Landslide does great harm to engineering construction and sliding zone is the key component of Landslide. Due to its contain rich information of growth and evolution and even control the occurrence of landslide hazard,sliding zone soil become an important research content in the field of Engineering Geology both at home and abroad. Current research on sliding zone soil mainly focus on the physical and mechanical properties of sliding zone soil of a specific landslide. This article, firstly from the starting of distinguish of sliding zone soil, introduced the sliding zone soil formation and evolution research status, afterward, mainly introduced the effect of grain composition, mineral composition (especially the composition of clay mineral), chemical water-rock(soil) interaction, the physical and mechanical effect of water, microstructure on the strength of sliding zone soil, finally discussed the problems existing in the research of sliding zone soil and its development trend.%滑坡对工程建设危害巨大，滑带土是滑坡的关键组成部分，由于其蕴含了滑坡发育、发展过程的丰富信息甚至控制着滑坡灾害的发生，成为国内外工程地质界关于滑坡研究的基础内容。目前关于滑带土的研究多集中在对具体滑坡滑带土的物理力学性质方面，而较少对滑带土形成演化机制和影响滑带土强度因素深入系统研究，本文首先从滑带土的识辨出发，介绍回顾了滑带土形成演化研究现状，然后重点介绍了滑带土的颗粒组成、矿物组成（特别是粘土矿物组成）、水-岩（土）化学作用、水的物理力学效应、微观结构对滑带土强度影响的研究成果。最后探讨了滑带土研究中存在的问题和发展趋势。
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