CN111851268A - Corrugated steel leader plate structure capable of absorbing horizontal deformation in full-seamless bridge and method - Google Patents
Corrugated steel leader plate structure capable of absorbing horizontal deformation in full-seamless bridge and method Download PDFInfo
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- CN111851268A CN111851268A CN202010836247.2A CN202010836247A CN111851268A CN 111851268 A CN111851268 A CN 111851268A CN 202010836247 A CN202010836247 A CN 202010836247A CN 111851268 A CN111851268 A CN 111851268A
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- corrugated steel
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- supporting plate
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 83
- 239000010959 steel Substances 0.000 title claims abstract description 83
- 238000000034 method Methods 0.000 title description 6
- 239000010410 layer Substances 0.000 claims abstract description 30
- 241001669679 Eleotris Species 0.000 claims abstract description 22
- 239000002344 surface layer Substances 0.000 claims abstract description 12
- 238000010276 construction Methods 0.000 claims description 15
- 239000012791 sliding layer Substances 0.000 claims description 13
- 239000000463 material Substances 0.000 claims description 8
- 239000010426 asphalt Substances 0.000 claims description 6
- 239000000945 filler Substances 0.000 claims description 3
- 239000005060 rubber Substances 0.000 claims description 3
- 239000002689 soil Substances 0.000 claims description 3
- 238000006073 displacement reaction Methods 0.000 abstract description 4
- 239000004568 cement Substances 0.000 abstract description 2
- 238000012423 maintenance Methods 0.000 description 8
- 238000013459 approach Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- -1 polyethylene Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 208000024891 symptom Diseases 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
- E01D19/00—Structural or constructional details of bridges
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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
- E01D19/00—Structural or constructional details of bridges
- E01D19/02—Piers; Abutments ; Protecting same against drifting ice
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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
- E01D19/00—Structural or constructional details of bridges
- E01D19/08—Damp-proof or other insulating layers; Drainage arrangements or devices ; Bridge deck surfacings
- E01D19/083—Waterproofing of bridge decks; Other insulations for bridges, e.g. thermal ; Bridge deck surfacings
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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
- E01D19/00—Structural or constructional details of bridges
- E01D19/12—Grating or flooring for bridges; Fastening railway sleepers or tracks to bridges
- E01D19/125—Grating or flooring for bridges
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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
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Road Paving Structures (AREA)
Abstract
The invention relates to a corrugated steel guide plate structure capable of absorbing horizontal deformation in a full seamless bridge, which comprises an abutment, a wiring pavement, a sleeper beam, a supporting plate, a corrugated steel plate, an elastic joint filling layer and a surface layer, wherein the wiring pavement and the corrugated steel plate are positioned on the supporting plate, and the surface layer is arranged on the wiring pavement and the corrugated steel plate. The invention utilizes the corrugated steel plate and the elastic joint filling layer to adapt to the requirement of the expansion displacement of the seamless bridge, plays a role in releasing the thermal expansion pressure stress of the cement concrete pavement, can effectively enhance the deformation adapting capability of the seamless bridge, improves the driving comfort and is suitable for the integral seamless bridge with larger longitudinal deformation.
Description
Technical Field
The invention relates to a corrugated steel leader plate structure capable of absorbing horizontal deformation and a method thereof.
Background
Bridge expansion joints are weak points in the design of bridge structures, have become one of the difficult problems in the construction and maintenance of bridges, and are expensive and require long-term maintenance. Designers and scholars in China perform valuable exploration on the aspects of mechanisms, performance, materials and the like of the expansion joint, play a positive role in solving the problem of longitudinal deformation of the bridge, but cannot fundamentally solve the problem that the expansion joint is easy to damage. Along with the development of economy, the traffic pressure is increased, the damage phenomenon of the bridge expansion joint is increasingly serious, and the pressure for maintaining the bridge expansion joint is also increased increasingly due to the increase of the maintenance period and the maintenance cost.
