索结构外文文献 800m大跨度巨型格构悬挂结构静力性能及稳定性研究.pdf

Structures23(2020)139-151 Contents lists available at ScienceDirect Structures Structures ELSEVIER journal homepage:.elsevier./locate/structures On the static properties and stability of 800 m long-span mega-latticed suspension structures Check for Qingwen Zhanga b" Zibin Zhaoa b Jianfeng Chena b Feng Fan b Shizhao Shena b a Key Lab of Structures Dynamic Behavior and Control of China Ministry of Education Hartbin Instituate of Technology Harbin 150090 China Key Lab of Smart Prevention and Mirigation of Civil Engineering Disasters of the Ministry of Industry and Information Technology Hartin institute of Technology Harbin 150090 China ARTICLE INFO ABSTRACT Keywordk In order to develop super long-span structures the characteristics of suspension bridges are considered for use in Super long-span suspended hybrid structures initially considering a structure with a span of 800 m.The control parameters for Suspended hybrid structure the geometrical shape of the structure are given and a structural model is established using ANSYS.The initial Static analysis form of the main cable is studied and a feasible pylon scheme is designed.Static stability and parameter analysis Stability of the structure are conducted and progressive collapse analysis after the breakage of the sling is undertaken. Parameter analysis Progressive collapse analysis The results show that both wind loads and temperature have significant effects on the structure.There is not a destabilization problem exist ...