【摘要】 介绍预应力型钢混凝土结构在我国地震区的工程应用现状。综合现有预应力型钢混凝土结构抗震性能的研究成果,着重从已有试验研究现象出发,探讨破坏形态、承载能力、变形恢复能力、延性、刚度退化和耗能能力等抗震性能及其作用机理。结合现成预应力型钢混凝土结构的弹塑性地震反应分析,分析讨论结构滞回曲线和骨架曲线及所得的恢复力模型,研究结构在地震作用下的全过程反应及其破坏机理并估计结构的抗震能力。更多还原

【Abstract】 This article introduce the applications of the prestressed steel reinforced concrete structure in the engineering in China′s earthquake zone.It synthesizes the existing seismic performance research of prestressed steel reinforced concrete structure,focuses on the existing experimental research phenomenon to investigate the failure mode,carrying capacity,deformation recovery capabilities,ductilitystiffness degradation and energy dissipation capacity and other seismic performance and mechanism of action.It combines the available elastoplastic seismic response analysis of the prestressed steel reinforced concrete structures,discusses structure restoring force model obtained from hysteresis curves and skeleton curves,studies the structure response of the whole process in the earthquake and its failure mechanism to estimate the seismic capacity.更多还原