摘要
某大型钢结构屋盖为空间管桁架构成的曲面钢结构体系,采用有限元仿真计算,分析了钢结构屋盖卸载前后的变形,根据卸载前和最终成形后的变形,确定卸载思路;分析典型部位的应力和应变情况,为结构全过程卸载安全提供了计算依据。
The large-scale steel structure roof is a surface steel structure system composed of spatial pipe truss. Using the finite element method simulation,the pre and post deformation of the roof was analyzed during the unloading.According to the deformation,the unloading thought of the roof was made. Also, the stress and strain of the typical parts were studied, which provided the calculation for the safety of the whole structure unloading.
出处
《中国建材科技》
2013年第4期109-110,共2页
China Building Materials Science & Technology
基金
大学生实践创新训练计划项目(CX1329)
关键词
钢结构
屋盖卸载
变形
应力应变
steel structure
unloading of the roof
detbrmation
stress and strain
