CN215211089U

CN215211089U - Roadbed structure of expressway adjacent to bridge abutment

Info

Publication number: CN215211089U
Application number: CN202120855916.0U
Authority: CN
Inventors: 穆剑荣; 段永鹏
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-04-25
Filing date: 2021-04-25
Publication date: 2021-12-17
Anticipated expiration: 2031-04-25

Abstract

The utility model discloses a roadbed structure of highway adjacent bridge pier, including the road bed, the road bed side matches and is equipped with the side slope, the side slope upside is equipped with the bridge pier, it is equipped with the slip casting base station to match between side slope and the bridge pier, wall between slip casting base station one side fixedly connected with stake, wall and slip casting base station side shape match between the stake, wall one side matches and is equipped with a plurality of anchor stake between the stake, a plurality of anchor stake evenly set up wall one side between the stake and imbed in the wall between the stake, the wall is located between anchor stake and the slip casting base station between the stake, side slope one side fixedly connected with side ditch, it is equipped with the buffering buffer layer to match between road bed and the side slope, slip casting base station upside matches and is equipped with the dog, the dog matches with bridge pier position. The utility model discloses can effectively stabilize the bridge pier, can reduce the rainwater and corrode the impact of bridge pier, can reduce the influence of road bed vibrations to the bridge pier simultaneously.

Description

Roadbed structure of expressway adjacent to bridge abutment

Technical Field

The utility model relates to a geotechnical engineering technical field especially relates to a roadbed structure of highway adjacent bridge pier.

Background

Along with the development of traffic infrastructure, the situation that the expressway is staggered in the construction process is inevitable, a bridge pier is needed to be used for erecting the expressway at the moment, and the situation that the expressway at the lower side of the bridge is close to the bridge pier is inevitable at the moment;

the common roadbed is used for bearing static load and dynamic load of road surface and traffic load, and transmits and diffuses the load to the deep part of the foundation, when the expressway is close to the bridge pier, the bottom of the bridge pier is mainly reinforced in the prior art, as the bridge pier is positioned on the slope surface of the roadbed of the expressway, long-time rainwater impact can cause slope water and soil loss, damage surrounding environment and finally damage the bridge pier foundation, so that the structure of the bridge pier is unstable, meanwhile, when the roadbed is normally used, some large trucks are often overweight, press the roadbed and generate vibration, the influence of extrusion and vibration on the bridge pier positioned on a side slope is caused, and the bridge pier foundation is damaged;

to this end, we propose a roadbed structure of a highway adjacent to a bridge abutment to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a roadbed structure of a highway adjacent to a bridge pier.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a roadbed structure of highway adjacent bridge pier, includes the road bed, the roadbed side matches and is equipped with the side slope, the side slope upside is equipped with the bridge pier, it is equipped with the slip casting base station to match between side slope and the bridge pier, wall between slip casting base station one side fixedly connected with stake, wall and slip casting base station side shape match between the stake, wall one side matches and is equipped with a plurality of anchor stake between the stake, and is a plurality of the anchor stake evenly sets up wall one side and imbeds between the stake in the wall between stake, wall is located between anchor stake and the slip casting base station between the stake, side slope one side fixedly connected with side ditch, it is equipped with the buffering buffer layer to match between road bed and the side slope, slip casting base station upside matches and is equipped with the dog, the dog matches with bridge pier position.

Preferably, the slip casting base station encircles and sets up in bridge pier week side, the slip casting base station hypomere is located the slope, the slip casting base station up end is the V style of calligraphy.

Preferably, two drain holes are formed in the inter-pile wall, a drainage channel corresponding to the two drain holes is arranged on the upper side of the grouting base station in a matched mode, and one end of the drainage channel is matched with the position of the side slope.

Preferably, the upper end parts of the anchoring piles are higher than the elevation of the side ditch, and the lower end parts of the anchoring piles are lower than the elevation of the lower section of the inter-pile wall.

Preferably, the stop dog passes through bolt and slip casting base station fixed connection, there is the space between stop dog and the bridge pier.

