CN212426702U - Seamless bridge approach plate structure based on corrugated steel plate - Google Patents
Seamless bridge approach plate structure based on corrugated steel plate Download PDFInfo
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- CN212426702U CN212426702U CN202022080803.6U CN202022080803U CN212426702U CN 212426702 U CN212426702 U CN 212426702U CN 202022080803 U CN202022080803 U CN 202022080803U CN 212426702 U CN212426702 U CN 212426702U
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Abstract
The utility model provides a seamless bridge approach plate structure based on corrugated steel plate, including pitch surface course, corrugated steel plate, backup pad and the basic unit that from top to bottom sets gradually, the corrugated steel plate both sides are provided with wiring road surface and abutment respectively, the inside inter-plate space of corrugated steel plate is equipped with the material layer of caulking. The utility model relates to a rationally, simple structure utilizes the corrugated steel board and the material layer of caulking to absorb the vertical displacement of abutment department, compares traditional concrete draw plate, can effectively strengthen the ability that seamless bridge adaptation warp, is applicable to the great integral or semi-integral seamless bridge of longitudinal deformation.
Description
Technical Field
The utility model relates to a seamless bridge approach plate structure based on corrugated steel plate.
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. The telescopic device directly bears the effects of vehicle load, environment and the like, is very easy to cause diseases and even lose efficacy, reduces the service quality of the bridge, and influences the safety and the durability of the bridge structure. The cost of maintaining and replacing the expansion device becomes an important component in bridge maintenance, and is increasing with the increase of the number of bridges and the increase of the service life. A large amount of research data shows that the telescopic device is the position where the bridge structure is most easily damaged and difficult to repair. According to incomplete statistics, more than 70% of highway bridges in China have the problems of bridge expansion device damage, vehicle jumping on bridges and at bridge heads and the like, and particularly the bridge joints on expressways are particularly serious. 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 the quality that improves telescoping device or reduce telescoping device's quantity or cancel the expansion joint. The quality of the expansion device 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 quality of the expansion device can only be used for treating 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 features that it has integral bridge abutment, integral upper structure and flexible pile foundation and no expansion joint is used in the bridge abutment and bridge deck. After the bridge deck expansion device at the bridge abutment is cancelled, the longitudinal bridge of the bridge structure is transferred to the abutment in the deformation direction, common diseases in the use process of the bridge are also transferred to the abutment in the soil filling direction by the expansion device at the bridge abutment, the connection position of the guide plate and the bridge, and the connection position of the guide plate and the wiring road. The leader board also becomes a critical structural part of the seamless bridge.
SUMMERY OF THE UTILITY MODEL
The utility model discloses improve above-mentioned problem, promptly the to-be-solved technical problem of the utility model is that a seamless bridge approach plate structure based on the wave form steel sheet is provided, effectively strengthens seamless bridge adaptation deformation's ability, is applicable to the great integral or semi-integral seamless bridge of longitudinal deformation.
The utility model discloses a concrete implementation scheme is: the utility model provides a seamless bridge approach plate structure based on corrugated steel plate, includes pitch surface course, corrugated steel plate, backup pad and the basic unit that from top to bottom sets gradually, the corrugated steel plate both sides are provided with wiring road surface and abutment respectively, the inside inter-plate space of corrugated steel plate is equipped with the material layer of caulking.
Further, a sleeper beam is arranged below the left side of the supporting plate, and an elastic compression material layer positioned between the base layer and the side part of the supporting plate is arranged above the sleeper beam.
Furthermore, the right side of the supporting plate is fixedly connected with the abutment through a connecting steel bar.
Furthermore, the surface of the asphalt surface layer is provided with a seam, and the seam is continuous and seamless at the joint of the corrugated steel plate and the bridge abutment.
Furthermore, two ends of the corrugated steel plate are respectively connected with the wiring road surface and the bridge abutment through bolts.
Furthermore, the wiring road surface, the corrugated steel plate, the joint filling material layer and the upper surface of the bridge abutment are positioned on the same horizontal plane.
Furthermore, sliding layers are arranged between the corrugated steel plate and the asphalt surface layer, between the lower portions of the corrugated steel plate and the wiring road surface and the supporting plate, and between the upper portions of the sleeper beam and the base layer and the supporting plate, a horizontal thin steel plate is arranged above the sliding layers, and the corrugated steel plate is arranged above the horizontal thin steel plate.
Furthermore, the cross section of the corrugated steel plate is rack-shaped, and each side surface of the corrugated steel plate is provided with a through hole.
Further, the length of a sliding layer between the corrugated steel plate and the asphalt surface layer is 1.5-2 times of the length of the corrugated steel plate.
