钢管混凝土柱-混合梁节点抗震性能试验研究

冯帅克,郭正兴,倪路瑶,李国建,宫长义,谢超,满建政

Experimental study on seismic performance of joints connecting concrete-filled steel tube columns and hybrid beams

Shuai-ke FENG,Zheng-xing GUO,Lu-yao NI,Guo-jian LI,Chang-yi GONG,Chao XIE,Jian-zheng MAN

表 3 试件主要性能指标

Tab.3 Primary performance indexes of specimens

试件 加载方向 Py/kN Δy/mm Pu/kN P0.85/kN Δu/mm μ $\bar \mu$ IJ-1 正向 254.1 27.2 306.9 276.2 57.2 2.1 2.1 负向 −261.9 −28.1 −303.4 −257.8 −58.6 2.1 IJ-2 正向 246.6 29.0 302.3 296.8 123.6 4.3 4.2 负向 −234.6 −29.1 −292.6 −248.7 −119.8 4.1