Preferably, the upper end part of the buffering shock-absorbing layer is higher than the elevation of the upper end of the grouting base station, and the upper end part of the buffering shock-absorbing layer is lower than the elevation of the lower section of the grouting base station.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a set up the slip casting base station all around at the bridge pier, and set up wall between the stake in slip casting base station one side, wall one side sets up a plurality of anchor stake between the stake, thereby on the reinforced (rfd) basis in bridge pier self bottom, further realize consolidating the effect of stabilizing and preventing erosion, through setting up the side ditch bottom the side slope, and set up the drainage channel on the slip casting base station and set up the wash port on the wall between the stake, thereby realize the drainage rainwater, reduce the effect of the impact erosion of rainwater, play the effect of protection bridge pier.

2. The utility model discloses a set up the dog that matches with the bridge pier on the slip casting base station, realize monitoring the bridge pier and whether shift appearing, play the effect of the staff's monitoring of being convenient for, through set up the buffering buffer layer between road bed and side slope to the realization effectively reduces isolated effect with the vibrations of road bed transmission, plays the effect of protection bridge pier.

Drawings

Fig. 1 is a schematic structural view of a roadbed structure of a highway adjacent to a bridge pier, which is provided by the utility model;

fig. 2 is a schematic cross-sectional structure view of a roadbed structure of the expressway adjacent to a bridge abutment;

fig. 3 is the utility model provides a structural schematic of dog among highway adjacent bridge pier's the roadbed structure.

In the figure: 1 roadbed, 2 side slopes, 3 bridge abutments, 4 grouting bases, 5 inter-pile walls, 6 anchoring piles, 7 side ditches, 8 buffer damping layers, 9 stop blocks, 10 drain holes and 11 drainage channels.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-3, a roadbed structure of a highway adjacent to a bridge abutment comprises a roadbed 1, wherein the roadbed 1 is used as a foundation of the highway and provides stable support for a road surface, a side slope 2 formed by masonry stones is arranged on the side surface of the roadbed 1, the masonry stones are three-level stones, the ultimate compressive strength and the abrasion resistance are good, the structure is very stable, the upper side position of the side slope 2 is in contact with the bridge abutment 3, and the bridge abutment 3 is provided with a reinforced support foundation.

A grouting base station 4 is arranged between the side slope 2 and the bridge pier 3 and is formed by concrete pouring reinforcing steel bars, one side of the grouting base station 4 is provided with a pile wall 5, the pile wall 5 is one of deep foundation pit supports, the safety of the side slope 2 is protected by self-weight and rigidity, the side surfaces of the pile wall 5 and the grouting base station 4 are rectangular and attached, the pile wall 5 provides a supporting force for the grouting base station 4, one side of the pile wall 5 is provided with a plurality of anchoring piles 6, the anchoring piles 6 are uniformly arranged at one side of the pile wall 5 and embedded into the pile wall 5, the pile wall 5 is positioned between the anchoring piles 6 and the grouting base station 4, a certain distance is reserved between the anchoring piles 6 and the anchoring piles 6, the anchoring piles are deeply buried in the stratum and are used for bearing the thrust of the side slope 2, one side of the side slope 2 is fixedly connected with a side ditch 7, the side ditch 7 plays a role of accumulated water drainage, a buffer layer 8 is arranged between the roadbed 1 and the side slope 2, a stop block 9 is matched at the upper side of the grouting base station 4, the position of the stop dog 9 is matched with that of the bridge abutment 3, and the stop dog 9 is made of steel;

the grouting base 4 is arranged around the bridge abutment 3 through reinforcing steel bars and reinforced by pouring concrete, the lower section of the grouting base 4 is deeply buried in the side slope 2, the stability of the bridge abutment 3 is high, the upper end surface of the grouting base 4 is V-shaped, and rainwater flows through the V-shaped side surface of the upper end surface, so that the flushing surface is reduced, and a small rainwater erosion effect is achieved;

two drain holes 10 are formed in the inter-pile wall 5, the drain holes 10 are pre-formed, a drainage channel 11 corresponding to the two drain holes 10 is arranged on the upper side of the grouting base station 4, the drainage channel 11 is used for guiding rainwater to enter the drain holes 10, one end of the drainage channel 11 is matched with the position of the side slope 2, and water flows downwards from the side slope 2 under the action of gravity to enter the drainage channel 11 and then flows into the side ditch 7 from the drain holes 10;

