integral bridge abutment is ensured, and the service life of the bridge is prolonged.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a first structural schematic diagram of a first embodiment of the integral abutment based on the corrugated steel plate of the present invention;
FIG. 2 is a schematic structural diagram II of a first embodiment of the integral abutment based on the corrugated steel plate;
FIG. 3 is a sectional top view of a corrugated steel plate structure in an embodiment of the present invention based on corrugated steel plate integrated abutment;
FIG. 4 is a sectional top view of a corrugated steel plate structure in a second embodiment of the integral abutment based on corrugated steel plates according to the present invention;
FIG. 5 is a sectional top view of a corrugated steel plate structure according to an embodiment of the present invention;
wherein: 1-a corrugated steel web; 2-concrete top plate; 3-a concrete floor; 4-abutment foundation; 5-corrugated steel plate; 6-bridge pier; 7-frame type diaphragm plate; 8-end cross beam; 9-a butt strap; 10-a stiffening plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
The utility model aims at providing an integral abutment based on ripples steel sheet to solve the problem that above-mentioned prior art exists, make integral abutment both have great vertical bearing capacity, have suitable horizontal displacement again.
In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention is described in detail with reference to the accompanying drawings and the detailed description.
Example one
As shown in fig. 1 to 3: the integral abutment based on the corrugated steel plate comprises a box girder and a plurality of abutment foundations 4 for supporting the box girder, wherein the box girder comprises a concrete top plate 2, a concrete bottom plate 3 and corrugated steel webs, and the corrugated steel webs are respectively connected with the concrete top plate 2 and the concrete bottom plate 3; the tip of wave folding rigid web passes through wave folding steel plate group and is connected with abutment basis 4, and the bottom downwardly extending in wave folding steel web 1 middle part inserts in pier 6. The corrugated steel plate package in this embodiment comprises only one corrugated steel plate 5.
The box girder comprises at least two corrugated steel webs 1, and the corrugated steel webs 1 are connected with a box girder concrete top plate 2 and a box girder concrete bottom plate 3 through perforated steel plates and/or welding nails to form the closed box girder. Each corrugated steel web plate corresponds to one corrugated steel plate group respectively, the bottom end of each corrugated steel web plate is connected with the top end of each corrugated steel plate 5 in the corresponding corrugated steel plate group, and the bottom end of each corrugated steel plate 5 is inserted into the top end of the bridge foundation 4; the depth of the corrugated steel plate 5 embedded in the bridge abutment foundation 4 is 0.5 m-2.0 m, when the top layer steel bar of the bridge abutment foundation 4 is intersected with the corrugated steel plate 5, the corrugated steel plate 5 is provided with a round hole, and the top layer steel bar penetrates through the round hole.
The bridge abutment foundation 4 comprises a foundation and a bearing platform arranged on the foundation, the foundation is an enlarged foundation or a flexible pile foundation, and the corrugated steel plate 5 and the corrugated rigid web plate are inserted into the bearing platform. The number of the sub-holes of the integral abutment is not less than two; the number of the piers 6 is not less than 1 along the bridge direction, at least one pier 6 is fixedly connected with the concrete bottom plate 3, and other piers 6 support the box girder through the support. The corrugated steel plate 5 allows the beam bridge to deform by utilizing the characteristic of strong longitudinal deformation capacity, and the upper corrugated steel web plate 1 is arranged at a certain distance from the bottom plate to reduce the end bending moment generated by the beam bridge, so that the vertical bearing capacity of the integral bridge abutment is ensured, and the service life of the bridge is prolonged.
The end part of the concrete bottom plate 3 is provided with a frame-type diaphragm plate 7; the end part of the corrugated steel web plate 1 is provided with an end beam 8, and the end beam 8 is connected with the concrete top plate 2 and the corrugated steel web plates 1 on two sides. And a longitudinal main rib is arranged in the end cross beam 8, a round hole is formed at the intersection of the longitudinal main rib and the corrugated steel web plate 1, the longitudinal main rib penetrates through the round hole, and the diameter of the round hole is not less than 2.5 times of that of the longitudinal main rib.
