| 露天矿土-岩复合边坡形态优化及失稳机理研究 |
| |
| 引用本文： | 陈鹏,周志伟,曹兰柱.露天矿土-岩复合边坡形态优化及失稳机理研究[J].世界科技研究与发展,2013(6):690-693,708. |
| |
| 作者姓名： | 陈鹏 周志伟 曹兰柱 |
| |
| 作者单位： | 辽宁工程技术大学矿业学院,阜新123000 |
| |
| 基金项目： | 国家自然科学基金（51104084,51004103）,辽宁省重点实验室项目（LS2010CR75）资助 |
| |
| 摘 要： | 针对露天矿土-岩复合边坡构成及失稳破坏模式的复杂多样性，以依兰露天矿为研究背景，应用极限平衡分析法和强度折减法分别对采场、排土场及二者构成的土-岩复合边坡稳定性进行了分析，优化边坡最终形态，研究其滑坡模式与机制。结果表明：当采场边坡角41°，与排土场相距80m时，复合边坡达最优形态，边坡破坏模式为在自重力作用下，坡面向外蠕变引发的圆弧滑动；极限平衡法简单、可靠，其与强度折减法相结合可弥补各自的不足，结果可靠，便于复合边坡的优化设计。
|
| 关 键 词： | 复合边坡 刚体极限平衡法 数值模拟 优化设计 失稳机理 |
Optimal Design and Failure Mechanism of Soil-rock Composite Slope of Open-pit Mine |
| |
| CHEN Peng,ZHOU Zhiwei,CAO Lanzhu.Optimal Design and Failure Mechanism of Soil-rock Composite Slope of Open-pit Mine[J].World Sci-tech R & D,2013(6):690-693,708. |
| |
| Authors: | CHEN Peng ZHOU Zhiwei CAO Lanzhu |
| |
| Institution: | ( College of Mine, Liaoning Technical University, Fuxin 123000) |
| |
| Abstract: | Considering the variable constitution and failure mode of soil-rock composite slope, based on the strength reduction method and the limit equilibrium theory, a case study of Yilan open-pit mine is carried out, in which the stability of dump slope, stope slope and composite slope are analysed separately. Then the form of slope is opiimized;with its failure mode and mechanism studied. The result indicates that when angle of stope slope is 41 ~ and distance from dump to stope is 80m, composite slope is in its optimal form;failure mode is circular sliding;the combination of strength reduction method and the limit equilibrium theory to optimize form of slope is reliable and accurate. |
| |
| Keywords: | composite slope rigid limit equilibrium method numerical simulation optimal design failure mechanism |
| 本文献已被 维普 等数据库收录！ |
