CN211922132U - Structure for relieving bump at bridge head - Google Patents

Structure for relieving bump at bridge head Download PDF

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Publication number
CN211922132U
CN211922132U CN202020361528.2U CN202020361528U CN211922132U CN 211922132 U CN211922132 U CN 211922132U CN 202020361528 U CN202020361528 U CN 202020361528U CN 211922132 U CN211922132 U CN 211922132U
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CN
China
Prior art keywords
butt strap
bridge head
piling bar
bump
main
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.)
Expired - Fee Related
Application number
CN202020361528.2U
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Chinese (zh)
Inventor
张志青
祁锦平
石强
冀智勇
王欣亮
侯彦辉
张强
周高峰
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
China Railway 12th Bureau Group Co Ltd
Second Engineering Co Ltd of China Railway 12th Bureau Group Co Ltd
Original Assignee
China Railway 12th Bureau Group Co Ltd
Second Engineering Co Ltd of China Railway 12th Bureau Group Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by China Railway 12th Bureau Group Co Ltd, Second Engineering Co Ltd of China Railway 12th Bureau Group Co Ltd filed Critical China Railway 12th Bureau Group Co Ltd
Priority to CN202020361528.2U priority Critical patent/CN211922132U/en
Application granted granted Critical
Publication of CN211922132U publication Critical patent/CN211922132U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

A structure for relieving the bump at the bridge head belongs to the technical field of prevention and control of bump at the bridge head in road engineering, aims to solve the problem of potential safety hazard caused by bump at the bridge head in the prior art, comprises a bridge head and a foundation positioned on one side of the bridge head, the ground upper berth is equipped with the basic unit, the basic unit upper berth is equipped with concrete layer, be equipped with main attachment strap on the concrete layer, the one end of main attachment strap is connected with vice attachment strap, the other end is connected with the bridgehead, be equipped with a plurality of concrete layers that pass in proper order in the ground, the fixed piling bar of basic unit, be equipped with a plurality of play of passing fixed piling bar from last down on the fixed piling bar and prevent the steel sheet that subsides, the steel sheet is perpendicular with fixed piling bar, the both sides of the link of fixed piling bar and steel sheet are equipped with the locating plate of L shape, the lateral wall of locating plate and fixed piling bar is equipped with the location jack, be equipped with the location inserted bar that passes the. The utility model discloses can avoid the problem of bridgehead bump car.

