CN216379120U

CN216379120U - Reinforced concrete abutment

Info

Publication number: CN216379120U
Application number: CN202123000976.3U
Authority: CN
Inventors: 高猛; 王培金; 张振铄; 孙绪锋; 李东潇; 李兴正; 张锦涛; 才振山; 李增金; 曾志强
Original assignee: Shandong Provincial Communications Planning and Design Institute Group Co Ltd
Current assignee: Shandong Provincial Communications Planning and Design Institute Group Co Ltd
Priority date: 2021-12-01
Filing date: 2021-12-01
Publication date: 2022-04-26
Anticipated expiration: 2031-12-01

Abstract

The utility model relates to the technical field of building bridges, in particular to a reinforced concrete abutment. The utility model discloses a reinforced concrete abutment, which comprises a pile foundation, wherein a bearing platform is arranged at the top of the pile foundation; a first platform body is arranged on the top surface of the bearing platform along the bridge direction and close to one side of the girder bridge, and a second platform body is arranged on one side close to the deck arch bridge; side walls are arranged at two ends of the top surface of the bearing platform in the transverse bridge direction and are respectively connected with the first platform body and the second platform body; bubble mixed light soil is filled among the first platform body, the second platform body and the side walls at the two ends; and a butt strap is arranged above the bubble mixed light soil. Through setting up two platform bodies in front and back, can transmit the upper portion load of girder bridge, can balance the thrust of main arch ring again, realized being connected between girder bridge and the formula arched bridge of holding on. The novel reinforced concrete abutment designed by the utility model has the advantages of simple structure, simple and convenient construction and low construction cost.

Description

Reinforced concrete abutment

Technical Field

The utility model relates to the technical field of building bridges, in particular to a reinforced concrete abutment.

Background

With the rapid increase of the automobile holding capacity of cities in recent years, many cities have urgent needs for constructing viaducts to form multi-layer three-dimensional road layout and improving road traffic capacity. The urban bridge construction focuses on landscape functions, the bridge serves as a core of landscape design, the mechanical principle of structural stress is followed in the design process, and the building aesthetic rule is reflected, so that the process organically combines mechanics and aesthetics. The deck arch bridge is more attractive than a common linear bridge in a curve shape with the advantages of simplicity, elegance, mellowness, dynamic force and spanning feeling, and is more easily integrated into the environment and more easily satisfies the aesthetic habits of the public particularly in natural scenes such as river spanning.

However, the existing upper structure of the urban viaduct mainly comprises a beam bridge, the overall shape is uniform, an arrangement mode which can transfer the upper load of the beam bridge and balance the thrust of the main arch ring is lacked, and the connection between the beam bridge and the deck arch bridge cannot be realized.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the prior technical scheme, the utility model aims to provide a reinforced concrete abutment which can not only transfer the upper load of a girder bridge, but also balance the thrust of a main arch ring and realize the connection of the girder bridge and a deck arch bridge.

To achieve the above object, one or more embodiments of the present invention provide the following solutions:

the utility model discloses a reinforced concrete abutment, which comprises a pile foundation, wherein a bearing platform is arranged at the top of the pile foundation; a first platform body is arranged on the top surface of the bearing platform along the bridge direction and close to one side of the girder bridge, and a second platform body is arranged on one side close to the deck arch bridge; side walls are arranged at two ends of the top surface of the bearing platform in the transverse bridge direction and are respectively connected with the first platform body and the second platform body; bubble mixed light soil is filled among the first platform body, the second platform body and the side walls at the two ends; and a butt strap is arranged above the bubble mixed light soil.

As a further technical scheme, the platform body, the side walls, the bearing platform, the pile foundation and the butt strap are all made of reinforced concrete materials.

As a further technical scheme, a main beam is arranged above the first platform body and is connected with the platform body through a support.

As a further technical scheme, the end faces of the two sides of the first platform body along the bridge direction are perpendicular to the top face of the bearing platform.

As a further technical scheme, two shockproof stop blocks are arranged on the top surface of the first platform body and are respectively positioned on two sides of the transverse bridge of the main beam.

As a further technical scheme, the second platform body is provided with an upper arch support and a lower arch support, the lower arch support is connected with a main arch ring of the deck arch bridge, and the upper arch support is connected with an abdominal arch ring of the deck arch bridge.

As a further technical scheme, a back slope is arranged on the end face, close to the bubble mixed light soil, of the second platform body.

As a further technical scheme, the top surface of the side wall is flush with the top surfaces of the first platform body and the second platform body, and a back slope is arranged on the side wall close to the end face of the bubble mixed light soil.

As a further technical scheme, a butt strap is arranged above the bubble mixed light soil; the two ends of the access board are respectively accessed to the top notches of the first platform body and the second platform body.

The beneficial effects of one or more technical schemes are as follows:

1. the novel abutment designed by the utility model can transfer the upper load of the girder bridge and balance the thrust of the main arch ring by arranging the front abutment body and the rear abutment body, thereby realizing the connection between the girder bridge and the deck arch bridge.

2. The utility model has simple structure, simple and convenient construction and low construction cost.

Drawings

The utility model is further illustrated with reference to the following figures and examples.

