CN112095450B - Damper device suitable for integral bridge, integral bridge and working method thereof - Google Patents
Damper device suitable for integral bridge, integral bridge and working method thereof Download PDFInfo
- Publication number
- CN112095450B CN112095450B CN202011063805.2A CN202011063805A CN112095450B CN 112095450 B CN112095450 B CN 112095450B CN 202011063805 A CN202011063805 A CN 202011063805A CN 112095450 B CN112095450 B CN 112095450B
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- cover plate
- box body
- steel box
- bridge
- damper device
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- 238000000034 method Methods 0.000 title claims abstract description 12
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 85
- 239000010959 steel Substances 0.000 claims abstract description 85
- 239000013013 elastic material Substances 0.000 claims abstract description 10
- 239000011381 foam concrete Substances 0.000 claims description 33
- 241001669679 Eleotris Species 0.000 claims description 32
- 239000012791 sliding layer Substances 0.000 claims description 7
- 239000002689 soil Substances 0.000 claims description 7
- 238000013016 damping Methods 0.000 claims description 3
- 239000010410 layer Substances 0.000 claims description 3
- 239000002245 particle Substances 0.000 claims description 3
- 239000011148 porous material Substances 0.000 claims description 3
- 230000002349 favourable effect Effects 0.000 claims description 2
- 239000007787 solid Substances 0.000 claims 1
- 230000009471 action Effects 0.000 abstract description 6
- 238000010276 construction Methods 0.000 abstract description 6
- 230000000694 effects Effects 0.000 description 6
- 239000004567 concrete Substances 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- 230000035939 shock Effects 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- 230000021715 photosynthesis, light harvesting Effects 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 230000009897 systematic effect Effects 0.000 description 1
Classifications
-
- 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
-
- 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
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D27/00—Foundations as substructures
- E02D27/10—Deep foundations
- E02D27/12—Pile foundations
Landscapes
- Engineering & Computer Science (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Architecture (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- General Engineering & Computer Science (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention relates to a damper device suitable for a whole bridge, the whole bridge and a working method thereof, wherein the damper device suitable for the whole bridge is characterized in that: the steel box comprises an open steel box body and a cover plate which is arranged on the open steel box body and can slide relative to the steel box body, wherein the cover plate comprises an upper cover plate and a lower cover plate which are fixed together in a superposed manner, the open steel box body is formed by at least one side of the upper cover plate, the edge of the lower cover plate is smaller than the inner size of the open steel box body, a vertical plate is vertically and fixedly arranged on the lower surface of the lower cover plate, and elastic materials are filled beside the vertical plate in the steel box body. The damper device and the integral bridge and the working method thereof are suitable for the integral bridge, can be applied to the integral bridge, effectively reduce the amplitude of bridge vibration of the integral bridge under the action of earthquake, can absorb the earthquake energy transferred to a bridge structure under the action of earthquake, ensure the use safety of the integral bridge, and have simple structure, convenient construction and convenient replacement.
Description
Technical Field
The invention relates to a damper device suitable for an integral bridge, the integral bridge and a working method thereof.
Background
The scholars at home and abroad develop in-depth systematic research on the earthquake resistance and the earthquake reduction and isolation of the traditional slit bridge, propose a series of earthquake reduction and isolation construction measures with great effect, and are widely applied to practical engineering; meanwhile, the anti-seismic performance of the integral bridge is also widely studied, however, as the integral bridge is generally considered to have better anti-seismic performance, the research on the anti-seismic performance of the integral bridge seems to be lack of necessity, and the research on the anti-seismic performance of the integral bridge is not basically reported at present.
