灾害学2017，Vol.32Issue(3)：96-100,5.DOI:10.3969/j.issn.1000-811X.2017.03.017
甘肃黑方台焦家滑坡泥流运动过程的模拟
Simulation of Motion Process for the Landslide Flow Located in Heifangtai Jiaojia, Gansu Province
摘要
Abstract
A landslide flow in Jiaojia,Heifangtai platform,Gansu is taken as an example,after the field measurement and laboratory test,the motion model put forward by Sassa is utilized to analyze the motion process of the landslide in Heifangtai.Resuhs show that the sliding body detaches the slope at the beginning of motion.The maximum motion speed is 22.3m/s and the duration time of the speed between 17m/s and 22.3m/s is 10s,implying the landslide flow has high velocity.The whole motion process can be divided into three stages:accelerating stage,vibration stage and stabilizing stage.The high-steep terrain,high strength of natural soil and low strength of saturated soil,as well as the broad slope topography in from of the slope contributes to the high speed if the landslide-flow.关键词
滑坡泥流/野外测量/室内试验/运动模拟/黑方台/甘肃Key words
landslide-flow/field measurement/laboratory tests/motion simulation/Heifangtai, Gansu分类
资源环境引用本文复制引用
赵纪飞,侯晓坤,李同录,蔺晓燕..甘肃黑方台焦家滑坡泥流运动过程的模拟[J].灾害学,2017,32(3):96-100,5.基金项目
国家自然科学基金项目(40772181,41372329) （40772181,41372329）
国家重点基础研究发展计划(973计划)资助项目(2014CB744701) （973计划）
