CN212153074U - Shock-absorbing device for enhancing shock resistance of arch-type commercial gallery bridge - Google Patents
Shock-absorbing device for enhancing shock resistance of arch-type commercial gallery bridge Download PDFInfo
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- CN212153074U CN212153074U CN202020340183.2U CN202020340183U CN212153074U CN 212153074 U CN212153074 U CN 212153074U CN 202020340183 U CN202020340183 U CN 202020340183U CN 212153074 U CN212153074 U CN 212153074U
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Abstract
The utility model discloses a reinforcing hunch formula commercial gallery bridge shock resistance's damping device, including shear rod, anchor piece and cable at least, shear the rod the anchor piece with the cable all sets up in bridge floor movement joint department, shear the rod pre-buried longeron and hunch up diaphragm wall department, the cable sets up the longeron with hunch up diaphragm wall department and form the drawknot. The utility model can consume part of energy to protect the bridge body when the shear resistant rod is broken under the action of earthquake, the inhaul cable can play a role of buffering and limiting, the earthquake deflection amplitude of the gallery building foundation is reduced, and the shock resistance of the commercial gallery bridge is enhanced; the utility model discloses structural construction is simple, design scientific and reasonable, can effectively consume seismic energy, reduce commercial gallery bridge's bridge floor displacement, subduct the root bending moment of the last diaphragm wall of hunch and top displacement thereof, increase the antidetonation ductility of commercial gallery bridge, prevent to encircle the collapse nature destruction of last diaphragm wall.
Description
Technical Field
The utility model relates to a shelter bridge technical field especially relates to a reinforcing arch type commercial shelter bridge shock resistance's damping device.
Background
The modern large-scale commercial gallery bridge integrates the functions of commerce, entertainment, traffic and the like, and has the characteristics of large scale, diversified functions, materials and structural forms, complex mechanical behavior and the like. Because the corridor building structures of the bridge and the bridge floor respectively belong to building structure forms of different industries, different industrial standards are implemented, the foundation of the corridor building is a bridge floor structure (not directly located on the ground), and the corridor building structure is different from the boundary conditions of the conventional commercial building foundation, the earthquake-resistant coupling of the bridge structure and the archaized corridor building structure and the effective connection in the aspects of earthquake resistance, deformation coordination, mechanical property matching and the like are researched, the corridor building structure is particularly important for improving the earthquake resistance of the commercial corridor bridge structure, and is also an important condition for ensuring the safety of the commercial corridor bridge structure; most of the existing large commercial gallery bridges are complex in anti-seismic coupling of bridge structures and antique gallery building structures and effective connection structures in the aspects of anti-seismic, deformation coordination, mechanical property matching and the like, and are unreasonable in design, so that the bridge deck of the commercial gallery bridge, the root bending moment of the upper arch transverse wall and the top of the upper arch transverse wall are easy to generate large displacement due to vibration, and the upper arch transverse wall is damaged in a collapsing manner.
The person skilled in the art is dedicated to solving the above technical drawbacks.
SUMMERY OF THE UTILITY MODEL
In view of the above-mentioned drawbacks of the prior art, the technical purpose of the present invention is to solve the problems mentioned in the background art.
For realizing above-mentioned technical purpose, the utility model provides a reinforcing hunch formula commercial gallery bridge shock resistance's damping device includes shear rod, anchor piece and cable at least, shear rod anchor piece with the cable all sets up in bridge floor movement joint department, shear rod pre-buried in longeron and last diapire department of hunch, the cable sets up the longeron with last diapire outside department of hunch forms the drawknot.
Preferably, the connection part of the stay cable, the longitudinal beam and the arch transverse wall is anchored by the anchoring block.
Preferably, the end of the stay cable is anchored with the longitudinal beam and the arched transverse wall through an anchoring bolt.
The utility model has the advantages that:
due to the structural design, under the action of an earthquake, part of energy can be consumed to protect the bridge body (increase the anti-seismic ductility) when the shear resistant rod is broken, the stay cable can play a role in buffering and limiting, the earthquake deflection amplitude of the gallery building foundation (bridge deck structure) is reduced, and the anti-seismic capacity of the commercial gallery bridge is enhanced; the utility model discloses structural construction is simple, design scientific and reasonable, can effectively consume seismic energy, reduce commercial gallery bridge's bridge floor displacement, subduct the root bending moment of the last diaphragm wall of hunch and top displacement thereof, increase the antidetonation ductility of commercial gallery bridge, prevent to encircle the collapse nature destruction of last diaphragm wall.
Drawings
FIG. 1 is a schematic view of the present invention in use;
fig. 2 is a schematic structural diagram of the present invention.