However, the overall bridge substructure has the potential for a comprehensive effect of different shaped loads, and when the pile foundation deformability of the overall bridge substructure is mainly used for absorbing horizontal deformation generated under the effects of temperature and the like, the deformability of the overall bridge substructure due to the earthquake effect is relatively reduced; in particular, for concrete pile foundations with limited deformability, even the possibility of 'small earthquake is bad', but the pile foundation is buried in soil, and the concrete pile foundations are not easy to repair after the small earthquake and the middle earthquake are damaged; the bridge is contradicted with the characteristics of 'good sustainable and durability' and 'high earthquake-proof and disaster-reduction capability', is also inconsistent with the existing 'small earthquake-proof and early-earthquake-proof' anti-fortifying requirements, exerts the advantages of 'good integrity, high redundancy and difficult girder falling', and is difficult to apply to high-intensity strong-earthquake areas.
Disclosure of Invention
In view of the shortcomings of the prior art, the technical problem to be solved by the invention is to provide a damper device suitable for an integral bridge, the integral bridge and a working method thereof.
The invention is applicable to a damper device of an integral bridge, which is characterized in that: the steel box comprises an open steel box body and a cover plate which is arranged on the open steel box body and can slide relative to the steel box body, wherein the cover plate comprises an upper cover plate and a lower cover plate which are fixed together in a superposed manner, the open steel box body is formed by at least one side of the upper cover plate, the edge of the lower cover plate is smaller than the inner size of the open steel box body, a vertical plate is vertically and fixedly arranged on the lower surface of the lower cover plate, and elastic materials are filled beside the vertical plate in the steel box body.
Further, the steel box body is a cuboid steel box body, flanges arranged along the length direction of the steel box body are arranged beside the opening part of the steel box body, the flanges are longer than the upper cover plate in the length direction of the steel box body, and bolt mounting holes are formed in the parts, longer than the flanges, of the upper cover plate.
Further, shear keys are arranged on two side surfaces of the vertical plate.
Further, the elastic material is rubber particles or rubber blocks.
Further, the width of the cover plate is flush with the width of the steel box body.
The invention uses a monolithic bridge of damper devices characterized in that: the integral bridge comprises a pile foundation, an abutment arranged on the pile foundation and a main beam connected to the upper portion of the abutment, wherein a foam concrete sleeper is arranged on the side portion of the abutment, opposite to the main beam, of the abutment, and a damper device is arranged on the foam concrete sleeper, a steel box body of the damper device is fixedly connected with the foam concrete sleeper, and an upper cover plate of the damper device is fixedly connected with the upper portion of the abutment.
Further, a connecting steel plate is embedded in the upper portion of the abutment, and the connecting steel plate is fixedly connected with the upper cover plate through bolts.
Further, the bottom of the steel box body is provided with a bolt hole, a bolt fixed with the foam concrete sleeper table is locked in the bolt hole, and a sliding layer which is favorable for the relative sliding of the cover plate is arranged between the upper cover plate and the flange of the steel box body.
The working method of the integral bridge is characterized in that: the integral bridge comprises a pile foundation, a bridge abutment arranged on the pile foundation and a main beam connected to the upper part of the bridge abutment, wherein a foam concrete sleeper and a damper device arranged on the foam concrete sleeper are arranged on the side part of the bridge abutment, which is opposite to the main beam, a steel box body of the damper device is fixedly connected with the foam concrete sleeper, and an upper cover plate of the damper device is fixedly connected with the upper part of the bridge abutment; when in assembly, firstly, prefabricating a steel box body, an upper cover plate and a lower cover plate of the damping device in a factory, and attaching a vertical plate of a shear key; fixing the prefabricated steel box body and the foam concrete sleeper table together; the sliding layers are arranged on flanges at two sides of the steel box body, and the lower cover plate and the vertical plate with the shear key are welded into a whole; and connecting the upper cover plate with a connecting steel plate poured together with the bridge abutment through bolts.
Further, the rear side of the foam concrete sleeper table is provided with a rear soil, and a wiring pavement and a pavement layer are arranged above the foam concrete sleeper table and the rear soil.
