独塔混合梁斜拉桥成桥恒载索力优化研究  

Optimizing research on dead load cable tension of hybrid cable-stayed bridge with single tower

作　　者：李孟然[1] 高荣雄[1] 杨涛[1] 

机构地区：[1]华中科技大学土木工程与力学学院

出　　处：《山西建筑》2007年第10期286-287,共2页Shanxi Architecture

摘　　要：针对独塔混合梁斜拉桥的结构形式和受力特点,提出该类斜拉桥的索力优化目标函数和约束条件,并对其进行优化求解,进而确定合理的成桥索力,以满足工程实践的要求。Aceording to the structural style and stress characteristics of hybrid cable-stayed bridge with single tower, the objective function and eonstraint eondition are proposed for optimization solution, and the reasonable dead load cable tension can be determined. In order to satvsfy the requirement of engineering practice.

关 键 词：独塔混合梁斜拉桥 索力优化 目标函数 复合形法 

分 类 号：U448.27[建筑科学—桥梁与隧道工程]