Optimization Design And Performance Analysis Of Steel Shear Wall With Unequal Crack Opening

In the high-rise building structure,the lateral load plays a major role in control.Therefore,it has become an important issue to study the behavior of the anti-lateral force components such as stress and deformation.Unequal height open shear steel plate shear wall is a new kind of anti-lateral structural member,which has good economic benefits and structural performance.This paper mainly uses the method of theoretical analysis and numerical simulation.Through the analysis of the influence of parameters on the stability and seismic performance of unequal height steel plate shear walls,the corresponding parameter design suggestions are proposed.which provide a basis for the actual application of the project.And reference.The work as follows:(1)The theoretical analysis of the initial anti-side stiffness and ultimate bearing capacity of the unequal high-strength steel plate shear wall was carried out.The theoretical calculation formulas are given,and the effects of setting stiffeners and unstabilized ribs on the initial anti-side stiffness and ultimate bearing capacity of unequal height-staggered steel plate shear walls are given respectively.(2)Based on the elasticity and elastoplasticity,the buckling analysis of the stability of the shear wall with unequal height of open shear wall is performed.The influencing law of opening parameters,stiffener parameters,and overall wall plate parameters on the stability of unequal height steel plate shear walls was investigated.The related design suggestions were given.(3)Analyze the seismic performance of the unequal height open shear wall.The effects of various parameters such as stiffener parameters,wall panel parameters,and opening parameters on the characteristics of hysteresis curves,out-of-plane deformation,skeleton curves,and energy dissipation performance were investigated.