摘要
以浮山县丞相河特大桥为背景,该桥为一座预应力混凝土连续刚构桥,主桥跨径为66.5 m+120 m+66.5 m,横断面为单箱双室截面。采用Midas FEA有限元软件对该桥主桥T构进行仿真实体建模,对其悬臂施工阶段进行静力、动力及稳定性分析,得出T构悬臂施工阶段结构的力学特性。
This article is based on the background of the Chengxiang River large bridge in Fushan County. The bridge is a prestressed concrete continuous rigid frame bridge. The main span is 66. 5 ＋ 120 ＋ 66. 5m. Its cross section is a single box double room section. The Midas FEA software is used on the simulation modeling of T - frame of the main bridge. The static force, dynamic force and stability in the cantilever construction stage are analyzed, and then the mechanical properties in the T - frame bridge cantilever construction stage is obtained.
关键词
桥梁工程
T构
力学特性
应力
振型
模态
bridge engineering
T - frame
mechanical properties
stress
vibration mode
modality