the upper end parts of the anchoring piles 6 are higher than the elevation of the side ditch 7, the anchoring piles 6 play a role in stable support, and the lower end parts of the anchoring piles 6 are lower than the elevation of the lower section of the inter-pile wall 5, so that the inter-pile wall 5 is supported and stabilized, and the inter-pile wall 5 is convenient to arrange;

the check block 9 is fixedly embedded into the grouting base 4 through a bolt, and when the check block 9 is arranged, a gap between the check block 9 and the bridge abutment 3 is reserved, so that comparison and monitoring can be conveniently carried out when a worker inspects the bridge abutment 3, and whether the bridge abutment 3 displaces or not can be known;

wherein, the density of buffering buffer layer 8 and side slope 2 is inequality, can disperse the vibrations of road bed 1 to side slope 2 to the reduction is higher than slip casting base station 4 to bridge pier 3's influence, and 8 upper ends of buffering buffer layer are located the underground part and is darker than slip casting base station 4, is convenient for with the separation of shaking.

The utility model discloses in, the device's use step is as follows:

1. when the roadbed 1 is used, when the vehicles on the roadbed generate vibration during running, the vibration can be effectively isolated when passing through the buffered damping layer 8 and is dispersed and transmitted out through the side slope 2, so that the influence on the bridge abutment 3 is reduced;

2. in rainy days, rainwater flows downwards under the action of the inclined surface of the side slope 2, the V-shaped side surface at the upper end of the grouting base station 4 reduces the rainwater scouring surface and reduces the erosion effect of the rainwater, and then the rainwater enters the drainage channel 11, flows into the side ditch 7 from the drainage hole 10 and is effectively drained out;

3. when the staff patrols and examines, through the space between contrast dog 9 and the bridge pier 3, and then detect bridge pier 3 and whether shift appears, and then judge whether there is the potential safety hazard.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The roadbed structure of the expressway adjacent to a bridge pier comprises a roadbed (1) and is characterized in that the side face of the roadbed (1) is provided with a side slope (2) in a matching manner, the upper side of the side slope (2) is provided with the bridge pier (3), a grouting base station (4) is arranged between the side slope (2) and the bridge pier (3) in a matching manner, one side of the grouting base station (4) is fixedly connected with an inter-pile wall (5), the inter-pile wall (5) is matched with the side face shape of the grouting base station (4), one side of the inter-pile wall (5) is provided with a plurality of anchoring piles (6) in a matching manner, the plurality of anchoring piles (6) are uniformly arranged on one side of the inter-pile wall (5) and embedded into the inter-pile wall (5), the inter-pile wall (5) is positioned between the anchoring piles (6) and the grouting base station (4), one side of the slope (2) is fixedly connected with a side ditch (7), and a buffer layer (8) is arranged between the roadbed (1) and the side slope (2) in a matching manner, the upper side of the grouting base station (4) is provided with a stop block (9) in a matching mode, and the stop block (9) is matched with the bridge abutment (3) in position.

2. The roadbed structure of a highway adjacent to a bridge pier is characterized in that the grouting base platform (4) is arranged around the bridge pier (3), the lower section of the grouting base platform (4) is positioned in a side slope (2), and the upper end surface of the grouting base platform (4) is V-shaped.

3. The roadbed structure of a highway adjacent to a bridge pier is characterized in that two drain holes (10) are formed in the inter-pile wall (5), a drainage channel (11) corresponding to the two drain holes (10) is arranged on the upper side of the grouting base (4) in a matching mode, and one end of the drainage channel (11) is matched with the side slope (2).

4. The roadbed structure of a highway adjacent to a bridge pier is characterized in that the upper end parts of a plurality of anchoring piles (6) are higher than the elevation of a side ditch (7), and the lower end parts of a plurality of anchoring piles (6) are lower than the elevation of the lower section of an inter-pile wall (5).

5. The roadbed structure of a highway adjacent to a bridge abutment according to claim 1, wherein the stop block (9) is fixedly connected with the grouting abutment (4) through a bolt, and a gap exists between the stop block (9) and the bridge abutment (3).

6. The roadbed structure of a highway adjacent to a bridge pier is characterized in that the upper end part of the buffering shock-absorbing layer (8) is higher than the upper elevation of the grouting base (4), and the upper end part of the buffering shock-absorbing layer (8) is lower than the lower elevation of the grouting base (4).