CN210856936U

CN210856936U - Anti-cracking device for highway bridge

Info

Publication number: CN210856936U
Application number: CN201921724155.4U
Authority: CN
Inventors: 魏斌建; 赵平; 屈洋; 郭卫伦
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-10-15
Filing date: 2019-10-15
Publication date: 2020-06-26
Anticipated expiration: 2029-10-15

Abstract

The utility model relates to an anti-cracking device for highway bridges, which comprises a left pier and a right pier, wherein the left pier is arranged on the left side of the right pier, a middle main support pier is arranged between the left pier and the right pier, the top of the middle main support pier is fixedly connected with a support bridge floor, the top of the support bridge floor is fixedly connected with a main bridge floor, the main bridge floor is fixedly connected with the top of the left pier and the top of the right pier, a connecting beam is fixedly connected between the middle main support pier and the left pier and between the middle main support pier and the right pier, a spring is sleeved outside the connecting beam, a shear bolt is fixedly connected between the support bridge floor and the main bridge floor, a first support beam is arranged inside the left pier and the right pier, a second support beam is arranged inside the middle main support pier, reinforcing beams are fixedly connected between the support bridge floor and the left pier and the right pier, and, meanwhile, the support device has better support capability, stable structure and long service life.

Description

Anti-cracking device for highway bridge

Technical Field

The utility model relates to a crack control device for public road bridge roof beam belongs to bridge equipment field.

Background

In the 30 s of the 20 th century, the research on prestressed concrete and high-strength steel products, the research on the plastic theory and the limit theory of materials, the research on bridge vibration, the research on aerodynamics, the research on soil mechanics and the like have been greatly developed, so that a scientific basis is provided for saving bridge building materials, reducing bridge weight, predicting foundation sinking depth and determining bearing capacity of the bridge, modern bridges can be divided into prestressed reinforced concrete bridges, reinforced concrete bridges and steel bridge bridges according to the bridge building materials, generally refer to structures erected on rivers, lakes and seas to enable vehicles, pedestrians and the like to smoothly pass through, the bridge is also drawn to be a structure which is erected to span mountain mountains, unfavorable geology or meet other traffic requirements to enable the vehicles to pass through more conveniently, and the bridge generally consists of an upper structure, a lower structure, a support and an auxiliary structure, the upper structure is also called a bridge span structure and is a main structure for crossing obstacles; the lower structure comprises a bridge abutment, a bridge pier and a foundation; the support is a force transmission device arranged at the supporting positions of the bridge span structure and the bridge pier or the bridge abutment; the auxiliary structures refer to bridge head butt straps, conical slope protection, bank protection, diversion engineering and the like, the anti-cracking function of the highway bridge has important safety, and meanwhile, the structural stability of the bridge is very necessary for the service life.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model overcomes current defect, provides a crack control device for highway bridge, and main bridge floor has better anti-cracking capability that shocks resistance, has better support ability simultaneously, stable in structure, and long service life can effectively solve the problem in the background art.

In order to solve the technical problem, the utility model provides a following technical scheme:

the utility model provides an anti-cracking device for highway bridge, includes left pier, right pier, left side pier sets up in right pier left side, be equipped with middle main tributary between left side pier, the right pier and prop the pier, middle main support pier top fixedly connected with supports the bridge floor, support bridge floor top fixedly connected with owner bridge floor, just owner bridge floor fixed connection is at left pier, right pier top, middle main tributary props equal fixedly connected with between pier and left pier, the right pier and is connected the crossbeam, it is equipped with the spring to connect crossbeam outside cover, support fixedly connected with shear force bolt between bridge floor, the owner bridge floor, left side pier, the inside first supporting beam that all is equipped with of right pier, middle main tributary props the inside second supporting beam that is equipped with of pier, support equal fixedly connected with reinforcing beam between bridge floor and left pier, the right pier.

Further, the springs are fixedly connected between the left pier and the middle main support pier, and between the right pier and the middle main support pier.

Further, the reinforcing beam is fixedly connected with the first supporting beam.

Furthermore, two ends of the connecting beam are respectively and fixedly connected with the first supporting beam and the second supporting beam.

Further, a rubber anti-cracking layer and anti-cracking steel wire fibers are arranged in the main bridge floor.

Further, the rubber anti-cracking layer is arranged above the anti-cracking steel wire fibers.

The utility model discloses beneficial effect: the utility model provides a crack control device for highway bridge, through the rubber anticracking layer that sets up in the main bridge face, crack control steel wire fibre and shear force bolt, can effectively play the support cushioning effect when the car traveles to main bridge face production pressure, better crack control function has, left pier through setting up, right side pier, middle main support pier can share the power that the bridge floor received, simultaneously with left pier through connecting the crossbeam, right side pier, middle main support pier is connected, further stability has been improved, overall structure passes through first supporting beam, a second supporting beam, it constitutes overall structure to connect the crossbeam, can effectively improve life, main bridge face has better anti-shock crack control ability, better support ability has simultaneously, stable in structure, long service life.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.

Fig. 1 is a front view of the utility model discloses an anti-cracking device for highway bridge.

Fig. 2 is the utility model discloses a crack control device cross-sectional view for public road bridge roof beam.

Fig. 3 is the utility model discloses a crack control device left side view for public road bridge roof beam.

Fig. 4 is a cross-sectional view of the main bridge deck of the anti-cracking device for the highway bridge.

Reference numbers in the figures: 1. a left pier; 2. a right bridge pier; 3. supporting the bridge deck; 4. a main deck; 5. the middle main support pier; 6. connecting the cross beam; 7. a spring; 8. a shear bolt; 9. a second support beam; 10. reinforcing the beam; 11. a first support beam; 12. a rubber anti-cracking layer; 13. anti-cracking steel wire fiber.

