摘要
针对超高单台阶排土场存在明显的粒径分级这一特点,以弓长岭某排土场为实例,利用元胞自动机模型模拟现场粒径分布,并借助FLAC^(3D)软件,构建了考虑超高单台阶排土场边坡模型,对比分析了均质边坡和考虑粒径分级边坡的稳定性。结果表明:采用元胞自动机与FLAC^(3D)软件相结合的分析方法,能较好模拟排土场的粒径分级现状,得出粒径分级情况下,可能滑动面位置上移,安全系数增加,有利于排土场稳定性的结论。
Considering that the apparently particle size grading at dumping site with super-high single step, taking a dumping site in Gongchangling as an example, the cellular automaton model was used to simulate particle size distribution. The dumping slope model of considering super-high single step was built by FLAC3D. Comparative analysis was carried out on the homogene- ous slope and slope stability considering particle size grading. The results showed that the analysis method combining the cellu- lar automatOn model with FLAC3D software could simulate the particle size grading of dumping site appropriately. Under the condition of particle size grading, it was possible that sliding surfaces moved up and the safety factor increased, which was ben- efited to the stability of the dumping site.
出处
《矿业研究与开发》
CAS
北大核心
2017年第2期78-82,共5页
Mining Research and Development
关键词
超高排土场
散体粒径分级
元胞自动机
边坡稳定
性分析
Super-high dumping site, Granular particle size grading, Cellular automaton, Slope stability analysis
