钦州子材大桥设计关键参数研究  

Study on Key Design Parameters of Qinzhou Zicai Bridge

作　　者：万鹏[1] 马骉[1] 袁建兵[1] 

机构地区：[1]上海市政工程设计研究总院(集团)有限公司,上海市200092

出　　处：《城市道桥与防洪》2013年第7期86-88,11,共3页Urban Roads Bridges & Flood Control

摘　　要：钦州市子材大桥是中心城区跨越钦江的一座特大型桥梁,主桥桥型方案采用预应力混凝土自锚式悬索桥,跨径布置为65m+158m+65m,主梁全宽35.5m,首先简要介绍了该桥的结构特点,通过初步计算,同时参考国内外类似桥梁实例,对矢跨比、主梁形式、主塔造型、缆吊与锚固体系等关键参数进行比选和研究,选择合理的结果以实现设计意图。Zicai Bridge is a super-long bridge crossing Qinjiang River in the central area of Qingzhou.The main structure of Zicai Bridge is a pre-stressed concrete self-anchored suspension bridge with three spans of 65 m+158 m+65 m.The total width of its main beam is 35.5 m.The article firstly introduces the structural characteristics of this bridge.The key design parameters of its rise span ratio,main beam type,main pylon modeling,cable crane and anchorage system are compared and studied by the preliminary calculation and also referring the cases of the similar bridges at home and abroad in order to select the reasonable result for the realization of the design intents.

关 键 词：自锚式悬索桥 预应力混凝土梁 设计参数 

分 类 号：U448.25[建筑科学—桥梁与隧道工程]