Based on the investigation of Huazigou landslide of Gansu provincial road 202, it put forword that Huazigou landslide is a large deep bedrock landslide, the landslide as a whole in a stable state. Due to continuous rainfall and excavation induced shallow slide, prevention meas- ures were suggested from the perspective of geology engineering, so as to avoid the influence of shallow slides on roads.%通过对甘肃202省道花子沟滑坡的勘察，提出该滑坡为大型深层基岩滑坡，整体处于稳定状态，由于连续降雨和施工开挖，诱发浅层滑动，并从工程地质角度提出了防治措施，从而避免了浅层滑动对道路的影响。
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