CN211522909U

CN211522909U - Bridge construction is with supporting pier

Info

Publication number: CN211522909U
Application number: CN201921999011.XU
Authority: CN
Inventors: 黄跃江
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-11-19
Filing date: 2019-11-19
Publication date: 2020-09-18
Anticipated expiration: 2029-11-19

Abstract

The utility model discloses a bridge construction is with supporting pier, including pier cap, pier shaft and base, the base is located in the riverbed, the pier shaft is located on the base, pier shaft top is located to the pier cap, pier shaft bottom is equipped with pier scour protection layer, the base top is located to pier scour protection layer, and pier scour protection layer is located below the surface of water and is close to the surface of water setting, the pier shaft outside is equipped with striking protector, striking protector locates pier scour protection layer top, and striking protector bottom is located the surface of water below and is close to the surface of water setting, the pier shaft includes reinforced concrete layer and crack control iron silk stratum reticulare, the reinforced concrete layer periphery is located to the crack control iron silk stratum reticulare, the crack control iron silk stratum reticulare is the concrete layer that contains the crack control iron silk, the crack control iron silk can be established if dry layer, pier cap top is equipped with the support. The utility model belongs to the technical field of the pier, specifically indicate a bridge construction of anti-cracking, reinforcing striking and washing protection is with supporting pier.

Description

Bridge construction is with supporting pier

Technical Field

The utility model belongs to the technical field of the pier, specifically indicate a bridge construction is with supporting pier.

Background

The pier includes pier shaft and platform body, pier shaft and platform body are the major structure that supports the bridge, not only bear the whole loads that the bridge structure transmitted, but also directly bear earth pressure, the water impact force, ice pressure, multiple loads such as boats and ships impact, so pier shaft and platform body all have sufficient intensity, rigidity and stability, current pier adopts reinforced concrete to pour more, long-time use can lead to the fracture because flowing water corrodes and concrete self performance, the striking also can cause pier shaft fracture and influence bridge life simultaneously.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem, the utility model provides a alleviate striking impact force, from supporting pier for bridge construction of preventing ftractureing.

In order to realize the above functions, the utility model discloses the technical scheme who takes as follows: the utility model provides a bridge construction is with supporting pier, includes pier cap, pier shaft and base, the base is located in the riverbed, on the base was located to the pier shaft, pier shaft top was located to the pier cap, pier shaft bottom is equipped with pier scour protection layer, base top is located to pier scour protection layer, and pier scour protection layer is located below the surface of water and is close to the surface of water setting, the pier shaft outside is equipped with striking protector, striking protector locates pier scour protection layer top, and striking protector bottom is located the surface of water below and is close to the surface of water setting, the pier shaft includes reinforced concrete layer and crack control wire netting layer, crack control wire netting layer is located reinforced concrete layer periphery, crack control wire netting layer is the concrete layer that contains the crack control wire netting, the wire crack control net can be equipped with if dry layer, the pier cap top is equipped with the support for place bridge beam.

Furthermore, striking protector includes fixed plate, damping spring and arc board that shocks resistance, the fixed plate is located on the pier shaft outer wall, the arc board that shocks resistance is located the fixed plate outside, damping spring waits the angle to locate the arc board and the fixed plate that shocks resistance between, damping spring's one end is located on the fixed plate, damping spring's the other end is located the arc and is shocked resistance on the board, plays absorbing effect to the impact.

Further, damping spring sets up quantity and is not less than two lines, and the damping spring's that sets up from bottom to top coefficient of stiffness reduces in proper order on the vertical cross-section for receive in the striking, the arc is resisted the offset inconsistent from top to bottom of board, can be with the impact force along the arc and resist impact the decomposition of board, reduce the direct impact force to the pier shaft, thereby reduce the injury to the pier shaft.

Furthermore, protective coating is arranged outside the pier body, so that water is prevented from permeating into the pier body and corroding the steel bars, and the arc-shaped impact-resistant plate is provided with a rubber buffer layer.

Further, pier scour prevention layer is the reinforced concrete structure of round platform type, be equipped with the protection steel sheet outside the pier scour prevention layer, alleviate the washing away of flowing water to pier scour prevention layer, be equipped with the zinc plate on the protection steel sheet, slow down the corrosion rate of protection steel sheet.

The utility model adopts the above structure gain beneficial effect as follows: the utility model provides a bridge construction is with supporting pier, through add crack control iron silk stratum reticulare outside reinforced concrete layer, strengthen the concrete connection, make pier shaft fastening more, can effectively prevent the fracture, have the striking protector of arc shock-resistant plate through the setting, can decompose the impulsive force, reduce the local atress of pier shaft striking point, alleviate the harm of striking to pier shaft, and simultaneously, adopt the protection steel sheet to protect pier scour protection layer, adopt the electrochemistry principle to carry out anticorrosive treatment to the protection steel sheet, can effectively strengthen the ability that pier waterflow erodees.

Drawings

FIG. 1 is a schematic view of the overall structure of a support pier for bridge construction according to the present invention;

fig. 2 is the utility model relates to a bridge construction is with supporting pier shaft inner structure schematic diagram.