The problem of bridge expansion joint fragile is solved, mainly realize through improving telescoping device or canceling the expansion joint. The expansion joint can be improved only by reducing the replacement period and the damage degree of the expansion joint, but the problems of maintenance and replacement of the expansion joint cannot be fundamentally solved, the problems of difficult maintenance and high maintenance cost still exist, and the method for improving the expansion joint only can treat the symptoms and not the root causes. The expansion joint is reduced or even cancelled, so that the problem of damage caused by the expansion joint of the bridge in maintenance and replacement can be fundamentally solved, the integrity of the bridge is improved, and the disaster bearing capacity of the bridge is also improved.
The bridge without expansion joint is mainly characterized by that it adopts integral bridge abutment, and the whole upper structure and flexible pile foundation are integrally poured into one body, and in the design the expansion joint is not set on the bridge abutment, main beam and bridge deck. The structure form of the non-expansion joint bridge can be a single span type or a multi-span continuous type. In this bridge type structure, the entire deck (from one end approach to the other) is continuous, and the concrete deck and the approach deck are also continuous and integral with the abutment.
The present invention is developed to improve the shear-resisting and load-bearing capacity and the shrinkage deformation capacity.
Disclosure of Invention
In view of the defects of the prior art, the technical problem to be solved by the invention is to provide a corrugated steel leader plate structure and a method for a full seamless bridge, which can absorb horizontal deformation, and the structure is simple, convenient and efficient.
In order to solve the technical problems, the technical scheme of the invention is as follows: the utility model provides a corrugated steel draws board structure that can absorb horizontal deformation for among full seamless bridge, includes abutment, wiring road surface, sleeper beam, backup pad, corrugated steel plate, elasticity layer and the surface course of caulking, wiring road surface and corrugated steel plate are located on the backup pad, be equipped with the surface course on wiring road surface and the corrugated steel plate.
Preferably, the two ends of the corrugated steel plate are straight steel plates, and the middle of the corrugated steel plate is a perforated concave-convex corrugated steel plate.
Preferably, two ends of the straight steel plate are respectively arranged on the upper surfaces of the abutment and the wiring road surface and fixedly connected with the abutment and the wiring road surface through bolts.
Preferably, the elastic joint filling layer is filled between gaps of the concave-convex corrugated steel plates, the upper part of the elastic joint filling layer is flush with the abutment and the wiring road surface, and the elastic joint filling layer is made of asphalt or rubber.
Preferably, the corrugated steel plate is consistent with the wiring road surface in height and is arranged above the supporting plate and between the bridge abutment and the wiring road surface.
Preferably, the supporting plate is connected with the seamless bridge abutment through a reserved connecting steel bar, the other end of the supporting plate is supported on the sleeper beam, and the sleeper beam is located on the base layer below the supporting plate.
Preferably, a sliding layer is arranged between the lower surface of the supporting plate and the base layer and between the supporting plate and the sleeper beam; and a sliding layer is arranged between the upper surface of the supporting plate and the corrugated steel plate and between the upper surface of the supporting plate and the wiring road surface.
A construction method for a corrugated steel leader plate structure capable of absorbing horizontal deformation in an all-seamless bridge is carried out according to the following steps:
(1) constructing a main bridge structure;
(2) excavating soil behind the abutment;
(3) laying a base layer on the lower side;
(4) constructing a sleeper beam, and arranging a sliding layer on the base layer and the upper surface of the sleeper beam;
(5) constructing a support plate, connecting the support plate together through a connecting steel bar reserved in a seamless bridge abutment, placing one end of the support plate far away from the abutment on a sleeper beam, and constructing elastic filler at the plate end of the support plate;
(6) arranging a sliding layer on the upper surface of the supporting plate, and filling the gap filling material on the lower surface side of the concave-convex corrugated steel plate;
(7) placing the corrugated steel plate and the wiring pavement on the supporting plate, and fixedly connecting the straight steel plates at two ends of the corrugated steel plate with the wiring pavement and the upper surface of the abutment respectively by using bolts;
(8) filling a gap filling material on the upper surface side of the concave-convex waveform steel plate;
(9) paving a surface layer integrally;
(10) and (4) performing joint cutting treatment on the asphalt surface layer by using a joint cutter to complete full-bridge construction.
