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依据的滑坡时代分类方案,可将滑坡划分为始滑坡、古滑坡、老滑坡、新滑坡,其中老滑坡因其工程地质特征的特殊性,具有一定的隐蔽性,在水库蓄水、公路建设切角开挖或其他动力条件改变后极易发生复活,严重影响工程建设。本文对老滑坡地形地貌特征、物质结构特征、滑带发育特征等典型工程地质特征及形成演化特征进行了系统的研究论述,对工程建设中老滑坡研究具有一定的指导意义。
Based on the landslide age classification scheme, the landslide can be divided into the first landslide, the ancient landslide, the old landslide and the new landslide. The old landslide has a certain concealment because of its special engineering geological features. Corner excavation or other dynamic conditions change easily after the resurrection, seriously affecting the construction. In this paper, we systematically studied and discussed the typical engineering geological features and formation and evolution characteristics of the top landslide features, material structure features and development characteristics of the sliding landslides, which are of guiding significance for the research on middle and old landslides.