The embodiment also provides a construction method of the integral abutment based on the corrugated steel plate, which comprises the following steps:
(1) manufacturing a corrugated steel web plate 1 in a factory: manufacturing a corrugated steel web plate 1 and a bridge abutment corrugated steel plate 5 in a factory, and forming round holes in an anchoring area for steel bars to pass through;
(2) constructing a pile foundation and an abutment foundation 4, namely firstly performing pile foundation pore-forming construction, and constructing the pile foundation by adopting reinforced concrete; binding reinforcing steel bars of the abutment foundation 4, erecting a template, and pouring concrete of the abutment foundation 4;
(3) construction of the corrugated steel plate 5: pre-burying a corrugated steel plate 5 before pouring concrete on the abutment foundation 4; a circular hole is reserved in the bridge abutment foundation 4 in a way that the steel bar penetrates through the corrugated steel plate 5, so that the corrugated steel plate 5 is fixedly connected with the bridge abutment foundation 4;
(4) and (3) constructing the box girder sections on the upper part of the bridge abutment: installing supports on and near the abutment foundation 4, installing longitudinal and transverse square timbers on the supports, laying box girder bottom moulds on the longitudinal and transverse square timbers, binding hole box girder bottom plate common steel bars, pouring a concrete bottom plate 3 and maintaining; installing a support on the box girder concrete bottom plate 3, installing a box girder top plate bottom die on the support, binding box girder top plate reinforcing steel bars, and pouring box girder top plate concrete;
(5) and (3) construction of an end beam 8: mounting a bottom die of the end cross beam 8, binding steel bars of the end cross beam 8, mounting a side template, pouring concrete, and removing the template after the concrete reaches the designed strength;
(6) construction of the corrugated steel web 1 combined box girder segment: after the construction of the pier 6 is finished, temporarily or permanently solidifying the pier beam, and constructing the No. 0 box beam section; the hanging basket is moved forwards, the common steel bars of the bottom plate are installed, then the corrugated steel web plate is installed and connected with the front section corrugated steel web plate, and the concrete bottom plate 3 is poured; installing a top plate steel bar and pouring concrete, tensioning a prestressed tendon after the concrete is cured, and moving the hanging basket to prepare the next section;
(7) and (3) constructing a box girder closure section: removing the hanging basket at one side, moving the hanging basket at the other side forwards, arranging a closing section balance weight and a bottom plate template, adjusting elevation of two ends of the closing section, and temporarily locking the closing section; mounting a folding section corrugated steel web, pouring bottom plate concrete, withdrawing part of the balance weights, pouring top plate concrete, and withdrawing all balance weights; after the health preserving reaches 90% strength, tensioning and closing the bundles, and withdrawing the hanging basket and the template;
(8) filling soil and pouring a butt strap 9 after the completion of the platform;
(9) and (5) bridge deck pavement construction.
Example two
As shown in fig. 4, the present embodiment provides an integral abutment based on corrugated steel plate, which is different from the first embodiment in that: in the embodiment, the corrugated steel web 1 of the box girder comprises two or three mutually parallel corrugated steel plates 5 corresponding to the abutment.
EXAMPLE III
As shown in fig. 5, the present embodiment is different from the first embodiment in that: the corrugated steel plate 5 in this embodiment is provided with vertical stiffening plates 10, and the stiffening plates 10 are plate ribs or T-ribs.
Example four
The difference between this embodiment and the first embodiment is: the box girder in this embodiment is a steel plate girder bridge or a steel box girder bridge or a steel truss girder bridge.
In the description of the present invention, it should be noted that the terms "top", "bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
The principle and the implementation mode of the present invention are explained by applying specific examples in the present specification, and the above descriptions of the examples are only used to help understanding the method and the core idea of the present invention; meanwhile, for the general technical personnel in the field, according to the idea of the present invention, there are changes in the concrete implementation and the application scope. In summary, the content of the present specification should not be construed as a limitation of the present invention.
Claims (9)
1. The utility model provides an integral abutment based on corrugated steel plate which characterized in that: the box girder comprises a concrete top plate, a concrete bottom plate and corrugated steel webs, wherein the corrugated steel webs are respectively connected with the concrete top plate and the concrete bottom plate; the corrugated steel web plate is connected with the bridge abutment foundation and/or the bottom end of the corrugated steel web plate directly extends downwards and is inserted into a bridge pier through a corrugated steel plate group, and the corrugated steel plate group comprises a plurality of mutually parallel corrugated steel plates.
2. The corrugated steel plate-based monolithic abutment of claim 1, wherein: the box girder comprises at least two corrugated steel webs, and the corrugated steel webs are connected with the concrete top plate and the concrete bottom plate through perforated steel plates and/or welding nails to form the closed box girder.
3. The integral waved steel plate-based abutment according to claim 2, wherein: each corrugated steel web plate corresponds to one corrugated steel plate group respectively, the bottom end of each corrugated steel web plate is connected with the top end of each corrugated steel plate in the corresponding corrugated steel plate group, and the bottom end of each corrugated steel plate is inserted into the top end of the bridge foundation; the depth of the corrugated steel plate embedded in the bridge abutment foundation is 0.5-2.0 m, when the top layer steel bar of the bridge abutment foundation is intersected with the corrugated steel plate, the corrugated steel plate is provided with a round hole, and the top layer steel bar penetrates through the round hole.