Detailed Description

The present invention will be further described with reference to the following embodiments, wherein the drawings are for illustrative purposes only and are not intended to be limiting, and in order to better illustrate the embodiments of the present invention, some components of the drawings may be omitted, enlarged or reduced and do not represent the size of an actual product.

Example 1

As shown in fig. 1-4, an anti-cracking device for a road bridge comprises a left pier 1 and a right pier 2, wherein the left pier 1 is arranged on the left side of the right pier 2, an intermediate main support pier 5 is arranged between the left pier 1 and the right pier 2, the top of the intermediate main support pier 5 is fixedly connected with a support bridge deck 3, the top of the support bridge deck 3 is fixedly connected with a main bridge deck 4, the main bridge deck 4 is fixedly connected with the top of the left pier 1 and the top of the right pier 2, connecting beams 6 are respectively fixedly connected between the intermediate main support pier 5 and the left pier 1 and the right pier 2, springs 7 are sleeved on the outer sides of the connecting beams 6, shear bolts 8 are fixedly connected between the support bridge deck 3 and the main bridge deck 4, first support beams 11 are respectively arranged inside the left pier 1 and the right pier 2, and second support beams 9 are arranged inside the intermediate main support pier, and reinforcing beams 10 are fixedly connected between the support bridge deck 3 and the left pier 1 and between the support bridge deck and the right pier 2.

In the embodiment, the spring 7 is fixedly connected between the left pier 1 and the middle main support pier 5, and between the right pier 2 and the middle main support pier 5.

In this embodiment, the reinforcing beam 10 is fixedly connected to the first support beam 11.

In this embodiment, the two ends of the connecting beam 6 are respectively and fixedly connected with the first supporting beam 11 and the second supporting beam 9.

In this embodiment, the main bridge deck 4 is provided with a rubber anti-cracking layer 12 and anti-cracking steel wire fibers 13, and the anti-cracking steel wire fibers 13 are specifically water corrugated concrete anti-cracking steel wire fibers disclosed in publication No. CN204310965U, which can improve the impact resistance and fatigue resistance of concrete and the anti-permeability capability of concrete.

In the present embodiment, the rubber cracking prevention layer 12 is disposed above the cracking prevention steel wire fibers 13.

Example 2

When the main bridge deck 4 bears a large load, the load is transmitted to the left pier 1, the right pier 2 and the middle main support pier 5, effective support is achieved through the connecting cross beam 6, when the load is large, the springs 7 on the outer side of the connecting cross beam 6 can deform to achieve buffering, and the structure is stable.

The utility model discloses improve in: the utility model provides a crack control device for highway bridge, through the rubber anticracking layer 12 that sets up in the main bridge face 4, crack control steel wire fibre 13 and shear force bolt 8, can effectively play the support cushioning effect when the car traveles to main bridge face 4 production pressure, better crack control function has, left pier 1 through setting up, right pier 2, middle main tributary props pier 5 and can share the power that the bridge floor received, simultaneously with left pier 1 through connecting crossbeam 6, right pier 2, middle main tributary props pier 5 and connects, stability is further improved, overall structure is through first supporting beam 11, second supporting beam 9, connecting crossbeam 6 constitutes overall structure, can effectively improve life, main bridge face 4 has better shock resistance crack control ability, better support capacity has simultaneously, stable in structure, long service life.

The foregoing is an embodiment of the preferred embodiment of the present invention, showing and describing the basic principles and main features of the present invention and the advantages of the present invention, it should be understood by those skilled in the art that the present invention is not limited by the foregoing embodiments, and the foregoing embodiments and descriptions are only illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the present invention, which fall within the scope of the present invention as claimed, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. The utility model provides a crack control device for public road bridge roof beam, includes left pier (1), right pier (2), its characterized in that: the bridge structure is characterized in that a left pier (1) is arranged on the left side of a right pier (2), a middle main supporting pier (5) is arranged between the left pier (1) and the right pier (2), the top of the middle main supporting pier (5) is fixedly connected with a supporting bridge deck (3), the top of the supporting bridge deck (3) is fixedly connected with a main bridge deck (4), the main bridge deck (4) is fixedly connected with the tops of the left pier (1) and the right pier (2), connecting cross beams (6) are fixedly connected between the middle main supporting pier (5) and the left pier (1) and the right pier (2), springs (7) are sleeved on the outer sides of the connecting cross beams (6), shear bolts (8) are fixedly connected between the supporting bridge deck (3) and the main bridge deck (4), first supporting beams (11) are arranged inside the left pier (1) and the right pier (2), and second supporting beams (9) are arranged inside the middle main supporting pier (, and reinforcing beams (10) are fixedly connected among the supporting bridge deck (3), the left pier (1) and the right pier (2).

2. The anti-cracking device for the road bridge as claimed in claim 1, wherein: the spring (7) is fixedly connected between the left pier (1) and the middle main supporting pier (5), and between the right pier (2) and the middle main supporting pier (5).

3. The anti-cracking device for the road bridge as claimed in claim 1, wherein: the reinforcing beam (10) is fixedly connected with the first supporting beam (11).

4. The anti-cracking device for the road bridge as claimed in claim 1, wherein: and two ends of the connecting beam (6) are respectively and fixedly connected with a first supporting beam (11) and a second supporting beam (9).

5. The anti-cracking device for the road bridge as claimed in claim 1, wherein: the main bridge deck (4) is internally provided with a rubber anti-cracking layer (12) and anti-cracking steel wire fibers (13).

6. The anti-cracking device for the road bridge as claimed in claim 5, wherein: the rubber anti-cracking layer (12) is arranged above the anti-cracking steel wire fibers (13).