地震动荷载下深埋巷道压力拱高度响应规律的数值模拟研究 |
谢学斌,高山,过江,叶永飞 |
Numerical Simulation Study on the Response Law of Pressure Arch Height of Deep-buried Tunnel Under Seismic Dynamic Load |
Xuebin XIE,Shan GAO,Jiang GUO,Yongfei YE |
图3 弹塑性围岩应力分布图 1-松动区;2,3-承载区;4-原岩应力区;r0为隧道半径;σT为切向应力;σθ为径向应力;σ0为原岩应力 |
Fig.3 Distribution map of elastic-plastic surrounding rock stress |