A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Steel truss girder of highway-railway combined cable-stayed bridge
The embodiment of the invention provides a steel truss girder of a highway-railway combined cable-stayed bridge. The steel truss girder comprises a lower-layer bridge deck structure, two main trusses, an upper-layer bridge deck structure, two auxiliary trusses and a stay cable anchoring structure. The upper-layer bridge deck structure comprises an upper-layer bridge deck slab and a plurality of first cross beams; each first cross beam comprises a first variable cross-section beam and two second variable cross-section beams; the two opposite ends, in the length direction, of the first variable-section beam are each provided with a first variable-section section connected with the corresponding main truss, and the section height of each first variable-section section is gradually decreased from the end connected with the corresponding main truss to the end away from the corresponding main truss. A second variable cross-section beam is arranged on the side, away from the first variable cross-section beam, of each main truss, and each second variable cross-section beam is provided with a second variable cross-section section connected with the corresponding main truss. And the section height of the second variable cross-section section of each second variable cross-section beam is gradually reduced from one end connected with the corresponding main truss to one end far away from the corresponding main truss.
本申请实施例提供了一种公铁合建斜拉桥钢桁梁，包括：下层桥面结构、两片主桁架、上层桥面结构、两片副桁架和斜拉索锚固结构；上层桥面结构包括上层桥面板和多根第一横梁；每根第一横梁包括第一变截面梁和两根第二变截面梁；第一变截面梁沿长度方向的相对两端分别具有与对应的主桁架连接的第一变截面段，每个第一变截面段的截面高度从与对应的主桁架连接的一端朝远离对应的主桁架的一端逐渐变小；每片主桁架背离第一变截面梁的一侧分别设置一根第二变截面梁，每根第二变截面梁分别具有与对应的主桁架连接的第二变截面段，每根第二变截面梁的第二变截面段的截面高度从与对应的主桁架连接的一端朝远离对应的主桁架的一端逐渐变小。
Steel truss girder of highway-railway combined cable-stayed bridge
The embodiment of the invention provides a steel truss girder of a highway-railway combined cable-stayed bridge. The steel truss girder comprises a lower-layer bridge deck structure, two main trusses, an upper-layer bridge deck structure, two auxiliary trusses and a stay cable anchoring structure. The upper-layer bridge deck structure comprises an upper-layer bridge deck slab and a plurality of first cross beams; each first cross beam comprises a first variable cross-section beam and two second variable cross-section beams; the two opposite ends, in the length direction, of the first variable-section beam are each provided with a first variable-section section connected with the corresponding main truss, and the section height of each first variable-section section is gradually decreased from the end connected with the corresponding main truss to the end away from the corresponding main truss. A second variable cross-section beam is arranged on the side, away from the first variable cross-section beam, of each main truss, and each second variable cross-section beam is provided with a second variable cross-section section connected with the corresponding main truss. And the section height of the second variable cross-section section of each second variable cross-section beam is gradually reduced from one end connected with the corresponding main truss to one end far away from the corresponding main truss.
本申请实施例提供了一种公铁合建斜拉桥钢桁梁，包括：下层桥面结构、两片主桁架、上层桥面结构、两片副桁架和斜拉索锚固结构；上层桥面结构包括上层桥面板和多根第一横梁；每根第一横梁包括第一变截面梁和两根第二变截面梁；第一变截面梁沿长度方向的相对两端分别具有与对应的主桁架连接的第一变截面段，每个第一变截面段的截面高度从与对应的主桁架连接的一端朝远离对应的主桁架的一端逐渐变小；每片主桁架背离第一变截面梁的一侧分别设置一根第二变截面梁，每根第二变截面梁分别具有与对应的主桁架连接的第二变截面段，每根第二变截面梁的第二变截面段的截面高度从与对应的主桁架连接的一端朝远离对应的主桁架的一端逐渐变小。
Steel truss girder of highway-railway combined cable-stayed bridge
一种公铁合建斜拉桥钢桁梁
LIU ZHENBIAO (author) / WEN WANGQING (author) / YAN AIGUO (author) / XIA ZHENGCHUN (author) / YIN TAO (author) / YAN DINGGUO (author) / YANG DEWANG (author) / JIANG HONGJING (author) / HU FANGJIE (author) / NIE LIFANG (author)
2021-07-13
Patent
Electronic Resource
Chinese
IPC:
E01D
BRIDGES
,
Brücken
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