收缩徐变对悬臂拼装斜拉桥主梁线形的影响  

The influences of shrinkage and creep on main beam linear of cantilever assembled cable-stayed bridge

作　　者：黄昌仁 杨晓云[2] 

机构地区：[1]柳州市市政工程有限责任公司 [2]广西工学院土木建筑工程系

出　　处：《山西建筑》2007年第19期327-328,共2页Shanxi Architecture

摘　　要：介绍了混凝土斜拉桥采用的两种方法的优缺点,就收缩徐变对悬臂拼装预应力混凝土斜拉桥主梁线形的影响进行了研究,并结合工程实例进行了说明,以进一步提高悬臂拼装预应力斜拉桥的施工水平。This paper introduces advantages and disadvantages of two methods adopted by concrete cable-stayed bridge, studies the influences of shrinkage and creep on main beam linear of cantilever assembled pre-stressed concrete cable-stayed bridge, and illustrates it combined with practical engineering, in order to further improve construction level of cantilever assembled pre-stressed cable-stayed bridge.

关 键 词：斜拉桥 收缩 徐变 主梁线形 

分 类 号：U448.27[建筑科学—桥梁与隧道工程]