CN-117449187-B - Rail bearing layer station bridge transitional connection system and structure system for railway station house

CN117449187BCN 117449187 BCN117449187 BCN 117449187BCN-117449187-B

Abstract

The invention discloses a rail bearing layer bridge transition connection system and a structure system for a railway station house, wherein a front bridge pier is arranged at the top of a foundation structure, a bridge girder body structure is supported at the top of the front bridge pier, a rotatable access plate end anti-seismic support is arranged at the top of the foundation structure, a bridge building integrated frame column is poured at one side of the front bridge pier and positioned at the top of the foundation structure, a rail bearing layer frame structure beam is erected at the top of the bridge building integrated frame column, a support pier is connected at the top of the rail bearing layer frame structure beam, an embedded steel plate is buried at the top of the support pier, an anti-seismic support is arranged on the embedded steel plate, a rotatable access plate structure is arranged on the anti-seismic support, and the other end of the rotatable access plate is placed on the anti-seismic support at the top of the bridge pier. The transition connection system and the structure system can effectively reduce the relative transverse deformation of the beam ends, avoid shearing damage to the rails and influence the safety operation of railways, locally reduce the frame structure of the rail bearing layer in the transition zone, reserve the overhaul and replacement space of the support at the lower part of the access board, and facilitate the subsequent maintenance work while meeting the operation requirement of trains.

Inventors

LIU CHUANPING
HUANG BANGXIN
GUO MING
ZHANG ZHIBIN
YING LIANGLIANG
WU YITAO
ZHANG HUIFENG
YANG SHANHUA

Assignees

同济大学建筑设计研究院(集团)有限公司

Dates

Publication Date: 20260505
Application Date: 20231130

Claims (7)

1. The rail bearing layer bridge transition connection system for the railway station room comprises a foundation structure (1), a bridge pier (2) in front of the station, a bridge construction integrated frame column (3), a rail bearing layer frame structure beam (4), a rail bearing layer frame structure plate (41), a bridge beam body structure (5), a support pier (6), an anti-seismic support (7), a support embedded steel plate (8), a rotatable access plate (9) and a bridge baffle (10), and is characterized in that the top of the foundation structure (1) is provided with the bridge pier (2) in front of the station and the bridge construction integrated frame column (3), the bridge beam body structure (5) and the rotatable access plate (9) are supported by the bridge pier (2) in front of the station, the bridge baffle (10) is poured on the bridge beam body at the end of the rotatable access plate (9), one side of the bridge pier (2) and is positioned at the top of the foundation structure (1), the bridge construction integrated frame column (3) is erected at the top of the support pier, the rail bearing layer frame structure beam (4) is arranged, the pre-embedded steel plate (8) is arranged at the top of the support pier (6), rotatable access plates (9) are arranged on the anti-seismic support (7).
2. The transition connection system for the rail bearing layer bridge of the railway station house is characterized in that a bridge body structure (5) is placed on a front bridge pier (2), an anti-seismic support (7) is arranged at the top of the front bridge pier (2), and the front bridge pier (2) is connected with a frame column (3) for bridge construction and a rail bearing layer frame structure beam (4) by a rotatable butt strap (9) in a seam disconnection mode.
3. A rail bearing layer bridge transitional coupling system for a rail station building according to claim 1, wherein the rail bearing layer frame structure beam (4) further comprises a rail bearing layer frame structure plate (41), and the rail bearing layer frame structure plate (41) is integrally cast with the rail bearing layer frame structure beam (4).
4. A rail bearing layer bridge transitional connection system for a railway station house according to claim 1, wherein the support piers (6) are internally provided with reinforcing bars, and the pier reinforcing bars are integrally cast with the rail bearing layer frame structure beams (4) and the rail bearing layer frame structure plates (41).
5. The transition connection system for the rail bearing layer station bridge of the railway station house, which is disclosed in claim 1, is characterized in that the surface of the support embedded steel plate (8) is provided with steel bar jacks, the steel bar jacks in the support embedded steel plate (8) are welded with steel bars on the support buttresses (6), and the welding joints of the support embedded steel plate (8) and the steel bars on the support buttresses (6) are subjected to plug welding and grinding.
6. A rail bearing layer bridge transition connection system for a railway station house according to claim 1, wherein the rotatable access board (9) is placed on an anti-seismic support (7), one end of the anti-seismic support (7) is positioned at the top of a bridge pier (2) in front of the station, the other end of the anti-seismic support is positioned on a rail bearing layer of a construction-bridge-building integrated frame column (3), and part of support piers (6) are arranged in the midspan of the rotatable access board (9) to reduce the span of the access board.
7. A rail bearing landing bridge transitional coupling structure system for a railway station building, which is characterized by comprising any one of claims 1-6 and adopting the following steps: firstly, determining a combined bearing platform foundation of a bearing rail layer bridge and a frame column and a foundation form of a 'bridge building integrated' frame column according to geological survey data, and implementing a foundation structure (1); Step two, determining the sizes of bridge piers (2) and bridge body structures (5) in front of the station and the elevation of the beam slab surface; determining the sections and the arrangement of the rail bearing layer frame structure beams (4), the rail bearing layer frame structure plates (41) and the bridge construction integrated frame columns (3), wherein the bridge construction integrated frame columns (3) are separated from bridge seam setting, and the seam width is required to meet the minimum width requirement of the specification; fourthly, determining the length and the thickness of the rotatable butt strap (9) according to calculation requirements; Fifthly, determining the range local descending plate and elevation of the rotatable lapping plate (9) according to the length, thickness and bearing track layer frame arrangement of the rotatable lapping plate (9); Step six, determining the sizes of the support piers (6) and the support embedded steel plates (8) according to calculation, embedding the support pier steel bars into the girder plates of the bearing rail layer, directly connecting with the bearing rail layer structure, and arranging the embedded parts of the support embedded steel plates (8) at the upper part of the support piers (6); Step seven, selecting a butt strap anti-seismic support (7) according to load requirements, burying the anti-seismic support (7) in the middle parts of the front support pier and the rear support pier (6), wherein the anti-seismic support (7) is not arranged at the top of the middle support pier; Pouring or installing a rotatable access board (9) above the support, wherein a support embedded steel plate (8) corresponding to the lower support is embedded at the bottom of the rotatable access board (9) so as to be conveniently connected with the lower support buttress (6) or the support embedded steel plate (8); And ninth, pouring a bridge baffle (10) on the bridge girder body at the end part of the rotatable butt strap (9).