Compared with the prior art, the invention has the following beneficial effects: the deformation structure comprises a corrugated steel plate, an elastic joint filling layer and the like, and is characterized in that the corrugated steel plate has stronger shearing resistance and bearing capacity, and has good shrinkage deformation capacity in the axial direction, the expansion amount of a bridge girder can be transferred to the corrugated steel plate through the combination of the corrugated steel plate and the elastic joint filling layer, and the capacity of the novel expansion joint for absorbing expansion deformation is greatly improved; meanwhile, the longitudinal length and the corrugation number of the built-in corrugated steel plate can be adjusted to meet different expansion amount requirements of the whole bridge, and the adaptability is strong. In addition, the built-in corrugated steel plate and the elastic gap filling layer form a compact waterproof structure, the durability of the guide plate is improved, the service life of the guide plate is prolonged, the use is simple, the replacement is convenient, and only partial treatment is needed to be carried out on the bridge deck pavement structure at the position of the butt strap. The ability of seamless bridge adaptation deformation can be effectively strengthened, the driving comfort is improved, and the integral seamless bridge that warp greatly is applicable to.
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Drawings
FIG. 1 is a schematic configuration diagram of an embodiment of the present invention.
Fig. 2 is a plan view of a pavement-slitting construction.
Fig. 3 is a partially enlarged view of the deck plate.
Fig. 4 is a schematic view of the construction of the deck plate.
Detailed Description
In order to make the aforementioned and other features and advantages of the invention more comprehensible, embodiments accompanied with figures are described in detail below.
As shown in figures 1-4, the corrugated steel leading plate structure capable of absorbing horizontal deformation for the full seamless bridge comprises an abutment 1, a wiring pavement 2, a sleeper beam 3, a support plate 4, corrugated steel plates, an elastic joint filling layer 5 and a surface layer 6, wherein the wiring pavement and the corrugated steel plates are positioned on the support plate, and surface layers are arranged on the wiring pavement and the corrugated steel plates. Due to the combination of the corrugated steel plate and the elastic joint filling layer, the bridge can better absorb large displacement generated under the temperature action and the earthquake action.
In the embodiment of the invention, the two ends of the corrugated steel plate are flat steel plates 9, and the middle of the corrugated steel plate is a perforated concave-convex corrugated steel plate 11. The concave-convex waveform steel plate has good shrinkage deformation capacity, can improve the capacity of the butt strap for absorbing the expansion displacement at the bridge abutment, better improves the capacity of the seamless bridge for adapting to deformation, and releases the thermal expansion pressure stress of the wiring road surface.
In the embodiment of the invention, two ends of the straight steel plate are respectively arranged on the upper surfaces of the abutment and the wiring road surface and fixedly connected with the abutment and the wiring road surface by bolts 10.
In the embodiment of the invention, the elastic joint filling layer is filled between gaps of the corrugated steel plates, the upper part of the elastic joint filling layer is flush with the abutment and the wiring road surface, and the elastic joint filling layer can be made of TST materials, asphalt or rubber and the like.
In the embodiment of the invention, the corrugated steel plate is consistent in height with the wiring road surface and is arranged above the supporting plate and between the bridge abutment and the wiring road surface.
In the embodiment of the invention, the supporting plate is connected with the seamless bridge abutment through the reserved connecting steel bars 12, the other end of the supporting plate is supported on the sleeper beam, and the sleeper beam is positioned on the base layer 7 below the supporting plate.
