摘要
位于黄土高原的甘肃黑方台由于近年来的农业灌溉用水使地下水位抬升,造成了大量黄土滑坡,进而给当地造成了严重损失。对滑坡体进行了现场调查,在查明黑方台基本环境地质条件的基础上,采用统计分析法和定性分析方法对滑坡进行空间分区和分类,将其滑坡分为黄土—泥岩滑坡、浅层黄土滑坡、黄土泥流和突发型黄土滑坡4类,并结合其基本地质条件对不同类型滑坡的基本特征数据进行对比分析,得出各类滑坡基本特征差异的主要影响因素。最后对黑方台滑坡的防治提出了指导建议。
Heifangtai is one of the typical loess platforms in Gansu Province,where the underground water level was upraised and many landslides occurred in recent years due to long term agricultural irrigation. And the frequent loss landslides have seriously threatened the local development. Based on the field investigation of the loss landslides in Heifangtai and its environmental geological conditions,we made a spatial- division and classification for the landslide by using statistical and qualitative analysis method. The landslides can be divided into four types including loess- mudstone landslides,shallow loess landslides,loess earth flows and sudden loess landslides. In addition,the main influential factors for different features of various landslides were concluded through analysis of the basic geological conditions. Finally,some suggestions to prevent the landslides were put forward.
出处
《人民长江》
北大核心
2016年第14期46-50,68,共6页
Yangtze River
基金
国家重点基础研究发展计划项目(2014CB744703
2013CB733200)
国家杰出青年科学基金项目(41225011)
关键词
滑坡类型
基本特征
影响因素
黄土滑坡
甘肃省
types of landslides
basic characteristics
influencing factors
loess landslides
Gansu Province
