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一、工程概况 黄山观光索桥南北向跨越新安江,该桥是一座三跨两铰的柔性悬索吊桥,全桥总长290m,桥跨为60+170+60m,矢跨比f/L=1/11。两主塔为异型提篮结构,塔高38m,主缆间距4.5m,桥面净宽4.3m,吊索间距4.0m。 二、主缆构造 黄山观光索桥两根主缆间距4.5m。单根主缆由55根φj15.24mm钢绞线组成,直径为126mm(空隙率20％)。钢绞线的钢丝表面喷涂环氧树脂涂层,并在55根钢绞线外
First, the project overview Huangshan sightseeing cable bridge across the Xin’anjiang north-south, the bridge is a three-span two-hinged flexible suspension bridge, the total length of the bridge 290m, span of 60 + 170 +60 m, sag ratio f / L = 1 / 11. The two main towers are special-shaped basket structure, tower height 38m, the main cable spacing 4.5m, the bridge net width of 4.3m, sling spacing 4.0m. Second, the main cable structure Huangshan Sightseeing Cable Bridge two main cable spacing 4.5m. A single main cable consists of 55 φj15.24mm steel strands with a diameter of 126mm (porosity 20%). Stranded steel wire surface epoxy coating, and 55 outside the strand