波形钢腹板PC组合箱梁无背索斜拉桥的设计  

Design on Cable-Stayed Bridge Without Backstays of PC Composite Box-Girder with Corrugated Steel Webs

作　　者：吴继峰 

机构地区：[1]河南省交通规划勘察设计院有限责任公司,郑州市450052

出　　处：《公路》2011年第2期54-58,共5页Highway

摘　　要：无背索斜拉桥是一种造型优美独特的桥梁结构形式,将具有自重轻、无腹板开裂问题的波形钢腹板PC组合箱梁应用到这种桥型中,形成了波形钢腹板PC组合箱梁无背索部分斜拉桥。以这种新型结构桥梁———溱水路桥为工程背景,对其主塔、斜拉索、箱梁主体、波形钢腹板、连接件、预应力体系布置、施工等方面的设计进行了详细的介绍。The cable-type bridge without backstays is a new concept bridge structure with particularly exquisite shape.The PC composite box-girder with the corrugated steel webs which holds specific mecha-nical behavior,lightening self-weight,avoiding web cracking will be applied in this bridge type.In this paper,the detailed design configuration of main pylon,cable-stayed,box girder,corrugated steel webs,shear connector,the arrangement of the prestressing tendon and construction are introduced based on the Zhenshuilu Bridge.

关 键 词：无背索斜拉桥 组合箱梁 桥梁设计 波形钢腹板 连接件 

分 类 号：U448.27[建筑科学—桥梁与隧道工程]