Slope slide is a catastrophe. A model of slope stability is developed based on catastrophe theory and analyses of slop stability using the model are conducted with some examples.

• 针对边坡的滑移是一灾变问题，应用灾变理论建立了边坡稳定性的灾变模型，并结合实例，对边坡的稳定性进行了灾变分析。