Fabricated reinforced concrete slab spliced bridge

Abstract

The utility model relates to the technical field of bridges, in particular to a fabricated reinforced concrete slab spliced bridge. The assembly type reinforced concrete slab splicing bridge comprises a bridge plate prefabricated part, the left side and the right side of the top of the bridge plate prefabricated part are each provided with a set of anti-collision belts, reinforcing ribs are embedded in the bridge plate prefabricated part and the anti-collision belts, and mounting grooves are evenly formed in the opposite sides of the two sets of anti-collision belts. An internal thread sleeve is embedded in the mounting groove, and a buffer assembly is placed in the mounting groove; the anti-collision belt can be supported through the supporting piers, the connecting strength between the bridge plate prefabricated part and the anti-collision belt can be improved through the reinforcing ribs, so that the impact resistance of the anti-collision belt is improved, and when a vehicle collides with the anti-collision belt, part of impact force can be absorbed through the buffering strips, so that the anti-collision belt is prevented from being damaged. And the buffer strips can increase the contact area between the anti-collision belt and a vehicle, so that the probability that the vehicle rushes down a bridge along the surface radian of the anti-collision belt is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of bridges, in particular to an assembled reinforced concrete slab splicing bridge. Background Technique

[0002] Bridges are one of the common basic construction facilities, which are built on rivers and roads. Bridges with assembled structures can reduce the on-site construction intensity, shorten the construction period, and reduce on-site noise, and are increasingly favored by people.

[0003] In the specific construction plan, it includes the prefabrication and assembly of bridge piers and the prefabrication and assembly of bridge decks. In the prior art, in order to prevent vehicles from sliding out of the bridge deck, anti-collision belts are generally set on both sides of the bridge deck. The current anti-collision belts are mostly prefabricated independently and connected to the bridge deck on both sides. In this way, when a collision occurs, it is very easy to be damaged or the vehicle directly breaks through the anti-collision belt and falls into the river under the bridge, causing serious traffic accidents. In view of the above situation, technical innovation is carried out on the basis of the existing assembled reinforced concrete slab splicing bridge. Content of the Utility Model

[0004] The purpose of the utility model is to provide an assembled reinforced concrete slab splicing bridge to solve the problems put forward in the above background technique.

[0005] To achieve the above purpose, the utility model provides the following technical scheme: an assembled reinforced concrete slab splicing bridge, including:

[0006] Bridge slab prefabricated parts, a group of anti-collision belts are arranged on the left and right sides of the top of the bridge slab prefabricated parts. Reinforcing bars are embedded in the bridge slab prefabricated parts and the anti-collision belts. A group of installation grooves are evenly opened on the opposite sides of the two groups of anti-collision belts. Internal thread sleeves are embedded in the installation grooves, and buffer components are placed in the installation grooves.

[0007] Preferably, the buffer component includes a buffer strip, a connecting plate is arranged on the outer side of the buffer strip, a group of counterbored holes are evenly penetrated on the side of the buffer strip away from the connecting plate, through holes are penetrated on the outer side of the connecting plate, and bolts are arranged in the counterbored holes and the through holes.

[0008] Preferably, the connecting plate is inserted into the installation groove, the buffer strip is located on the outer side of the anti-collision belt, and the bolt is screwed with the internal thread sleeve.

[0009] Preferably, a capping beam is arranged at the bottom of the bridge slab prefabricated part, a group of supporting piers are arranged on the left and right sides of the top of the capping beam, and a bridge pier is arranged at the bottom of the capping beam.

[0010] Preferably, the bridge slab prefabricated part is arranged between two groups of supporting piers, and the opposite sides of the two groups of anti-collision belts are respectively attached to the opposite sides of the two groups of supporting piers.

[0011] Preferably, the bridge slab precast member and the anti-collision belt are integrally formed by casting, and the capping beam and the supporting pier are integrally formed by casting.

[0012] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0013] In the present utility model, the anti-collision belt can be supported by the supporting pier, and the connection strength between the bridge slab precast member and the anti-collision belt can be improved through the reinforcing rib, thereby improving the impact resistance of the anti-collision belt. When a vehicle collides with the anti-collision belt, part of the impact force can be absorbed through the buffer strip, and the buffer strip can increase the contact area between the anti-collision belt and the vehicle, thereby reducing the probability of the vehicle rushing down the bridge along the surface curvature of the anti-collision belt;

[0014] The buffer assembly is fixed to the anti-collision belt by bolts. Therefore, when the buffer assembly is damaged due to collision, after unscrewing the bolts, the buffer assembly can be easily disassembled and replaced. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 is a schematic structural diagram of an assembled reinforced concrete slab splicing bridge of the present utility model;

[0016] Figure 2 is a front sectional view of an assembled reinforced concrete slab splicing bridge of the present utility model;

[0017] Figure 3 For the present utility model Figure 2 is an enlarged view of part A.

[0018] In the figure: 1, bridge pier; 11, capping beam; 12, supporting pier; 13, bridge slab precast member; 14, anti-collision belt; 15, reinforcing rib; 2, buffer strip; 21, connecting plate; 22, internal thread sleeve; 23, bolt. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0019] The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.

