板桁结合梁斜拉桥3D-ANSYS建模技术研究  

Study on 3D-ANSYS modeling technique for large span cable-stayed bridge with a plate-truss composite beam

作　　者：李元松[1] 李新平[1] 姜天华[2] 

机构地区：[1]武汉理工大学土木与建筑学院 [2]武汉科技大学城建学院,湖北武汉430070

出　　处：《武汉工程大学学报》2008年第4期65-68,72,共5页Journal of Wuhan Institute of Technology

摘　　要：以天兴洲大桥为背景,分析大跨度板桁结合梁公铁两用斜拉桥的结构特点.给出有限元法模型的假设条件与相关问题的处理技术.基于ANSYS平台,利用APDL开发工具,实现了大跨度斜拉桥的3D有限元程序化建模.并详尽介绍了建模程序框架与功能模块的实现方法,其成果可供桥梁设计与结构分析时参考.The structure characteristic of large-span cable-stayed bridges with a plate-truss composite beam was analyzed. The assumptive condition and disposal technique of FEM modeling were given with Tianxinzhou Bridge as a practice example. Based on ANSYS software, a 3D FEM model was established by means of APDL tool. Subsequently, the program frame and implement method of every function model were depicted in detail. The results will be available for design and calculating in bridge engineering.

关 键 词：板桁结合梁 斜拉桥 有限元法 程序化建模 

分 类 号：U448.27[建筑科学—桥梁与隧道工程]