4. The integral waved steel plate-based abutment according to claim 3, wherein: the end part of the corrugated steel web plate is connected with the bridge abutment foundation through the corrugated steel plate group, and the bottom end in the middle of the corrugated steel web plate extends downwards and is inserted into the bridge pier.
5. The integral waved steel plate-based abutment according to claim 4, wherein: the bridge abutment foundation comprises a foundation and a bearing platform arranged on the foundation, the foundation is an enlarged foundation or a flexible pile foundation, and the corrugated steel plate and the corrugated steel web plate are inserted into the bearing platform.
6. The integral waved steel plate-based abutment according to claim 4, wherein: the number of the sub-holes of the integral abutment is not less than two; the number of the piers is not less than 1 along the bridge direction, at least one pier is fixedly connected with the concrete bottom plate, and the other piers support the box girder through the support.
7. The corrugated steel plate-based monolithic abutment of claim 1, wherein: a frame-type transverse clapboard is arranged at the end part of the concrete bottom plate; the end part of the corrugated steel web plate is provided with an end cross beam, and the end cross beam is connected with the concrete top plate and the corrugated steel web plates on two sides.
8. The corrugated steel plate-based monolithic abutment of claim 7, wherein: the end beam is internally provided with a longitudinal main rib, a round hole is formed in the intersection of the longitudinal main rib and the corrugated steel web, the longitudinal main rib penetrates through the round hole, and the diameter of the round hole is not less than 2.5 times of that of the longitudinal main rib.
9. The corrugated steel plate-based monolithic abutment of claim 1, wherein: the corrugated steel plate is provided with vertical stiffening ribs which are plate ribs or T ribs.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020191814.9U CN212052282U (en) | 2020-02-21 | 2020-02-21 | Integral abutment based on corrugated steel plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020191814.9U CN212052282U (en) | 2020-02-21 | 2020-02-21 | Integral abutment based on corrugated steel plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212052282U true CN212052282U (en) | 2020-12-01 |
Family
ID=73533347
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020191814.9U Active CN212052282U (en) | 2020-02-21 | 2020-02-21 | Integral abutment based on corrugated steel plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212052282U (en) |
-
2020
- 2020-02-21 CN CN202020191814.9U patent/CN212052282U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN100365229C (en) | Constructing the large-span self-braced buildings of composite load-bearing wall-panels and floors | |
| CN106894326B (en) | The construction method of assembled pretensioned prestressing corrugated steel web plate composite box girder | |
| CN109736206B (en) | Cast-in-situ bracket structure for bridge side span closure of corrugated steel web continuous beam and construction method | |
| CN106906748A (en) | Based on the construction method for mixing prestressed assembled corrugated steel web plate composite box girder | |
| CN105568870A (en) | Triangle hanging basket suspended casting device used for overpass bridge construction and construction method thereof | |
| CN113882238A (en) | Large-span deck cable-auxiliary beam arch combined rigid frame bridge and construction method thereof | |
| CN205242278U (en) | A triangle string basket method is hanged and is watered device for deck bridge construction | |
| CN219671054U (en) | Steel-concrete combined small box girder prefabricated by integral hoisting | |
| CN111155422A (en) | Integral abutment based on corrugated steel plate and construction method thereof | |
| CN206570671U (en) | Based on the prestressed assembled corrugated steel web plate composite box girder of mixing | |
| CN112982139A (en) | Wide-width large-span hybrid beam and short-tower cable-stayed bridge system and construction method thereof | |
| CN112726377A (en) | Short-tower cable-stayed bridge with flexible beams and dense cables | |
| CN101230660B (en) | Force-bearing type underplate component | |
| CN212052282U (en) | Integral abutment based on corrugated steel plate | |
| CN218345930U (en) | Bridge structure | |
| CN216239247U (en) | Laminated floor slab with hollow mold | |
| CN112227216B (en) | Triangular area cable buckling and sling combined construction method for steel diagonal bracing continuous rigid frame bridge | |
| CN214459548U (en) | Assembled steel and concrete combined rigid frame bridge | |
| CN107542212A (en) | A kind of Prefabricated porous plate being connected and attaching method thereof | |
| CN207776235U (en) | A kind of Prefabricated porous plate being connected | |
| CN112281635A (en) | Novel track full-assembly type integrated industrialization system | |
| CN111893861A (en) | Partial cable-stayed bridge of steel truss web type concrete composite beam and construction method thereof | |
| CN211171629U (en) | Pier shaft closes up a section template support | |
| CN219671864U (en) | U-shaped steel and concrete composite beam | |
| CN220035172U (en) | Structure for improving transverse bridge directional wind resistance of double-amplitude high-pier large-span continuous rigid frame bridge |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |