轻型组合桥梁负弯矩区接缝抗弯性能试验

邓舒文,邵旭东,晏班夫,邱明红

Experiment on flexure behavior of joint in negative moment area of lightweight composite bridge

Shuwen DENG,Xudong SHAO,Banfu YAN,Minghong QIU

表 4 关键截面的名义开裂应力

Tab.4 Nominal cracking stress of critical sections

截面编号 Pcr/ kN σcr/ MPa 截面1 (UHPC基体) 424.5 15.96 截面2 (接缝界面) 196.6 7.39 截面3 (跨中，墩顶) 1033.9 19.02 截面4 (接缝界面) 143.5 5.40 截面5 (UHPC基体) 336.5 12.66