Design Method And Seismic Performance Of Assembled Anti-buckling Steel Plate Shear Wall

Prefabricated structure can speed up the construction progress,improve the quality of construction,and help energy saving and environmental protection.It is the inevitable trend of the residential industrialization.The overall strength and stiffness of the existing prefabricated structure can hardly be completely equal to the cast-in-place.And the use of the prefabricated structure is limited in the high intensity area.In the prefabricated assemb ly structure,the addition of energy dissipation components can effectively reduce the seismic response of the structure and improve the seismic performance of the structure.This paper proposes energy dissipation-assembled anti-buckling steel plate shear wall structure with vertical bearing capacity.Study focuses on the research of assembled anti-buckling steel plate shear wall seismic performance,the stress mechanism and the design method,including the following contents:Put forward a kind of assembly anti-buckling steel plate shear wall based on the traditional anti-buckling steel plate shear wall structure.Introduce a bearing plate in it.And expound its structure and composition.Analysis anti-assembled buckling of steel plate shear wall w ith multiple stress mechanism,and clear the main component design principle.Preliminary verification of the assembled buckling of steel plate shear wall not only can have certain lateral and vertical bearing capacity,but also can increase the multi-channel seismic line.The influence of different parameters of main component on mechanica l properties of fabricated anti-buckling steel plate shear wall is studied by numerical simulation.A detailed analysis of the precast concrete plate,steel plate,steel plate energy dissipation bearing embedded,edge constraint column,concrete cover and embedded steel plate connection influence of different parameters on the mechanical properties,and the main influence parameters,put forward reasonable design proposal.And the main influence parameters are combined design to explore the optimal combination parameters.Based on above,the optimal design of the assembly type anti buckling steel plate shear wall is carried out.Numerical simulation is used to compare the nonlinear performance of the fabricated anti buckling steel plate shear wall and the traditional anti buckling steel plate shear wall.Verify the assembled anti-buckling steel plate shear wall has perfect lateral stiffness and energy dissipation capacity,a nd enhance the overall carrying capacity of the vertical wall,increase the seismic multiple lines of defense,to solve the buckling of steel plate shear wall with local buckling problems.Numerical simulation is used to compare and analyze the double lateral force resisting system composed of assembled anti-buckling steel plate shear wall and anti-buckling steel plate shear wall.It can be concluded that the assembled anti buckling steel plate shear wall system has greater lateral bearing capacity and stiffness than the anti buckling steel plate shear wall.The energy bearing steel plate adds an earthquake resistant line,and is easy to install and disassemble,which is beneficial to the realization of the seismic target.At the same time due to energy dissipation bearing plate can bear force,increasing the shear wall part bear shear deformation,improve the performance of the structure,so that the original by the overall shear type failure to bending failure over the structure,in the frame core wall structure and framework for the formation of a more favorable deformation coordination,reducing the displacement of structure,improve the seismic performance of building structures the.