A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Movable bridge of cable-stayed-suspension cable-arch combined system
The invention belongs to the technical field of design and construction of movable bridges in bridge engineering, and provides a movable bridge of a cable-stayed-suspended cable-arch combined system, the structure is divided into two spans, the main span is composed of a main beam, an arch rib, a tied arch suspender, a cable bent tower, a main cable, a suspension bridge suspender, a middle pier and a side pier, and the main span is a combined structure of an inclined suspender tied arch and a suspension bridge; the side span is composed of a main beam, a cable bent tower, a stay cable, a middle pier and a side pier and is of a cable-stayed bridge structure. In the bridge forming state, the main span inclined suspender tied arch bridge and the side span cable-stayed bridge mainly bear the self weight of the bridge and the traffic load on the bridge floor; the suspension bridge structure only bears a small amount of structural dead weight and traffic load. In the opening state, the supports of the two side piers sink, and the whole upper structure is supported by the middle pier to form a double-cantilever structure with the middle pier as a fulcrum. Along with sinking of the ends of the main beams at the two side piers, the main cables and the stay cables are tensioned at the same time, and the cable force at the cable bent tower is kept basically balanced.
本发明属于桥梁工程中的开启桥的设计与施工技术领域，提供一种斜拉‑悬索‑拱组合体系的开启桥，该结构分为两跨，主跨由主梁、拱肋、系杆拱吊杆、索塔、主缆、悬索桥吊杆、中墩和边墩组成，是一种斜吊杆系杆拱与悬索桥的组合结构；边跨由主梁、索塔、斜拉索、中墩和边墩组成，为斜拉桥结构。成桥状态时，主跨的斜吊杆系杆拱桥和边跨的斜拉桥主要承担着桥梁的自重及桥面上的交通荷载；悬索桥结构只承担少量的结构自重及交通荷载。开启状态时，两个边墩的支座下沉，整个上部结构由中墩支撑，成为以中墩为支点的双悬臂结构。随着两个边墩处的主梁端部的下沉，主缆与斜拉索同时被张紧，并且保持索塔处的索力基本平衡。
Movable bridge of cable-stayed-suspension cable-arch combined system
The invention belongs to the technical field of design and construction of movable bridges in bridge engineering, and provides a movable bridge of a cable-stayed-suspended cable-arch combined system, the structure is divided into two spans, the main span is composed of a main beam, an arch rib, a tied arch suspender, a cable bent tower, a main cable, a suspension bridge suspender, a middle pier and a side pier, and the main span is a combined structure of an inclined suspender tied arch and a suspension bridge; the side span is composed of a main beam, a cable bent tower, a stay cable, a middle pier and a side pier and is of a cable-stayed bridge structure. In the bridge forming state, the main span inclined suspender tied arch bridge and the side span cable-stayed bridge mainly bear the self weight of the bridge and the traffic load on the bridge floor; the suspension bridge structure only bears a small amount of structural dead weight and traffic load. In the opening state, the supports of the two side piers sink, and the whole upper structure is supported by the middle pier to form a double-cantilever structure with the middle pier as a fulcrum. Along with sinking of the ends of the main beams at the two side piers, the main cables and the stay cables are tensioned at the same time, and the cable force at the cable bent tower is kept basically balanced.
本发明属于桥梁工程中的开启桥的设计与施工技术领域，提供一种斜拉‑悬索‑拱组合体系的开启桥，该结构分为两跨，主跨由主梁、拱肋、系杆拱吊杆、索塔、主缆、悬索桥吊杆、中墩和边墩组成，是一种斜吊杆系杆拱与悬索桥的组合结构；边跨由主梁、索塔、斜拉索、中墩和边墩组成，为斜拉桥结构。成桥状态时，主跨的斜吊杆系杆拱桥和边跨的斜拉桥主要承担着桥梁的自重及桥面上的交通荷载；悬索桥结构只承担少量的结构自重及交通荷载。开启状态时，两个边墩的支座下沉，整个上部结构由中墩支撑，成为以中墩为支点的双悬臂结构。随着两个边墩处的主梁端部的下沉，主缆与斜拉索同时被张紧，并且保持索塔处的索力基本平衡。
Movable bridge of cable-stayed-suspension cable-arch combined system
一种斜拉-悬索-拱组合体系的开启桥
TAN YONGGANG (author) / SHI LEI (author) / KANG SONGTAO (author) / ZHANG GUANGTAO (author) / ZHAO PENGXIAN (author) / YANG RUNLAI (author) / HONG LINGYUN (author) / WANG ZHAO (author) / PENG ZHICHUAN (author) / WU XIAOYU (author)
2023-08-15
Patent
Electronic Resource
Chinese
IPC:
E01D
BRIDGES
,
Brücken
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