三山西大桥主桥设计简介

Key Points to Design of Main Spans of sanshan West Bridge

介绍了三山西大桥主桥设计所采用的技术标准；主桥的选型及截面型式及尺寸的选定；施工阶段结构及稳定安全度的分析计算，运营阶段结构的强度计算；主拱肋构件的制作与安装；主桥的施工监测及成桥后的动静载试验的情况。

General considerations for selecting bridge type from comparsion of the continuous rigid-framedstructure,cable-stayed bridge and half- thruarch bridge of steel pipeconfining concrete for main spans of San-shan West Bridge are described.Conceptual design and constructiOn scheme preparation for the selected bridgetype are also introduced。