东源仙塘东江大桥连续刚构桥设计  

Design of Continuous Rigid-frame of Xiantangdongjiang River Bridge in Dongyuan

作　　者：熊利华[1] 杨云安[1] 刘毓湘[2] 

机构地区：[1]中交第四航务工程勘察设计院,广州510230 [2]暨南大学,广州510632

出　　处：《北方交通》2006年第10期24-26,共3页Northern Communications

摘　　要：东源仙塘东江大桥的主桥跨径为30m+50m+50m+30m连续刚构桥。主墩采用单薄臂;中跨合拢时施加水平顶推力以调节主墩内力;为了主桥施工安全设置临时墩。The main span of present bridge is a continuous rigid - frame of 30 and 50 and 30 meter. There＇ s a main pier with thin wall. The level launching force is exerted on mid span as the latter folds in order to regulate internal force of the main pier. Temporal pier is set up for safty of the main bridge in construction.

关 键 词：连续刚构桥 单薄臂 临时墩 水平顶推力 温度应力 

分 类 号：U448.23[建筑科学—桥梁与隧道工程]