Design and research of a complex large-span steel structure connected structure
This project is a large-span connected building,with a maximum span of 46 meters for the connected structure.The connecting body itself adopts a steel truss structure,and the main structures on both sides of the connecting body are concrete frame structures.This paper focuses on analyzing and comparing the effects of rigid connection,semi-rigid connection,and flexible connection on the internal forces of bearings in large-span connected steel structures and main structures.According to the analysis and comparison,the large-span connected structure of this project adopts lead core rubber bearings.Meanwhile,this paper uses advanced finite element software MIDAS gen for overall analysis of connected structures.During structural design,detailed analysis was conducted on the key and weak parts of the structure,and structural measures were strengthened to ensure the safety of the structure under the ultimate bearing capacity and normal use limit states.
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