Description

Structure for relieving bump at bridge head
Technical Field
The utility model belongs to the technical field of road engineering bridgehead bump prevention and cure, concretely relates to alleviate structure of bridgehead bump.
Background
The bump at the bridge head means that the structures such as bridges, channels, culverts and the like and the abutment backfill parts continue to subside under the action of the driving load and the dead weight, and usually the differential settlement is generated when the settlement of the structures is inconsistent with the settlement of the abutment, so that steps are generated on the road surface at the joint of the abutment and the structures, and the phenomenon of bumping and jumping of the vehicles running at high speed through the abutment backfill parts is caused.
The vehicle has to reduce the speed due to the existence of the vehicle jumping, so that the use function and the traffic capacity of the road are greatly influenced; in addition, the jumping causes the driver and the passenger to feel uncomfortable, the mood is not fast and the fatigue is easy, and the carried goods are easy to damage; the serious vehicle jumping can cause traffic accidents such as vehicle rollover, rear-end collision and the like, threatens the safety of people, vehicles and property, and causes loss of life and property.
Disclosure of Invention
An object of the utility model is to solve the problem of the potential safety hazard that causes because of the bridgehead car jump among the prior art, provide a structure of alleviating bridgehead car jump problem.
The utility model adopts the following technical scheme:
the utility model provides a alleviate structure of bridgehead jump car, include the bridgehead and be located the ground of bridgehead one side, the ground upper berth is equipped with the basic unit, the basic unit upper berth is equipped with concrete layer, be equipped with main attachment strap on the concrete layer, the one end of main attachment strap is connected with vice attachment strap, the other end is connected with the bridgehead, be equipped with a plurality of concrete layers that pass in proper order in the ground, the fixed piling bar of basic unit, be equipped with a plurality of play of passing fixed piling bar from last down on the fixed piling bar and prevent the steel sheet that subsides, the steel sheet is perpendicular with fixed piling bar, the both sides of the link of fixed piling bar and steel sheet are equipped with the locating plate of L shape, the lateral wall of locating plate and fixed piling bar is equipped with the location jack.
The positioning plates are symmetrically arranged relative to the axis of the fixed steel pile.
The steel plates are arranged at equal intervals.
And a T-shaped groove is formed in one side of the connecting end of the main butt strap and the auxiliary butt strap, and a T-shaped connecting block matched with the T-shaped groove is formed in one side of the connecting end of the auxiliary butt strap and the main butt strap.
The bridge head is provided with a groove at the connecting end of the main butt strap, and the main butt strap is positioned in the groove.
The bottom of the part, located in the groove, of the main butt strap is provided with a plurality of fixing columns, and fixing grooves matched with the fixing columns are formed in the groove.
And a grouting layer is arranged in the gap between the connecting ends of the grooves and the main butt strap.
The utility model has the advantages as follows:
the utility model discloses, whether lay the vice attachment strap according to the road bed area demand selection when laying main attachment strap and vice attachment strap, utilize the cooperation of T shape connecting block and T-slot to make main attachment strap and vice attachment strap can relatively stabilize and link together and stress each other when putting up, make the fixed column of main attachment strap lower extreme insert in the fixed slot again, the gap department grout between recess and the main attachment strap is connected, realize the firm connection between main attachment strap one end and bridgehead, can make the atress of main attachment strap convey to bridgehead department in step, avoid the main attachment strap atress subside take place with the difference in height of bridgehead, avoid the bridgehead and main attachment strap junction can produce the settlement joint and cause the problem of bridgehead jump car, and through the anti-settlement steel sheet that is equipped with, the horizontal setting of anti-settlement steel sheet makes main attachment strap and vice attachment strap can great increase the lifting surface in the ground on the anti-settlement steel sheet at the in-process effort of subsiding, the settlement pressure is reduced, the settlement amount of the main butt strap and the auxiliary butt strap is effectively reduced, and the problem of bumping at the bridge head is further avoided.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged view of a portion of FIG. 1;
wherein: 1-bridgehead; 2-foundation; 3-a base layer; 4-concrete layer; 5-main butt strap; 6-auxiliary butt strap; 7-fixing the steel piles; 8-steel plate; 9-positioning plate; 10-positioning inserted link; 11-positioning blocks; 12-fixed column.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings.
The utility model provides a alleviate structure of bridgehead jump car, include bridgehead 1 and the ground 2 that is located bridgehead 1 one side, 2 upper berths of ground are equipped with basic unit 3, 3 upper berths of basic unit are equipped with concrete layer 4, be equipped with main attachment strap 5 on concrete layer 4, the one end of main attachment strap 5 is connected with vice attachment strap 6, the other end is connected with bridgehead 1, be equipped with a plurality of concrete layer 4 of passing in proper order in the ground 2, the fixed piling bar 7 of basic unit 3, be equipped with a plurality of play of passing fixed piling bar 7 from last to preventing steel sheet 8 that subsides down on the fixed piling bar 7, steel sheet 8 is perpendicular with fixed piling bar 7, the both sides of the link of fixed piling bar 7 and steel sheet 8 are equipped with the locating plate 9 of L shape, the lateral wall of locating plate 9 and fixed piling bar 7 is equipped with location jack, be equipped with the location inserted bar 10 that passes location.
The positioning plates 9 are symmetrically arranged relative to the axis of the fixed steel pile 7.
The steel plates 8 are arranged at equal intervals.
One side of the connecting end of the main butt strap 5 and the auxiliary butt strap 6 is provided with a T-shaped groove, and one side of the connecting end of the auxiliary butt strap 6 and the main butt strap 5 is provided with a T-shaped connecting block matched with the T-shaped groove. Whether the auxiliary access board 6 is laid or not is selected according to the area requirement of the roadbed, and the main access board 5 and the auxiliary access board 6 can be relatively and stably connected together to bear the force mutually by utilizing the matching of the T-shaped connecting block and the T-shaped connecting groove when the roadbed is built.
The bridge head 1 is provided with a groove at the connecting end of the main butt strap 5, and the main butt strap 5 is positioned in the groove.
The bottom of the part, located in the groove, of the main butt strap 5 is provided with a plurality of fixing columns 12, and fixing grooves matched with the fixing columns 12 are formed in the groove. The main butt strap 5 and the bridge head 1 can be connected together relatively firmly.
And a grouting layer is arranged in the gap between the connecting ends of the grooves and the main butt strap 5. The stability of the connecting structure is ensured.
In the utility model, when in use, a part of shallow foundation 1 is laid firstly, pile holes are laid on the shallow foundation 1, the lower ends of the fixed steel piles 7 are inserted into the pile holes firstly, then the gap between the pile holes and the fixed steel piles 7 is filled and reinforced, positioning insertion rods 10 are inserted into the positioning insertion holes of the fixed steel piles 7 and the L-shaped positioning plates 9, positioning blocks 11 are welded at the two ends of the positioning insertion rods 10, the stable connection between the L-shaped positioning plates 9 and the fixed steel piles 7 is realized, then the repeated laying work is continued upwards in sequence, the base layer 3, the concrete layer 4, the main butt strap 5 and the auxiliary butt strap 6 are laid in sequence on the uppermost layer, whether the auxiliary butt strap 6 is laid or not is selected according to the roadbed area requirement when the main butt strap 5 and the auxiliary butt strap 6 are laid, the main butt strap 5 and the auxiliary butt strap 6 can be stably connected together relatively and mutually stressed by utilizing the matching of the T-shaped connecting blocks and the T-shaped connecting grooves when the auxiliary butt, the fixing columns 12 at the lower end of the main butt strap 5 are inserted into the fixing grooves, the grooves are connected with gaps between the main butt strap 5 in a grouting mode, stable connection between one end of the main butt strap 5 and the bridge head 1 is achieved, stress of the main butt strap 5 can be synchronously transmitted to the bridge head 1, the main butt strap 5 is prevented from being subjected to stress settlement and generating height difference with the bridge head 1, the problem that the bridge head jumps due to the fact that settlement seams can be generated at the joint of the bridge head 1 and the main butt strap 5 is avoided, and through the anti-settlement steel plate 8, the steel plate 8 is transversely arranged, so that acting force of the main butt strap 5 and the auxiliary butt strap 6 in the settlement process can greatly increase the stress area in the foundation 2 on the steel plate 8, settlement pressure is reduced, settlement amount of the main butt strap 5 and the auxiliary butt strap 6 is effectively reduced, and the problem of bridge head jumping is further avoided.

