环湖绿道红星坪悬索桥总体设计

Overall Design of Hongxingping Suspension Bridge on Greenway around Lake

摘要:

红星坪悬索桥桥梁总长232 m，主桥为双塔单跨悬索桥，主跨为222 m，垂跨比1/10.2；桥面宽度6 m，净宽4.8 m。索塔采用钢筋混凝土塔柱；主缆及抗风缆锚碇采用重力锚；加劲梁采用分离式钢箱梁，上、下游设置抗风缆。通过详细阐述人行悬索桥的总体设计要点，结构设计关键节点，为后续类似项目提供指导。

Abstract:

The total length of Hongxingping Suspension Bridge is 232 m. The main bridge is a double-pylon single-span suspension bridge. Its main span is 222 m. The vertical span ratio is 1/10.2. The bridge deck width is 6 m and the clear width is 4.8 m. The reinforced concrete pylon columns are adopted for the cable pylon. The gravity anchors are used as the anchorage of the main cable and wind resistant cable. The stiffening beam is a separated steel box beam. The wind resistant cables are installed upstream and downstream. The key points of the overall design of the pedestrian suspension bridge and the key nodes of the structural design are described in detail, which provides the guidance for similar projects in the future.