The structural system of a lecture hall is RC frame-shear wall structure with steel space grid roof.In or-der to analyze the mixed structure accurately,3D3S software is used to calculate the space grid,and YJK-A software is used to design the main RC structure.To ensure the reliability of design,MIDAS GEN software is used to estab-lish an overall model for supplementary analysis.Various indicators of the main RC structure and space grid are com-pared.The results indicate that the results of the overall model are close to those of the independent model,the deri-vation and simplification method of the support stiffness is reasonable.
steel space grid roofsupport stiffnessoverall analysis
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