洞坎河大型牵引式顺层滑坡成因机理及防治对策

叙述了张罗公路洞坎河大型牵引式顺层滑坡的工程地质条件，分析了滑坡成因机理。特殊的地质构造部位和表层发育的节理裂隙是滑坡发生的内因，坡脚深切切断顺坡岩层是形成滑坡的直接外因。而高强度降雨和地下水活动是产生滑坡的主要诱发因素，在此基础上提出了坡面防护及坡面排水的综合处治措施。

The Contributing Factor and Mechanism and Preventive Treatment Measures of Dongkan River Large - scale Landslide

It states large - scale landslide' s engineering geology condition of Zhangluo highway Dongkan River landslide, analyses the landslide's contributing factor and mechanism, and draws the following conclusions: the landslide ' s external factor is the especial geologic structure and surface rock' s strong weathering; the internal factor is favorable slope rock stratum amputated; the most important inducing factor is torrential rain and ground water activity. It finally puts forward synthetic preventive treatment measures.