隧道衬砌抗弯承载能力概率劣化模型

韩兴博,夏永旭,王永东,叶飞

Probabilistic degradation model for tunnel lining flexural capacity

Xing-bo HAN,Yong-xu XIA,Yong-dong WANG,Fei YE

表 1 模型参数及试验与理论结果对比

Tab.1 Model parameters and comparison between experimental and theoretical results

编号 fcd/MPa fsd/MPa η/% Pm/kN Ps/kN Φ12 Φ18 上缘 下缘 1 34.55 359.6 366.7 1.14 4.10 172 168.7 2 34.55 359.6 366.7 1.07 12.90 139 102.9 3 34.55 359.6 366.7 0.85 6.10 144 149.3