If there is thick and loose soil covering the opening of tunnel,the excavation of tunnel at the access will cause the change of stress state of surrounding rock to produce large displacement and probably lead to the enlargement of plastic zone of its upper covering soil generating obvious sliding plane and furthermore causing the landslide of opening.
隧道洞口附近覆盖较厚松散土层,进口处的隧道开挖会引起围岩应力状态变化,产生较大位移,且有可能导致其上部覆盖土层塑性区增大,出现明显的滑动面,进而产生洞口滑坡。
Landslide stability analysis and control at portal of tunnel
隧道洞口滑坡稳定性分析及滑坡治理
Analysis and Prevention Method of Landslide Stability at Tunnel Middle Segment
隧道洞身滑坡稳定性分析及处治措施
Stability analysis of the side slope in the portal section of tunnel with semi-open and semi-underground method
半明半暗法隧道进洞洞口段边坡稳定性研究
The mouth of the cave was up the hillside -- an opening shaped like a letter A.
洞口在山坡上——形状像大写的字母Ａ。
Research on the Slop Stability and Control Technique at the Tunnel Entrance;
隧道洞口边坡稳定性与控制技术研究
Research on Slope Stability Around Tunnel Entrance in Loess Areas;
黄土地区隧道洞口段边坡稳定性研究
Study on Schemes of Tunnel Portal at Landslides of Mountain Expressway;
穿越滑坡体的山区高速公路隧道进洞方案研究
Stability Analysis and Treatment Design on Xujiadong Landslide;
许家洞滑坡稳定性分析与设计治理研究
Study of Mechanism and Treatment of ZhuQuedong Landslide in the Western Hunan;
湘西朱雀洞大滑坡机理分析与处治措施研究
Wind Tunnel Experiment on Aerodynamic Effect of High-Speed Long-Runout Landslides
高速远程滑坡飞行空气动力学的风洞试验研究
The Steady of Xiakou Landslide under the Different Rainfall Conditions;
不同降雨条件下峡口滑坡稳定性研究
The Analysis of the Stability and the Pilot Study of the Influence of Rainfall to Xiakou Slope;
峡口滑坡稳定性分析与降雨影响初探
Research on the Mechanism and the Kinetic Characteristic of Donghekou Landslide
东河口滑坡成因机理与运动特征研究
Study on Stability of Tunnel-Face Slope for Intake of Right-Bank Jinping Ⅰ Hydropower Station
锦屏一级水电站泄洪洞进水口洞脸边坡稳定性研究
Evaluation on slope stability of a hydroelectric station spillway,Lancang River
澜沧江某水电站泄洪洞出口边坡稳定性评价
Water Guiding Tunnel Slope Stability Analysis in Right Bank in JinChuan Hydro-power Station;
金川水电站右岸导流洞进水口边坡稳定性评价
Analysis of the Stability of the Slope of the Outlet Section of Spillway Tunnel of Luding Hydropower Station;
泸定水电站右岸泄洪洞出口边坡稳定性研究
Mountainous Tunnel Surrounding Rock Classification & Study on Landslide Stability;
山区隧道围岩分类与洞口边坡稳定性研究