The sliding surface of rock or soilblock usually appears three-dimensional feature, so, the 2-D limit equilibrium method is not good to analyze the block stability.
岩体与土体失稳的滑裂面形状大多具有三维特征，用二维极限平衡理论难以得到与实际相应的分析结果。
2
Lin look at the soil, like Block, a European-style castle ruins, guarded barriers, it is respect.
看那土林，酷似一座座欧式古堡遗址，森严壁垒，令人肃然起敬。
3
In high slope the pipeline is anchored with sand or soil bags and the upper and lower part of the block is compact solidly.