The anti-collision device comprises a pier cap 1, a pier body 2, a pier body 3, a base 4, a pier anti-collision layer 5, a collision protection device 6, a reinforced concrete layer 7, an anti-cracking iron wire mesh layer 8, a support 9, a fixing plate 10, a damping spring 11, an arc-shaped anti-collision plate 12, a protection coating 13, a rubber buffer layer 14, a protection steel plate 15, a zinc block 16 and an anti-cracking iron wire mesh.

Detailed Description

The technical solution of the present invention will be described in further detail with reference to the following embodiments, and the technical features or the connection relations of the present invention, which are not described in detail, are the prior art adopted.

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1-2, a supporting pier for bridge construction, comprises a pier cap 1, a pier body 2 and a base 3, wherein the base 3 is arranged in a riverbed, the pier body 2 is arranged on the base 3, the pier cap 1 is arranged at the top of the pier body 2, the bottom of the pier body 2 is provided with a pier erosion preventing layer 4, the pier erosion preventing layer 4 is arranged above the base 3, the pier erosion preventing layer 4 is arranged below the water surface and close to the water surface, an impact protection device 5 is arranged outside the pier body 2, the impact protection device 5 is arranged above the pier erosion preventing layer 4, the bottom of the impact protection device 5 is arranged below the water surface and close to the water surface, the pier body 2 comprises a reinforced concrete layer 6 and an anti-cracking iron wire mesh layer 7, the anti cracking iron wire mesh layer 7 is arranged at the periphery of the reinforced concrete layer 6, the anti cracking iron wire mesh layer 7 is a concrete layer containing an anti cracking iron wire mesh 16, the anti-cracking iron wire mesh 16 can be provided with a plurality of layers, and the top of the pier cap 1 is provided with a support 8.

Striking protector 5 includes fixed plate 9, damping spring 10 and arc 11 of shocking resistance, fixed plate 9 is located on 2 outer walls of pier shaft, the arc 11 of shocking resistance is located in the fixed plate 9 outside, damping spring 10 waits the angle to locate the arc 11 of shocking resistance and fixed plate 9 between, damping spring 10's one end is located on fixed plate 9, damping spring 10's the other end is located the arc 11 of shocking resistance on.

Damping spring 10 sets up quantity and is not less than two lines, and the stiffness coefficient of damping spring 10 that sets up from bottom to top on the vertical section reduces in proper order.

The pier shaft 2 is externally provided with a protective coating 12, and the arc-shaped impact-resistant plate 11 is provided with a rubber buffer layer 13.

The pier scour prevention layer 4 is a round platform-shaped reinforced concrete structure, a protective steel plate 14 is arranged outside the pier scour prevention layer 4, and a zinc block 15 is arranged on the protective steel plate 14.

The present invention and the embodiments thereof have been described above, but the description is not limited thereto, and the embodiment shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. In summary, those skilled in the art should understand that they should not be limited to the embodiments described above, and that they can design the similar structure and embodiments without departing from the spirit of the invention.

Claims

1. The utility model provides a bridge construction is with supporting pier which characterized in that: including pier cap, pier shaft and base, the base is located in the riverbed, on the base was located to the pier shaft, pier shaft top was located to the pier cap, pier shaft bottom is equipped with pier scour prevention layer, base top is located to pier scour prevention layer, and below the surface of water and be close to the surface of water setting are located to pier scour prevention layer, the pier shaft outside is equipped with striking protector, striking protector locates pier scour prevention layer top, and striking protector bottom is located the surface of water below and is close to the surface of water setting, the pier shaft includes reinforced concrete layer and crack control iron wire stratum reticulare, the crack control iron wire stratum reticulare is located reinforced concrete layer periphery, the concrete layer of crack control iron wire reticulare for containing the crack control iron wire netting, the crack control iron wire netting can be established if dry layer, the pier cap top is equipped with the support.

2. The support pier for bridge construction according to claim 1, wherein: the impact protection device comprises a fixed plate, a damping spring and an arc-shaped impact-resistant plate, wherein the fixed plate is arranged on the outer wall of the pier body, the arc-shaped impact-resistant plate is arranged on the outer side of the fixed plate, the damping spring and other angles are arranged between the arc-shaped impact-resistant plate and the fixed plate, one end of the damping spring is arranged on the fixed plate, and the other end of the damping spring is arranged on the arc-shaped impact-resistant plate.

3. The support pier for bridge construction according to claim 2, wherein: damping spring sets up quantity and is greater than two lines, and the damping spring's that sets up from bottom to top on the vertical section stiffness coefficient reduces in proper order.

4. The support pier for bridge construction according to claim 2, wherein: the pier body is equipped with protective coating outward, be equipped with the rubber buffer layer on the arc board of shocking resistance.

5. The support pier for bridge construction according to claim 1, wherein: the pier scour prevention layer is a round platform-shaped reinforced concrete structure, a protective steel plate is arranged outside the pier scour prevention layer, and a zinc block is arranged on the protective steel plate.