The damper device and the integral bridge and the working method thereof are suitable for the integral bridge, can be applied to the integral bridge, effectively reduce the amplitude of bridge vibration of the integral bridge under the action of earthquake, can absorb the earthquake energy transferred to a bridge structure under the action of earthquake, ensure the use safety of the integral bridge, and have simple structure, convenient construction and convenient replacement.
The invention will be described in further detail with reference to the drawings and the detailed description.
Drawings
FIG. 1 is a schematic view of a damper construction;
Fig. 2 is a schematic view of the construction of an integral bridge using a damper device.
Detailed Description
In order to make the above features and advantages of the present invention more comprehensible, embodiments accompanied with figures are described in detail below.
The damper device A suitable for the integral bridge comprises an open steel box body 1 and a cover plate 3 which is arranged on the open steel box body 2 in a covering manner and can slide relative to the steel box body, wherein the cover plate 3 comprises an upper cover plate 4 and a lower cover plate 5 which are overlapped and fixed together, at least one side of the upper cover plate 4 is longer than the open steel box body, the edge of the lower cover plate is smaller than the inner dimension of the open steel box body, the upper cover plate 4 approximately exceeds 30-50 cm of the steel box body in the bridge span direction (namely the length direction of the steel box body or the length direction of a main beam), bolt mounting holes 9 (used for being connected with a connecting steel plate 15) are reserved on the longer side, each side of the lower cover plate 5 is approximately smaller than the inner wall 10-15cm of the steel box body, and the upper cover plate 4 and the lower cover plate 5 are rectangular plate bodies.
The vertical plate 6 is vertically fixed on the lower surface of the lower cover plate, the elastic material 7 is filled beside the vertical plate 6 in the steel box body, the elastic material can be rubber particles or rubber blocks, and the like, the elastic material filled in the steel box body is compact, and the effects of energy dissipation and shock absorption and the vibration reduction of the structure are achieved when large, medium and small shocks occur.
The steel box body is a cuboid steel box body, flanges 8 arranged along the length direction of the steel box body are arranged at two sides of the opening part of the steel box body, the flanges extend outwards for 20cm approximately along the bridge span direction (namely the length direction of the steel box body or the length direction of the main girder), the flanges can also be rectangular, and the flanges extend into the foam concrete pillow platform.
The upper cover plate 4 is provided with a flange 8 (rectangular) in the length direction of the steel box body, and the part of the upper cover plate 4, which is provided with the flange, is provided with a bolt mounting hole 9, and the bolt mounting hole 9 is used for being fixedly connected with a bolt hole reserved on the connecting steel plate 15 through bolts.
Further, the shear keys 10 are densely arranged on two side surfaces of the vertical plate, the shear keys 10 can be T-shaped bolts or T-shaped heads, and the interaction effect of the vertical plate and the elastic material can be improved through the shear keys 10.
Further, for reasonable in design, the width of above-mentioned apron and the width parallel and level of steel box.
The invention discloses an integral bridge using a damper device, which comprises a pile foundation 11, an abutment 12 arranged on the pile foundation and a main beam 13 connected to the upper part of the abutment, wherein a foam concrete sleeper 14 and a damper device A arranged on the foam concrete sleeper are arranged on the side part of the abutment 12 opposite to the main beam, a steel box body 1 of the damper device A is fixedly connected with the foam concrete sleeper 14, and an upper cover plate 4 of the damper device is fixedly connected with the upper part of the abutment 12.
The steel box body 1 of the damper device is connected with the foam concrete sleeper stand 14, the upper cover plate 4 is arranged on the upper box body, the upper cover plate 4 is connected with the flexible bridge stand, the vertical plate 6 is welded at the lower end of the upper cover plate 4, the damper device can play a good role in energy consumption under the expansion and deformation of the main beam, the elastic materials at two sides are extruded by the vertical plate 6 attached with the shear key 10 to achieve the role in energy dissipation and shock absorption, the structure is simple, the installation is convenient, the replacement is easy, the cost is low, the earthquake energy can be dissipated in a large amount, and the use requirement of the integral bridge in a strong earthquake area is better met.
