不同连接方式叠合板-现浇梁滞回性能试验研究

郑嘉润,张明山,李本悦,徐铨彪,龚顺风

Experimental study on hysteretic behavior of composite slab and cast-in-situ beam with different connection modes

Jia-run ZHENG,Ming-shan ZHANG,Ben-yue LI,Quan-biao XU,Shun-feng GONG

表 3 试件特征点处的弯矩和位移角

Tab.3 Moment and drift ratio at characteristic points of specimens

试件 规格 加载 方向 My/ (kN·m) ϕy Mmax/ (kN·m) ϕmax ϕu μ A1 (+) +16.8 +0.010 +19.6 +0.030 — — A1 (−) −12.0 −0.013 −14.0 −0.018 −0.031 2.40 A2 (+) +17.1 +0.008 +20.1 +0.027 — — A2 (−) −11.6 −0.010 −13.8 −0.020 −0.029 2.78 A3 (+) +18.2 +0.011 +20.6 +0.024 — — A3 (−) −13.1 −0.007 −14.8 −0.018 −0.033 4.70 B1 (+) +16.9 +0.007 +20.3 +0.015 — — B1 (−) −12.8 −0.009 −15.0 −0.015 −0.019 2.17 B2 (+) +14.2 +0.006 +19.8 +0.020 — — B2 (−) −12.3 −0.007 −14.7 −0.020 −0.040 5.63 B3 (+) +19.0 +0.009 +22.1 +0.020 — — B3 (−) −12.7 −0.007 −15.2 −0.020 −0.044 6.29 C1 (+) +18.0 +0.009 +21.0 +0.030 — — C1 (−) −11.1 −0.007 −13.5 −0.015 −0.028 3.95 C2 (+) +18.8 +0.009 +21.2 +0.020 — — C2 (−) −10.5 −0.007 −12.7 −0.020 −0.029 4.12 C3 (+) +20.0 +0.010 +21.3 +0.015 — — C3 (−) −11.7 −0.007 −13.7 −0.010 −0.063 8.70 D1 (+) +27.4 +0.012 +31.7 +0.040 — — D1 (−) −8.6 −0.014 −9.5 −0.020 — — E1 (+) +17.1 +0.008 +20.3 +0.020 +0.054 6.81 E1 (−) −14.5 −0.010 −16.5 −0.025 −0.051 4.82