Compared with the prior art, the utility model discloses following beneficial effect has: the device has a simple structure and reasonable design, utilizes the waveform steel plate to have stronger shearing resistance and good shrinkage deformation capacity in the axial direction, can transfer the expansion amount at the abutment to the waveform steel plate through the combination of the waveform steel plate and the joint filling material layer, greatly improves the capacity of the structure for absorbing the expansion deformation, can effectively enhance the capacity of the bridge for adapting to the deformation compared with the traditional concrete guide plate, and is suitable for integral or semi-integral seamless bridges with larger longitudinal deformation;
secondly, the different flexible volume demands of whole bridge can be satisfied through adjusting built-in wave form steel sheet ripple number, and adaptability is strong. Simultaneously, corrugated steel board and the layer of material that has elasticity of caulking constitute closely knit waterproof construction, have improved the durability and the life of this structure, and simple to use, change convenience, only need to the pitch surface course carry out local processing can.
Finally, the support plate buried under the pavement provides larger rigidity for the asphalt concrete pavement on the support plate, a rigidity transition section is provided between the pavement and the bridge, and the problem of vehicle jumping caused by filling settlement after the platform is relieved.
Drawings
FIG. 1 is a schematic diagram of an example configuration of the present invention;
FIG. 2 is a plan view of an example configuration of the present invention;
FIG. 3 is a schematic structural view of a corrugated steel plate according to an embodiment of the present invention;
in the figure: 1-abutment, 2-base course, 3-corrugated steel plate, 4-sleeper beam, 5-wiring pavement, 6-supporting plate, 7-sliding layer, 8-asphalt surface layer, 9-gap filling material layer, 10-connecting reinforcing steel bar, 11-bolt, 12-elastic compression material layer, 13-seam and 14-horizontal thin steel plate.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Example (b): as shown in fig. 1 to 3, a seamless bridge approach plate structure based on a corrugated steel plate is provided, which comprises an asphalt surface layer 8, a corrugated steel plate 3, a supporting plate 6 and a base layer 2, which are sequentially arranged from top to bottom, wherein the two sides of the corrugated steel plate 3 are respectively provided with a wiring pavement 5 and an abutment 1, an elastic gap filling material layer 9 is arranged in a gap between plates inside the corrugated steel plate, and the gap filling material layer can be asphalt or rubber.
A sleeper beam 4 is arranged below the left side of the supporting plate, two ends of the supporting plate are respectively supported on the convex angle of the abutment and the sleeper beam, and an elastic compression material layer 12 positioned between the base layer and the side part of the supporting plate is arranged above the sleeper beam.
The right side of the supporting plate is fixedly connected with the abutment through a connecting steel bar 10.
The asphalt surface layer is provided with a seam 13, and the joint of the corrugated steel plate and the bridge abutment is continuous and seamless.
The two ends of the corrugated steel plate are respectively connected with the wiring road surface and the abutment through bolts 11.
The wiring pavement, the corrugated steel plate, the joint filling material layer and the upper surface of the abutment are positioned on the same horizontal plane; the height of the wiring pavement, the corrugated steel plate and the joint filling material layer is consistent.
Sliding layers 7 are arranged between the corrugated steel plate and the asphalt surface layer, between the lower parts of the corrugated steel plate and the wiring road surface and the supporting plate, and between the upper parts of the sleeper beam and the base layer and the supporting plate; a horizontal thin steel plate is arranged above the sliding layer, the corrugated steel plate is arranged above the horizontal thin steel plate 14, and the sliding layer is made of polyethylene or fiber cloth.
The cross section of the corrugated steel plate is in a rack shape, and each side face of the corrugated steel plate is provided with a through hole.
The length of the sliding layer between the corrugated steel plate and the asphalt surface layer is 1.5-2 times of the length of the corrugated steel plate.
In the embodiment, the construction steps are as follows: (1) constructing a seamless bridge abutment with reserved bolt holes and connecting steel bars according to a drawing; (2) excavating soil behind the abutment, paving a base layer on the lower side of the abutment, and paving a sliding layer above the base layer; (3) casting a supporting plate in situ through connecting steel bars reserved in a seamless bridge abutment, and casting a sleeper beam in situ; (4) after the supporting plate and the sleeper beam meet the strength requirement, filling elastic compression materials among the supporting plate, the base layer and the sleeper beam, and paving a sliding layer and a horizontal thin steel plate above the supporting plate; (5) constructing a joint pavement; (6) fixedly connecting the corrugated steel plate, the wiring road surface and the abutment by bolts, and filling elastic materials in gaps among the corrugated steel plate plates; (7) paving a sliding layer above the corrugated steel plate; (8) paving an asphalt surface layer; (9) and (4) performing joint cutting treatment on the asphalt surface layer by using a joint cutter to complete full-bridge construction.
Any technical solution disclosed in the present invention is, unless otherwise stated, disclosed a numerical range if it is disclosed, and the disclosed numerical range is a preferred numerical range, and any person skilled in the art should understand that: the preferred ranges are merely those values which are obvious or representative of the technical effect which can be achieved. Because numerical value is more, can't be exhaustive, so the utility model discloses just disclose some numerical values with the illustration the technical scheme of the utility model to, the numerical value that the aforesaid was enumerated should not constitute right the utility model discloses create the restriction of protection scope.