In the figure: 1 longitudinal beam, 2 bridge decks, 3 corridor building columns, 4 bridge deck deformation joints, 5 arch transverse walls, 6 arch rings, 7 damping devices, 71 shear rods, 72 anchoring blocks, 73 inhaul cables and 74 anchoring bolts.
Detailed Description
The conception, the specific structure and the technical effects of the present invention will be further described with reference to the accompanying drawings, so as to fully understand the objects, the features and the effects of the present invention.
Example (b):
as shown in fig. 1-2, a shock-absorbing device for enhancing the shock resistance of an arch-type commercial gallery bridge at least comprises a shear-resistant bar 71, an anchoring block 72 and a guy cable 73, wherein the shear-resistant bar 71, the anchoring block 72 and the guy cable 73 are all arranged at a deformation joint 4 of a bridge deck, the shear-resistant bar 71 is pre-embedded at a longitudinal beam 1 and an arch transverse wall 5, the guy cable 73 is arranged at the outer side of the longitudinal beam 1 and the arch transverse wall 5 and forms a pulling knot, the joints of the guy cable 73 and the longitudinal beam 1 and the arch transverse wall 5 are anchored through the anchoring block 72, and the end part of the guy cable 73 is anchored with the longitudinal beam 1 and the arch transverse wall 5.
Specifically, corridor building column 3 on the bridge corresponds with hunch up horizontal wall 5 and is connected (rigid connection), sets up longeron 1 in decking 2 and links into whole with 3 column bottoms of corridor building column and hunch up horizontal wall 5, increases the overall stability of structure.
Specifically, the bridge deck 2 adopts a segmented cast-in-place structure, and rigid connection is adopted at the joint of the upper arch transverse wall 5 and the gallery building upright post according to the stress characteristics of the gallery building structure.
Specifically, a transverse bridge deck deformation joint 4 is arranged at the bridge deck 2 corresponding to the position of an arch transverse wall 5 in the longitudinal direction of the bridge and in the span of the gallery building. Meanwhile, a felt (simple support structure) is arranged between the top of the arch transverse wall 5 and the longitudinal beam 1 in the bridge deck 2, so that the longitudinal deformation coordination of the arch bridge structure and the gallery building structure is adapted; the bottom of the arch transverse wall 5 is connected with an arch ring 6.
Specifically, the shear bar 71, the anchor block 72 and the inhaul cable 73 form a damping device 7; under the earthquake action, when the shear rod 71 is broken, part of energy can be consumed to protect the bridge body (increase the anti-seismic ductility), the inhaul cable 73 can play a role in buffering and limiting, the earthquake deflection amplitude of a gallery building foundation (bridge deck structure) is reduced, and the anti-seismic capacity of the commercial gallery bridge is enhanced.
The foregoing has described in detail preferred embodiments of the present invention. It should be understood that numerous modifications and variations can be devised by those skilled in the art in light of the teachings of the present invention without undue experimentation. Therefore, the technical solutions that can be obtained by a person skilled in the art through logic analysis, reasoning or limited experiments based on the prior art according to the concepts of the present invention should be within the scope of protection defined by the claims.
Claims (3)
1. The utility model provides an strengthen shock attenuation device of arch type commercial shelter bridge shock resistance which characterized in that: at least, including shearing excellent (71), anchor piece (72) and cable (73), shear excellent (71) anchor piece (72) with cable (73) all set up in bridge floor movement joint (4) department, shear excellent (71) are pre-buried in longeron (1) and last transverse wall (5) department of hunch, cable (73) set up longeron (1) with last transverse wall (5) outside department and formation drawknot encircle.
2. The shock absorbing device for enhancing the shock resistance of an arched commercial veranda bridge according to claim 1, wherein: the connection part of the guy cable (73) and the longitudinal beam (1) and the arch transverse wall (5) is anchored by the anchoring block (72).
3. The shock absorbing device for enhancing the shock resistance of an arched commercial veranda bridge according to claim 1, wherein: the end part of the inhaul cable (73) is anchored with the longitudinal beam (1) and the arch transverse wall (5) through an anchoring bolt (74).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020340183.2U CN212153074U (en) | 2020-03-18 | 2020-03-18 | Shock-absorbing device for enhancing shock resistance of arch-type commercial gallery bridge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020340183.2U CN212153074U (en) | 2020-03-18 | 2020-03-18 | Shock-absorbing device for enhancing shock resistance of arch-type commercial gallery bridge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212153074U true CN212153074U (en) | 2020-12-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020340183.2U Active CN212153074U (en) | 2020-03-18 | 2020-03-18 | Shock-absorbing device for enhancing shock resistance of arch-type commercial gallery bridge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212153074U (en) |
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2020
- 2020-03-18 CN CN202020340183.2U patent/CN212153074U/en active Active
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