Description

Rail bearing layer station bridge transitional connection system and structure system for railway station house Technical Field The invention relates to the technical field of civil engineering, in particular to a rail bearing layer station bridge transition connection system and a structure system for a railway station house. Background With the economic development, gao Tiejian in recent decades of China has a qualitative leap. By 2020, the operating mileage of the high-speed railways in China reaches 3.79 ten thousand kilometers, and the number of the high-speed railways exceeds 500. The construction development of the high-speed rail and the development of the city complement each other, as the pace of urban construction is continuously accelerated, urban land resources are more and more tensioned, in order to save and integrate the urban land resources, part of large and medium-sized station houses and yards adopt overhead forms, take full advantage of off-line space, and arrange railway equipment houses, parking lots, even waiting rooms and the like. In order to enable an off-line space to obtain a better heat-preservation, waterproof and comfortable use space, a middle overhead station supporting rail layer often adopts a frame structure with good integrity and combined with a bridge, and station supporting rail layers with low requirements on use space at the lower parts of two sides adopt a conventional bridge structure. According to the 7.3.3 th section of 'the high-speed railway design specification' TB10621-2014 ', the transverse relative displacement of the steel rail fulcrums on two sides of the adjacent beam ends of the ballastless track bridge is not more than 1 mm'. The ballastless track has higher requirements on the transverse deformation of the bridge end part. However, two different structural systems of a bridge structure and a frame structure are respectively adopted for the bearing rail layer, under the action of temperature, the vertical deformation of the vertical rail of the bridge structure is small, the vertical deformation of the vertical rail of the frame structure of the bridge construction is large, and the relative transverse deformation of the joint of the two structures is difficult to meet the specification requirement. And secondly, under the action of temperature, the steel rail at the joint is easy to shear and damage due to overlarge relative transverse deformation, and the safety operation of the train is greatly influenced. Therefore, the patent discloses a supporting rail layer station bridge transition connection system capable of coordinately and effectively reducing relative deformation of two different structure connection positions and a structure system thereof, and the technical problems can be effectively solved. Disclosure of Invention The invention aims to provide a rail bearing layer station bridge transition connection system and a structure system for a railway station house, which are used for solving the problems that the transition joint of the rail bearing layer station bridge of the prior large-sized high-speed railway station house is excessively deformed relatively, so that rail shearing damage is easily caused, and the safety operation of a railway is influenced. The rail bearing layer bridge transition connection system for the railway station building comprises a foundation structure, a bridge pier in front of the station, a frame column for building a bridge, a rail bearing layer frame structure beam, a rail bearing layer frame structure plate and a bridge girder body structure, wherein the support pier, an anti-seismic support, a support embedded steel plate, a rotatable access plate and a bridge baffle are arranged on the top of the foundation structure, the bridge girder body structure is fixed on the top of the bridge pier in front of the station, the bridge baffle is poured on the bridge girder body structure, one side of the bridge pier in front of the station is positioned on the top of the foundation structure, the frame column for building the bridge is provided with the frame column for building the bridge, the top of the frame column for building the rail bearing layer is connected with a support pier, an anti-seismic support is arranged on the pre-embedded steel plate, the rotatable access plate is arranged on the support, and the steel plate is arranged on the position, corresponding to the support below the anti-seismic support. Preferably, the rail bearing layer frame structure beam further comprises a rail bearing layer frame structure plate, and the rail bearing layer frame structure plate and the rail bearing layer frame structure beam are integrally cast. Preferably, the support pier is internally provided with reinforcing steel bars. Preferably, the surface of the support pre-buried steel plate is provided with a steel bar jack, the steel bar jack in the support pre-buried steel plate is welded with the steel bar on the