大型露天终了边坡稳定性分析与加固方案优化

来源期刊:中南大学学报(自然科学版)2015年第5期

论文作者:卢宏建 高永涛

文章页码:1786 - 1799

关键词:露天矿边坡;稳定性分析;加固方案;参数反演;三维数值模拟

Key words:open pit slope; stability analysis; reinforcement scheme; parameters inversion; three-dimensional numerical simulation

摘    要:基于正交试验设计、有限元分析与RBF神经网络理论建立露天边坡岩体力学参数反演模型,形成露天边坡岩体力学参数分析方法;基于MIDAS/GTS大型数值计算平台建立露天边坡三维稳定性分析模型,形成露天边坡稳定性分析方法。选择典型矿山,对露天矿山终了边坡的岩体力学参数和边坡的稳定性进行分析,提出可行的加固方案,并通过数值计算分析与经济效果评价提出合理的加固措施。研究结果表明:该研究方法对类似工程研究有借鉴意义。

Abstract: Based on orthogonal experiment, finite element and RBF neural network theory, the inversion model of the mechanics parameters of surface slope rock mass was established, and the analysis method about mechanics parameters of surface slope rock mass was formed. Due to the creation of surface slope 3D stability analysis model based on the large numerical calculation platform such as MIDAS/GTS, the stability analysis method about surface slope was formed. Based on typical mines, a feasible reinforcement project was put forward after the analysis of final surface slope rock mass mechanics parameters and slope analysis, and feasible reinforcement measures were provided through numerical calculation analysis and economical effect evaluation. The results show that the method provides reference for similar engineering study.

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