In the embodiment of the invention, a sliding layer 8 is arranged between the lower surface of the supporting plate and the base layer and between the supporting plate and the sleeper beam; and a sliding layer is arranged between the upper surface of the supporting plate and the corrugated steel plate and between the upper surface of the supporting plate and the wiring road surface. The sliding layer can be polyethylene or fiber cloth. So as to meet the requirements of the cement concrete slab on telescopic displacement.
A construction method for a corrugated steel leader plate structure capable of absorbing horizontal deformation in an all-seamless bridge is carried out according to the following steps:
(1) constructing a main bridge structure;
(2) excavating soil behind the abutment;
(3) laying a base layer on the lower side;
(4) constructing a sleeper beam, and arranging a sliding layer on the base layer and the upper surface of the sleeper beam;
(5) constructing a support plate, connecting the support plate together through a connecting steel bar reserved in a seamless bridge abutment, placing one end of the support plate far away from the abutment on a sleeper beam, and constructing an elastic filler 13 at the plate end of the support plate;
(6) arranging a sliding layer on the upper surface of the supporting plate, and filling the gap filling material on the lower surface side of the concave-convex corrugated steel plate;
(7) placing the corrugated steel plate and the wiring pavement on the supporting plate, and fixedly connecting the straight steel plates at two ends of the corrugated steel plate with the wiring pavement and the upper surface of the abutment respectively by using bolts;
(8) filling a gap filling material on the upper surface side of the concave-convex waveform steel plate;
(9) paving a surface layer integrally;
(10) and (4) performing slitting 14 treatment on the asphalt surface layer by using a slitting machine to finish full-bridge construction.
The present invention is not limited to the above-described preferred embodiments, and various other configurations and methods of constructing a corrugated steel leader plate capable of accommodating horizontal deformation for use in a fully seamless bridge can be devised by anyone in light of the present invention. All equivalent changes and modifications made according to the claims of the present invention should be covered by the present invention.
Claims (8)
1. The utility model provides a can absorb horizontal deformation's corrugated steel leader plate structure for in full seamless bridge which characterized in that: the bridge abutment comprises a bridge abutment, a wiring road surface, a sleeper beam, a supporting plate, corrugated steel plates, an elastic joint filling layer and a surface layer, wherein the wiring road surface and the corrugated steel plates are located on the supporting plate, and the surface layer is arranged on the wiring road surface and the corrugated steel plates.
2. The horizontally deformable, corrugated steel leader plate construction for use in a totally seamless bridge as claimed in claim 1, wherein: the corrugated steel plate is provided with straight steel plates at two ends and a concave-convex corrugated steel plate with holes in the middle.
3. The horizontally deformable, corrugated steel leader plate construction for use in a totally seamless bridge according to claim 2, wherein: and two ends of the straight steel plate are respectively arranged on the upper surfaces of the abutment and the wiring road surface and are fixedly connected with the abutment and the wiring road surface by bolts.
4. The horizontally deformable, corrugated steel leader plate construction for use in a totally seamless bridge according to claim 2, wherein: the elastic joint filling layer is filled between gaps of the concave-convex corrugated steel plates, the upper part of the elastic joint filling layer is flush with the abutment and the wiring road surface, and the elastic joint filling layer is made of asphalt or rubber.
5. The horizontally deformable, corrugated steel leader plate construction for use in a totally seamless bridge as claimed in claim 1, wherein: the corrugated steel plate is as high as the wiring road surface and is arranged above the supporting plate and between the bridge abutment and the wiring road surface.
6. The horizontally deformable, corrugated steel leader plate construction for use in a totally seamless bridge as claimed in claim 1, wherein: the supporting plate is connected with the seamless bridge abutment through the reserved connecting steel bars, the other end of the supporting plate is supported on the sleeper beam, and the sleeper beam is located on the base layer below the supporting plate.
7. The horizontally deformable, corrugated steel leader plate construction for use in a totally seamless bridge as claimed in claim 1, wherein: a sliding layer is arranged between the lower surface of the supporting plate and the base layer and between the supporting plate and the sleeper beam; and a sliding layer is arranged between the upper surface of the supporting plate and the corrugated steel plate and between the upper surface of the supporting plate and the wiring road surface.