If the terms "first," "second," etc. are used herein to define parts, those skilled in the art will recognize that: the terms "first" and "second" are used merely to distinguish one element from another in a descriptive sense and are not intended to have a special meaning unless otherwise stated.
Also, above-mentioned the utility model discloses if disclose or related to mutually fixed connection's spare part or structure, then, except that other the note, fixed connection can understand: a detachable fixed connection (for example using bolts or screws) is also understood as: non-detachable fixed connections (e.g. riveting, welding), but of course, fixed connections to each other may also be replaced by one-piece structures (e.g. manufactured integrally using a casting process) (unless it is obviously impossible to use an integral forming process).
In addition, the terms used in any aspect of the present disclosure as described above to indicate positional relationships or shapes include similar, analogous, or approximate states or shapes unless otherwise stated.
The utility model provides an arbitrary part both can be assembled by a plurality of solitary component parts and form, also can be the solitary part that the integrated into one piece technology was made.
Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting the same; although the present invention has been described in detail with reference to preferred embodiments, it should be understood by those skilled in the art that: the invention can be modified or equivalent substituted for some technical features; without departing from the spirit of the present invention, it should be understood that the scope of the claims is intended to cover all such modifications and variations.
Claims (9)
1. The utility model provides a seamless bridge approach plate structure based on corrugated steel plate which characterized in that, includes pitch surface course, corrugated steel plate, backup pad and the basic unit that from top to bottom sets gradually, the corrugated steel plate both sides are provided with wiring road surface and abutment respectively, the inside inter-plate space of corrugated steel plate is equipped with the material layer of caulking.
2. The seamless bridge deck construction based on corrugated steel plate as claimed in claim 1, wherein a sleeper beam is provided under the left side of the support plate, and a layer of resilient compression material is provided over the sleeper beam between the base layer and the side of the support plate.
3. The seamless bridge approach plate structure based on the corrugated steel plate as claimed in claim 1, wherein the right side of the support plate is fixedly connected with the abutment through a connecting steel bar.
4. The seamless bridge deck structure based on the corrugated steel plate as claimed in claim 1, wherein the asphalt surface layer is provided with a seam, and the seam is continuous and seamless at the joint of the corrugated steel plate and the bridge abutment.
5. The seamless bridge deck structure based on corrugated steel plates as claimed in claim 1, wherein both ends of the corrugated steel plates are respectively connected with the connection road surface and the abutment through bolts.
6. The seamless bridge deck structure according to claim 1, wherein the wiring pavement, the corrugated steel plate, the caulking material layer and the upper surface of the abutment are located at the same level.
7. The seamless bridge deck structure based on corrugated steel plates as claimed in claim 1, wherein sliding layers are arranged between the corrugated steel plates and the asphalt surface layer, between the lower portions of the corrugated steel plates and the connection road surface and the support plates, and between the upper portions of the sleeper beams and the base layer and the support plates, a horizontal thin steel plate is arranged above the sliding layers, and the corrugated steel plates are arranged above the horizontal thin steel plate.
8. The seamless bridge deck structure based on corrugated steel plate as claimed in claim 1, wherein the cross section of the corrugated steel plate is rack-shaped, and each side of the corrugated steel plate is provided with a through hole.
9. The seamless bridge plate structure based on corrugated steel plate as claimed in claim 7, wherein the sliding layer length between the corrugated steel plate and the asphalt surface layer is 1.5-2 times the length of the corrugated steel plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022080803.6U CN212426702U (en) | 2020-09-22 | 2020-09-22 | Seamless bridge approach plate structure based on corrugated steel plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022080803.6U CN212426702U (en) | 2020-09-22 | 2020-09-22 | Seamless bridge approach plate structure based on corrugated steel plate |
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| CN212426702U true CN212426702U (en) | 2021-01-29 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111979899A (en) * | 2020-09-22 | 2020-11-24 | 福州大学 | Seamless bridge approach plate structure based on corrugated steel plate and construction method |
| CN111979899B (en) * | 2020-09-22 | 2024-05-31 | 福州大学 | Seamless bridge approach plate structure based on corrugated steel plate and construction method |
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2020
- 2020-09-22 CN CN202022080803.6U patent/CN212426702U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111979899A (en) * | 2020-09-22 | 2020-11-24 | 福州大学 | Seamless bridge approach plate structure based on corrugated steel plate and construction method |
| CN111979899B (en) * | 2020-09-22 | 2024-05-31 | 福州大学 | Seamless bridge approach plate structure based on corrugated steel plate and construction method |
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Effective date of registration: 20230706 Address after: No. 266, Niukeng Natural Village, Xizhuang, Dongyuan Town, Taizhou Investment Zone, Quanzhou City, Fujian Province, 362100 Patentee after: Fujian Hongshi Construction Engineering Quality Inspection Co.,Ltd. Address before: Fuzhou University, No.2, wulongjiang North Avenue, Fuzhou University Town, Minhou County, Fuzhou City, Fujian Province Patentee before: FUZHOU University |
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