摘要
基础等构件提供的端部强约束能提高柱临界截面的抗弯承载力.然而这对于按照“强剪弱弯”的抗震设计原则设计的钢筋混凝土柱并不总意味着偏于保守.提出一个组合弹簧模型,以转移临界截面位置的方式考虑这种约束效应,再通过两个柱试件滞回行为的仿真验证了模型的正确性.
Strong end restraint provided by heavy elements,such as footings,can improve the flexural strength of critical column sections.However,this may not always prove conservative for reinforced concrete columns designed according to “strong-shear-weak-bend' seismic design philosophy.A composite spring model is proposed to simulate this phenomenon by shifting the location of its critical section.The model is validated by simulating the hysteretic behavior of two column specimens.
出处
《同济大学学报（自然科学版）》
EI
CAS
CSCD
北大核心
2005年第6期732-736,共5页
Journal of Tongji University:Natural Science
关键词
钢筋混凝土柱
端部约束
滞回行为
仿真
reinforced concrete column
end restraint
hysteretic behavior
simulation