Claims (7)

1. The utility model provides an alleviate structure of bridgehead skip car, includes bridgehead (1) and is located ground (2) of bridgehead (1) one side, its characterized in that: a base layer (3) is laid on the foundation (2), a concrete layer (4) is laid on the base layer (3), a main butt strap (5) is arranged on the concrete layer (4), one end of the main butt strap (5) is connected with an auxiliary butt strap (6), the other end of the main butt strap is connected with the bridge head (1), a plurality of concrete layers (4) are arranged in the foundation (2) and sequentially penetrate through the foundation, fixed piling bar (7) of basic unit (3), be equipped with a plurality of play of passing fixed piling bar (7) from last to down on fixed piling bar (7) and prevent steel sheet (8) that subside, steel sheet (8) are perpendicular with fixed piling bar (7), the both sides of the link of fixed piling bar (7) and steel sheet (8) are equipped with locating plate (9) of L shape, the lateral wall of locating plate (9) and fixed piling bar (7) is equipped with the location jack, be equipped with location inserted bar (10) that pass the location jack in the location jack, the both ends of location inserted bar (10) are equipped with locating piece (11) respectively.
2. The structure for relieving bump at bridge head of claim 1, wherein: the positioning plates (9) are symmetrically arranged relative to the axis of the fixed steel pile (7).
3. The structure for relieving bump at bridge head of claim 1, wherein: the steel plates (8) are arranged at equal intervals.
4. The structure for relieving bump at bridge head of claim 1, wherein: one side of the connecting end of the main butt strap (5) and the auxiliary butt strap (6) is provided with a T-shaped groove, and one side of the connecting end of the auxiliary butt strap (6) and the main butt strap (5) is provided with a T-shaped connecting block matched with the T-shaped groove.
5. The structure for relieving bump at bridge head of claim 1, wherein: the bridge head (1) is provided with a groove at the connecting end of the main butt strap (5), and the main butt strap (5) is positioned in the groove.
6. The structure for relieving bump at bridge head of claim 5, wherein: the bottom of the part, located in the groove, of the main butt strap (5) is provided with a plurality of fixing columns (12), and fixing grooves matched with the fixing columns (12) are formed in the groove.
7. The structure for relieving bump at bridge head of claim 6, wherein: and a grouting layer is arranged in the gap between the connecting ends of the grooves and the main butt strap (5).
CN202020361528.2U 2020-03-20 2020-03-20 Structure for relieving bump at bridge head Expired - Fee Related CN211922132U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202020361528.2U CN211922132U (en) 2020-03-20 2020-03-20 Structure for relieving bump at bridge head

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202020361528.2U CN211922132U (en) 2020-03-20 2020-03-20 Structure for relieving bump at bridge head

Publications (1)

Publication Number Publication Date
CN211922132U true CN211922132U (en) 2020-11-13

Family

ID=73354804

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202020361528.2U Expired - Fee Related CN211922132U (en) 2020-03-20 2020-03-20 Structure for relieving bump at bridge head

Country Status (1)

Country Link
CN (1) CN211922132U (en)

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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20201113

CF01 Termination of patent right due to non-payment of annual fee