[0020] Please refer to Figures 1 - 3, a prefabricated reinforced concrete slab splicing bridge, including a bridge slab prefabricated member 13. On the left and right sides of the top of the bridge slab prefabricated member 13, a set of anti-collision belts 14 are fixedly arranged. Reinforcing bars 15 are embedded in the bridge slab prefabricated member 13 and the anti-collision belts 14. Through the reinforcing bars 15, the connection strength between the bridge slab prefabricated member 13 and the anti-collision belts 14 can be improved, so as to ensure that when a vehicle hits the anti-collision belt 14, the situation that the vehicle rushes off the bridge due to the fracture of the anti-collision belt 14 will not occur. Installation grooves are evenly opened on the opposite sides of the two groups of anti-collision belts 14. Internal thread sleeves 22 are embedded in the installation grooves. A buffer assembly is placed in the installation grooves. The buffer assembly includes a buffer strip 2. A connecting plate 21 is fixedly arranged on the outer side of the buffer strip 2. Counterbores are evenly penetrated on the side of the buffer strip 2 away from the connecting plate 21. Through holes are penetrated on the outer side of the connecting plate 21. Bolts 23 are rotatably arranged in the counterbores and the through holes. The connecting plate 21 is inserted into the installation groove. The buffer strip 2 is located on the outer side of the anti-collision belt 14. The bolts 23 are screwed with the internal thread sleeves 22. The connecting plate 21 is fixed in the installation groove of the anti-collision belt 14 through the bolts 23, so as to fix the buffer strip 2 on the outer side of the anti-collision belt 14. When a vehicle collides with the anti-collision belt 14, a part of the impact force can be absorbed through the buffer strip 2, and the buffer strip 2 can increase the contact area between the anti-collision belt 14 and the vehicle, thereby reducing the probability that the vehicle rushes off the bridge along the surface curvature of the anti-collision belt 14. The buffer assembly is fixed on the anti-collision belt 14 through the bolts 23. Therefore, when the buffer assembly is damaged due to collision, after unscrewing the bolts 23, the buffer assembly can be easily disassembled and replaced. A cap beam 11 is fixedly arranged at the bottom of the bridge slab prefabricated member 13. On the left and right sides of the top of the cap beam 11, a set of support piers 12 are fixedly arranged. A bridge pier 1 is fixedly arranged at the bottom of the cap beam 11. The bridge slab prefabricated member 13 is fixedly arranged between the two groups of support piers 12. The opposite sides of the two groups of anti-collision belts 14 are respectively attached to the opposite sides of the two groups of support piers 12. When the bridge slab prefabricated member 13 and the anti-collision belts 14 are spliced and fixed with the cap beam 11 and the support piers 12, the support piers 12 can support the anti-collision belts 14, so as to improve the impact resistance of the anti-collision belts 14. The bridge slab prefabricated member 13 and the anti-collision belts 14 are designed to be integrally cast. The cap beam 11 and the support piers 12 are designed to be integrally cast.

[0021] Working principle: After the bridge slab precast member 13 and the anti-collision belt 14 are spliced and fixed to the capping beam 11 and the support pier 12, the support pier 12 can support the anti-collision belt 14, thereby improving the impact resistance of the anti-collision belt 14. The connecting strength between the bridge slab precast member 13 and the anti-collision belt 14 can be improved through the reinforcing rib 15, so as to ensure that when the vehicle hits the anti-collision belt 14, the situation that the vehicle rushes off the bridge due to the fracture of the anti-collision belt 14 will not occur. The connecting plate 21 is fixed in the installation groove of the anti-collision belt 14 through the bolt 23, so as to fix the buffer strip 2 on the outside of the anti-collision belt 14. When the vehicle collides with the anti-collision belt 14, a part of the impact force can be absorbed through the buffer strip 2, and the buffer strip 2 can increase the contact area between the anti-collision belt 14 and the vehicle, thereby reducing the probability of the vehicle rushing off the bridge along the surface curvature of the anti-collision belt 14. The buffer assembly is fixed on the anti-collision belt 14 through the bolt 23. Therefore, when the buffer assembly is damaged due to collision, after the bolt 23 is unscrewed, the buffer assembly can be easily disassembled and replaced.

Claims

1. An assembled reinforced concrete slab bridge, characterized in that: include: A bridge deck prefabricated component (13), wherein a group of anti-collision belts (14) are arranged on both left and right sides of the top of the bridge deck prefabricated component (13), reinforcing ribs (15) are embedded inside the bridge deck prefabricated component (13) and the anti-collision belts (14), and installation grooves are evenly opened on the opposite sides of the two groups of anti-collision belts (14), and internal threaded sleeves (22) are embedded in the installation grooves, and a buffer component is placed in the installation grooves.

2. The assembled reinforced concrete slab bridge according to claim 1, characterized in that: The buffer assembly comprises a buffer strip (2), a connecting plate (21) is arranged on the outer side of the buffer strip (2), countersunk holes are evenly penetrated on the side of the buffer strip (2) away from the connecting plate (21), a through hole is penetrated on the outer side of the connecting plate (21), and bolts (23) are arranged in the countersunk holes and the through holes.

3. The assembled reinforced concrete slab bridge according to claim 2, characterized in that: The connecting plate (21) is inserted into the installation groove, the buffer strip (2) is located outside the anti-collision strip (14), and the bolt (23) is threadedly connected to the internal threaded sleeve (22).

4. The assembled reinforced concrete slab bridge according to claim 1, characterized in that: A cap beam (11) is provided at the bottom of the bridge deck prefabricated component (13), a group of supporting piers (12) are provided on both sides of the top of the cap beam (11), and a bridge pier (1) is provided at the bottom of the cap beam (11).

5. The assembled reinforced concrete slab bridge according to claim 4, characterized in that: The bridge deck prefabricated member (13) is arranged between two groups of supporting piers (12), and the opposite sides of the two groups of anti-collision strips (14) are respectively fitted with the opposite sides of the two groups of supporting piers (12).

6. The assembled reinforced concrete slab bridge according to claim 4, characterized in that: The bridge deck prefabricated part (13) and the anti-collision strip (14) are designed to be integrally molded by casting, and the cap beam (11) and the supporting pier (12) are designed to be integrally molded by casting.

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