带环梁的方钢管约束钢骨混凝土柱-钢梁节点滞回性能有限元分析
戴岩1,2, 聂少锋1, 周天华1

Finite element analysis of hysteretic behavior of square steel tube confined steel reinforced concrete column steel frame ring beam joint
DAI Yan1,2, NIE Shao-feng1, ZHOU Tian-hua1
普通混凝土及钢材本构关系