动静荷载下层状围岩隧道应力集中分布特征

杨玉民,蒋楠,姚颖康,周传波,蒙贤忠,赵茉溪

Characteristic of stress concentration distribution in layered rock of tunnel under dynamic and static load

Yumin YANG,Nan JIANG,Yingkang YAO,Chuanbo ZHOU,Xianzhong MENG,Moxi ZHAO

表 1 层状围岩静力变形的模型试验参数

Tab.1 Model test parameter of static deformation of layered rock

参数类型 (l×w)/m2 ρ/(g·cm−3) σc/MPa h/cm F/MPa 实际值 5.7×5.7 2.024 91.91 156 6、8 计算值 0.57×0.57 2.024 9.191 15.6 0.6、0.8 试验值 0.57×0.57 2.007 8.900 15.6 0.6、0.8