The bridge abutment upper portion is pre-buried through concrete placement has the connection steel sheet 15, connection steel sheet 15 passes through bolt realization fixed connection with upper cover plate 4, reserves a bolt pore on the connection steel sheet 15, and connection steel sheet 15 and upper cover plate 4 are in the same place through reserving bolt pore and last bolt fixed connection.
The bottom of the steel box body is provided with a bolt hole, a bolt 16 fixed with the foam concrete sleeper is locked in the bolt hole, a sliding layer 17 which is beneficial to the relative sliding of the cover plate is arranged between the upper cover plate and the flange of the steel box body, and the sliding layer 17 can be graphite powder and the like.
The invention relates to a working method of an integral bridge, which comprises a pile foundation 11, an abutment 12 arranged on the pile foundation and a main beam 13 connected to the upper part of the abutment, wherein a foam concrete sleeper 14 and a damper device A arranged on the foam concrete sleeper are arranged on the side part of the abutment 12 opposite to the main beam, a steel box body 1 of the damper device A is fixedly connected with the foam concrete sleeper 14, and an upper cover plate 4 of the damper device is fixedly connected with the upper part of the abutment 12; when in assembly, firstly, the steel box body 1, the upper cover plate 4 and the lower cover plate 5 of the damping device are prefabricated in a factory, and the vertical plate 6 of the shear key 10 is attached; fixing the prefabricated steel box body 1 and the foam concrete sleeper 14 together; the sliding layers are arranged on flanges at two sides of the steel box body, and the lower cover plate and the vertical plate with the shear key are welded into a whole; and connecting the upper cover plate with a connecting steel plate poured together with the bridge abutment through bolts.
Further, the rear side of the foam concrete sleeper 14 is provided with a post-sleeper soil 18, and a wiring road surface 19 and a road surface paving layer 20 are arranged above the foam concrete sleeper and the post-sleeper soil.
The damper device and the integral bridge and the working method thereof are suitable for the integral bridge, can be applied to the integral bridge, effectively reduce the amplitude of bridge vibration of the integral bridge under the action of earthquake, can absorb the earthquake energy transferred to a bridge structure under the action of earthquake, ensure the use safety of the integral bridge, and have simple structure, convenient construction and convenient replacement.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present invention and not for limiting the same; while the invention has been described in detail with reference to the preferred embodiments, it will be understood by those skilled in the art that the present invention may be modified and equivalents substituted for elements thereof; without departing from the spirit of the invention, it is intended to cover the scope of the invention as claimed.
Claims (6)
1. A damper device for a solid bridge, characterized by: the steel box comprises an open steel box body and a cover plate which is arranged on the open steel box body and can slide relative to the steel box body, wherein the cover plate comprises an upper cover plate and a lower cover plate which are overlapped and fixed together, at least one side of the upper cover plate grows out of the open steel box body, the edge of the lower cover plate is smaller than the inner dimension of the open steel box body, a vertical plate is vertically and fixedly arranged on the lower surface of the lower cover plate, and elastic materials are filled beside the vertical plate in the steel box body; the steel box body is a cuboid steel box body, a flange arranged along the length direction of the steel box body is arranged beside the opening part of the steel box body, the flange is longer than the upper cover plate in the length direction of the steel box body, and a bolt mounting pore canal is formed in the part of the upper cover plate longer than the flange; shear keys are arranged on two side surfaces of the vertical plate; the upper cover plate and the lower cover plate are rectangular plate bodies, the elastic material is rubber particles or rubber blocks, the flange is rectangular, and the flange extends into the foam concrete sleeper; the width of apron and the width parallel and level of steel box.
2. A one-piece bridge using the damper device of claim 1, wherein: the integral bridge comprises a pile foundation, an abutment arranged on the pile foundation and a main beam connected to the upper portion of the abutment, wherein a foam concrete sleeper is arranged on the side portion of the abutment, opposite to the main beam, of the abutment, and a damper device is arranged on the foam concrete sleeper, a steel box body of the damper device is fixedly connected with the foam concrete sleeper, and an upper cover plate of the damper device is fixedly connected with the upper portion of the abutment.
