会议论文详细信息
3rd International Conference on Energy Materials and Environment Engineering
The analysis on characteristic of pre-stressed reticulated mega-structure with grid sub-structure
能源学;生态环境科学
Wu, Chunye^1,2 ; Yin, Zhixiang^1
Liaoning Technical University, Fuxin, Liaoning
123000, China^1
Tiandi Science and Technology Co. LTD, Beijing
100013, China^2
关键词: Architectural structure;    Beam string structure;    Dynamic characteristics;    Mechanical characteristics;    Number of Grids;    Reticulated mega-structure;    Static characteristic;    Time history method;   
Others  :  https://iopscience.iop.org/article/10.1088/1755-1315/61/1/012111/pdf
DOI  :  10.1088/1755-1315/61/1/012111
学科分类:环境科学(综合)
来源: IOP
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【 摘 要 】

The author brings a new structure named pre-stressed mega grid structure which can be applied to super large span architectural structure through combining the advantages of mega grid structure and beam string structure. This new structure has many advantages, such as, light weight, strong rigidity and large span. This article has secondly developed ANSYS software with APDL language for modeling establishment and solving integration, and also edited related programs. Referring to the contractive analysis of dynamic characteristics, static characteristics of pre-stressed mega grid structure and mega grid structure; and by adopting time history method to analyze the seismic response of pre-stressed mega grid structure. One may get the conclusions of strengths in deflection characteristics and mechanical characteristics of pre-stressed mega grid structure. Through analyzing the dynamic characteristics, static characteristics and seismic response of pre-stressed mega grid structure which is across 280m by the method of changing original pre-stress, loss ratio of main structure and the number of grids. It may get conclusions of range of evaluation of all above parameters.

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