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 5 20~50 m钢-UHPC组合桥梁初步设计截面主尺寸

Tab.5 Main section dimensions of 20-50 m span SU-LWCBs preliminary design

L/m h/m hs/m hl/m 单侧台阶长/m 20 0.88 0.75~0.62 0.028 1.625 30 1.28 1.15~1.02 0.028 2.92 40 1.93 1.80~1.67 0.038 2.96 50 2.63 2.50~2.37 0.038 3.51