8. A construction method for a corrugated steel leader plate structure capable of absorbing horizontal deformation in a totally seamless bridge according to any one of claims 1 to 7, comprising the steps of:
(1) constructing a main bridge structure;
(2) excavating soil behind the abutment;
(3) laying a base layer on the lower side;
(4) constructing a sleeper beam, and arranging a sliding layer on the base layer and the upper surface of the sleeper beam;
(5) constructing a support plate, connecting the support plate together through a connecting steel bar reserved in a seamless bridge abutment, placing one end of the support plate far away from the abutment on a sleeper beam, and constructing elastic filler at the plate end of the support plate;
(6) arranging a sliding layer on the upper surface of the supporting plate, and filling the gap filling material on the lower surface side of the concave-convex corrugated steel plate;
(7) placing the corrugated steel plate and the wiring pavement on the supporting plate, and fixedly connecting the straight steel plates at two ends of the corrugated steel plate with the wiring pavement and the upper surface of the abutment respectively by using bolts;
(8) filling a gap filling material on the upper surface side of the concave-convex waveform steel plate;
(9) paving a surface layer integrally;
(10) and (4) performing joint cutting treatment on the asphalt surface layer by using a joint cutter to complete full-bridge construction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010836247.2A CN111851268A (en) | 2020-08-19 | 2020-08-19 | Corrugated steel leader plate structure capable of absorbing horizontal deformation in full-seamless bridge and method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010836247.2A CN111851268A (en) | 2020-08-19 | 2020-08-19 | Corrugated steel leader plate structure capable of absorbing horizontal deformation in full-seamless bridge and method |
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| Publication Number | Publication Date |
|---|---|
| CN111851268A true CN111851268A (en) | 2020-10-30 |
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| CN202010836247.2A Pending CN111851268A (en) | 2020-08-19 | 2020-08-19 | Corrugated steel leader plate structure capable of absorbing horizontal deformation in full-seamless bridge and method |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104594191A (en) * | 2015-02-16 | 2015-05-06 | 西安公路研究院 | Corrugated steel plate built-in seamless expansion device between girder and bridge abutment and construction method of seamless expansion device |
| CN110616631A (en) * | 2019-10-28 | 2019-12-27 | 福州大学 | Longitudinal connection structure suitable for main beam at bridge expansion joint and construction method |
| CN110644360A (en) * | 2019-10-24 | 2020-01-03 | 福州大学 | Expansion joint structure suitable for seamless bridge approach plate and construction method |
| CN110725194A (en) * | 2019-11-19 | 2020-01-24 | 福州大学 | Variable-spacing absorption device and construction method thereof |
| CN212426699U (en) * | 2020-08-19 | 2021-01-29 | 福州大学 | Corrugated steel leader plate structure capable of absorbing horizontal deformation in full seamless bridge |
-
2020
- 2020-08-19 CN CN202010836247.2A patent/CN111851268A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104594191A (en) * | 2015-02-16 | 2015-05-06 | 西安公路研究院 | Corrugated steel plate built-in seamless expansion device between girder and bridge abutment and construction method of seamless expansion device |
| CN110644360A (en) * | 2019-10-24 | 2020-01-03 | 福州大学 | Expansion joint structure suitable for seamless bridge approach plate and construction method |
| CN110616631A (en) * | 2019-10-28 | 2019-12-27 | 福州大学 | Longitudinal connection structure suitable for main beam at bridge expansion joint and construction method |
| CN110725194A (en) * | 2019-11-19 | 2020-01-24 | 福州大学 | Variable-spacing absorption device and construction method thereof |
| CN212426699U (en) * | 2020-08-19 | 2021-01-29 | 福州大学 | Corrugated steel leader plate structure capable of absorbing horizontal deformation in full seamless bridge |
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