摘要
依托济广高速济南连接线工程,以主线桥30 m+45 m+30 m等宽箱梁为研究对象,对其进行了总体分析、复核和优化设计。
This paper conducted a research on the （30 m ＋ 45 m ＋30 m）wide box girder of main line bridge based on Jinan connecting line of Jinan - Guangzhou expressway. Through aggregate analysis, reexamination and optimization design, it drew some conclusions as following.
关键词
宽箱梁
空间力学行为
优化设计
数值分析
wide box girder
spatial mechanics beh - avior
optimization design
numerical analysis
