滑坡发育概率与坡度间关系的研究  

Research on Statistic Relationship between Slope Gradient and Landslide Probability

作　　者：严越[1] 王森[1] 王一超[1] 

机构地区：[1]成都理工大学,四川成都610059

出　　处：《人民珠江》2017年第8期50-53,共4页Pearl River

摘　　要：以南江县为研究区,运用非参数检验方法,对南江县县城周边重点调查区内的357个滑坡发育的原始坡度进行统计分析,最终建立了南江县境内滑坡发育概率与坡度间的函数关系。根据这一函数关系,计算出南江县境内滑坡在不同坡度区间的发育概率,并将南江县境内滑坡发育概率分为以下3类:坡度区间为18°~35°时,发生滑坡的概率最大;坡度区间为13°~17°及36°~40°时,发生滑坡概率中等,坡度区间为13°以下及40°以上时,滑坡发育概率最低。研究结果与实际调查的情况吻合,可为南江县滑坡防治规划提供依据。This paper counted and analyzed the original slope gradient of 357 landslide development in key survey areas around Nanjiang county by non - parametric tests. Then, the functional relationship between gradient and probability of landslide development was estab- lished. According to the relationship, this paper calculated the development probability of landslide in different gradient ranges in Nan- jiang county and divided the probability into three kinds： If range between 18° and 35°, the probability was the maximmn; If range be- tween 13° and 17° or 36° and 40°, the probability was the medium; If range below 13° or above 40% the probability was the minimum. The research result inoseulated preferably with the fact, which could provide potent gist to the construction of Nanjiang county in fu- ture.

关 键 词：坡度 滑坡 非参数检验 概率 

分 类 号：TV698.232[水利工程—水利水电工程]