3. The integral bridge of claim 2, wherein: the bridge abutment is characterized in that a connecting steel plate is embedded in the upper portion of the bridge abutment, and the connecting steel plate is fixedly connected with the upper cover plate through bolts.
4. The integral bridge of claim 2, wherein: the bottom of the steel box body is provided with a bolt hole, a bolt fixed with the foam concrete sleeper table is locked in the bolt hole, and a sliding layer which is favorable for the relative sliding of the cover plate is arranged between the upper cover plate and the flange of the steel box body.
5. A method of operating the integral bridge of claim 2, wherein: the integral bridge comprises a pile foundation, a bridge abutment arranged on the pile foundation and a main beam connected to the upper part of the bridge abutment, wherein a foam concrete sleeper and a damper device arranged on the foam concrete sleeper are arranged on the side part of the bridge abutment, which is opposite to the main beam, a steel box body of the damper device is fixedly connected with the foam concrete sleeper, and an upper cover plate of the damper device is fixedly connected with the upper part of the bridge abutment; when in assembly, firstly, prefabricating a steel box body, an upper cover plate and a lower cover plate of the damping device in a factory, and attaching a vertical plate of a shear key; fixing the prefabricated steel box body and the foam concrete sleeper table together; the sliding layers are arranged on flanges at two sides of the steel box body, and the lower cover plate and the vertical plate with the shear key are welded into a whole; and connecting the upper cover plate with a connecting steel plate poured together with the bridge abutment through bolts.
6. The method of operation of a monolithic bridge of claim 5, wherein: the rear side of the foam concrete sleeper table is provided with post-table soil, and wiring pavement and pavement layers are arranged above the foam concrete sleeper table and the post-table soil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011063805.2A CN112095450B (en) | 2020-10-01 | 2020-10-01 | Damper device suitable for integral bridge, integral bridge and working method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011063805.2A CN112095450B (en) | 2020-10-01 | 2020-10-01 | Damper device suitable for integral bridge, integral bridge and working method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112095450A CN112095450A (en) | 2020-12-18 |
| CN112095450B true CN112095450B (en) | 2024-05-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011063805.2A Active CN112095450B (en) | 2020-10-01 | 2020-10-01 | Damper device suitable for integral bridge, integral bridge and working method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112095450B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007239306A (en) * | 2006-03-08 | 2007-09-20 | Tokai Rubber Ind Ltd | Method of mounting base isolation damper |
| CN110904825A (en) * | 2020-01-10 | 2020-03-24 | 福州大学 | Damper-replaceable flexible main bridge abutment for multistage bridge abutment of integral bridge and application of damper-replaceable flexible main bridge abutment |
| CN213508003U (en) * | 2020-10-01 | 2021-06-22 | 福州大学 | Damper device suitable for integral bridge and integral bridge |
-
2020
- 2020-10-01 CN CN202011063805.2A patent/CN112095450B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007239306A (en) * | 2006-03-08 | 2007-09-20 | Tokai Rubber Ind Ltd | Method of mounting base isolation damper |
| CN110904825A (en) * | 2020-01-10 | 2020-03-24 | 福州大学 | Damper-replaceable flexible main bridge abutment for multistage bridge abutment of integral bridge and application of damper-replaceable flexible main bridge abutment |
| CN213508003U (en) * | 2020-10-01 | 2021-06-22 | 福州大学 | Damper device suitable for integral bridge and integral bridge |
Non-Patent Citations (1)
| Title |
|---|
| 均匀温度下多跨半刚接整体桥受力性能;许震等;福州大学学报( 自然科学版);20191031;第47卷(第5期);第669-682页 * |
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| Publication number | Publication date |
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| CN112095450A (en) | 2020-12-18 |
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