The characteristics of loess interface landslide and loess-mudstone layer plane landslide are low sliding velocity, short sliding distance and low stability after sliding.
黄土接触面滑坡、土泥岩顺层滑坡的滑速低、滑距短，滑体具有稳定性差、活性强的特点。
The most difficult task in analysis of landslide lies in search of critical slide plane. Intelligence optimization arithmetic has its own spectacular advantage in solving this type issue.
滑坡分析最困难的问题在于临界滑动面的搜索，智能优化算法在解决此类问题时有着独特的优势。
The shear slide plane of a landslide is difficult to find, it is even more difficult to have a clear idea of the slide plane and the characteristics of slide affected zone.
滑坡的剪切滑动面较难查找，而要了解滑动面形态以及滑动影响带特征更为困难。
According to plane rigid model, a sliding rupture landslide instable criterion is set up. The analysis results show that the landslide occurs when slope height is greater than the critical height.
根据平面刚体模型，给出了滑移-拉裂型滑坡的失稳判据，即滑坡的条件为边坡高度要大于临界高度。
The seismic loading was simulated by raising the inclined plane on which the landslide model was placed.
地震荷载采用使模型倾斜的方法模拟。
The seismic loading was simulated by raising the inclined plane on which the landslide model was placed.
地震荷载采用使模型倾斜的方法模拟。
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