Analysis of Closing and Temperature Effect of Steel Roof of Stadium
The roof steel structure of Lüliang New Town Stadium is mainly composed of four large-span steel arches with two-way spans of 204m and 160m respectively.The four corners are located on four concrete caps connected by four prestressed concrete pull beams.The caps provide strong constraints for the roof steel structure,which makes the temperature effect of the roof steel structure obvious.The difficulties of steel structure closure are analyzed.The closure sequence,closure measures and closure temperature control are introduced.The finite element analysis is used to analyze the constraint size of the cap on the steel roof.The deformation and internal force of the temperature before and after the closure of the stadium roof steel structure are simulated,especially the influence of temperature on the length of the closure section.
万方数据
维普