FIG. 1 is a front elevational view of the overall structure of the present invention;

FIG. 2 is a rear elevational view of the overall construction of the present invention;

FIG. 3 is a top view of the overall structure of the present invention;

FIG. 4 is a left side view of the overall construction of the present invention;

FIG. 5 is a central sectional view of the overall structure of the present invention;

FIG. 6 is a front view of the first platform;

FIG. 7 is a top view of the first platform;

FIG. 8 is a central cross-sectional view of the first body;

FIG. 9 is a front view of the second platform;

FIG. 10 is a top view of the second platform;

FIG. 11 is a central cross-sectional view of the second body;

in the figure, 1, a pile foundation, 2, a bearing platform, 3, a first platform body, 4, a second platform body, 5, a side wall, 6, bubble mixed light soil, 7, an attachment strap, 8, a main beam, 9, a support, 10, a shockproof stop block, 11, a main arch ring, 12, a belly arch ring, 13, a lower arch support, 14, an upper arch support, 15, a first notch, 16 and a second notch.

Detailed Description

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

The direction consistent with the span direction of the main arch ring 11 is the forward bridge direction, and the direction vertical to the span direction of the main arch ring 11 is the transverse bridge direction.

Referring to fig. 1-11, the utility model discloses a reinforced concrete bridge abutment, wherein a bridge abutment foundation adopts a pile foundation 1, and a bearing platform 2 is arranged at the top of the pile foundation 1; a first platform body 3 is arranged on one side of the top surface of the bearing platform 2 close to the girder bridge along the bridge direction, and a second platform body 4 is arranged on one side close to the deck arch bridge; through setting up two platform bodies in front and back, can transmit the upper portion load of girder bridge, can balance the thrust of main arch ring again, realized being connected between girder bridge and the formula arched bridge of holding on.

Two ends of the top surface of the bearing platform 2 in the transverse bridge direction are provided with side walls 5 which are connected with the first platform body 3 and the second platform body 4. And bubble mixed light soil 6 is filled among the first platform body 3, the second platform body 4 and the side walls 5 at the two ends.

The end surfaces of the two sides of the first platform body 3 along the bridge direction are vertical to the top surface of the bearing platform 2. One side that first hull 3 top is close to girder 8 is equipped with support 9, is connected with girder 8 through support 9. Two shockproof stop blocks 10 are arranged at one side of the top of the first platform body 3 close to the main beam 8 and are respectively positioned at two sides of the main beam 8 in the transverse bridge direction. The top of the first platform body 3 is close to one side of the bubble mixed light soil 6 and is provided with a first notch 15.

The second body 4 is provided with an upper arch support and a lower arch support, the lower arch support 13 is connected with a main arch ring 11 of the deck arch bridge, and the upper arch support 14 is connected with an abdominal arch ring 12 of the deck arch bridge. The end surface of the second platform body 4 close to the bubble mixed light soil 6 is provided with a back slope. The top of the second platform body 4 is provided with a second notch 16 close to one side of the bubble mixed light soil 6.

The top surface of the side wall 5 is flush with the top surfaces of the first platform body 3 and the second platform body 4, and a back slope is arranged on the end surface, close to the bubble mixed light soil 6, of the side wall 5.

A butt strap 7 is arranged above the bubble mixed light soil 6; the two ends of the butt strap 7 are respectively lapped on the first notch 15 and the second notch 16, and the notches and the butt strap 7 are connected through anchor bolts.

The pile foundation 1, the bearing platform 2, the first platform body 3, the second platform body 4, the side wall 5 and the butt strap 7 are all made of reinforced concrete.

In light of the foregoing description of the preferred embodiment of the present invention, it is to be understood that numerous changes and modifications may be made by those skilled in the art without departing from the spirit and scope of the utility model. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.

Claims

1. A reinforced concrete abutment is characterized by comprising a pile foundation, wherein a bearing platform is arranged at the top of the pile foundation; a first platform body is arranged on the top surface of the bearing platform along the bridge direction and close to one side of the girder bridge, and a second platform body is arranged on one side close to the deck arch bridge; side walls are arranged at two ends of the top surface of the bearing platform in the transverse bridge direction and are respectively connected with the first platform body and the second platform body; bubble mixed light soil is filled among the first platform body, the second platform body and the side walls at the two ends; and a butt strap is arranged above the bubble mixed light soil.

2. A reinforced concrete abutment as claimed in claim 1, wherein a main beam is provided above the first abutment body, the main beam being connected to the abutment body by a support.

3. A reinforced concrete abutment as claimed in claim 1, wherein the first abutment body has end faces on both sides in the bridge direction perpendicular to the top face of the bearing platform.

4. A reinforced concrete abutment as claimed in claim 1, wherein the first abutment body has two anti-vibration stoppers provided on the top surface thereof, respectively on both sides of the transverse bridge of the main beam.

5. A reinforced concrete abutment as claimed in claim 1, wherein the second abutment body is provided with an upper abutment and a lower abutment, the lower abutment being coupled to the main abutment of the deck arch bridge and the upper abutment being coupled to the abutment of the deck arch bridge.

6. A reinforced concrete abutment as claimed in claim 1, wherein the second abutment body is provided with a back slope adjacent to the end face of the air bubble mixed light soil.

7. A reinforced concrete abutment as claimed in claim 1, wherein the top surface of the side wall is flush with the top surfaces of the first and second bodies, and the side wall is provided with a back slope near the end surface of the bubble mixed light soil.

8. A reinforced concrete abutment as claimed in claim 1, wherein a butt strap is provided above the bubble mixed light soil; the two ends of the access board are respectively accessed to the top notches of the first platform body and the second platform body.

9. A reinforced concrete abutment as claimed in claim 1, wherein the abutment body, the side walls, the bearing platform, the pile foundation and the butt strap are made of reinforced concrete.