摘要
木崖公园滑坡滑体主要为粉质黏土,滑床和滑带分别由强风化泥岩与含角砾粉质黏土构成,系典型蜀南红层残坡积类滑坡。研究表明:地形、地貌、地层岩性是滑坡形成的物质基础。雨水入渗导致岩体物理力学性能弱化。斜坡经历蠕变—拉裂—剪断变形阶段之后,最终形成滑坡。
The slide of Muya garden landslide is consisted of silty clay,and the slip zone is composed of silty clay with angular mudstone.Highly weathered mudstone constitutes the bedrock under the slip zone.It is a landslide of residual deposits type.It is shown that the formation of landslide is on the basis of terrain,ground feature and lithology;infiltration of rain lead to rock mass weakening of physical and mechanical properties,which force the slope to experience the deformation process of creeping-tension fracture-shearing;and then the landslide is generated.
出处
《科学技术与工程》
2011年第7期1520-1524,共5页
Science Technology and Engineering
关键词
残坡积物
性能弱化
变形
滑坡
residual deposits property weakening deformation landslide
