基于露天边坡力学参数的位移反分析研究
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摘要
针对黑岱沟露天煤矿岩土体物理力学性质复杂,节理、裂隙高度发育,岩体完整性较差,边坡力学参数难以确定的问题,基于现有的监测数据,确定出反演参数的范围,通过正交试验法建立样本数据,采用有限差分软件FLAC3D建立边坡模型,计算模拟位移值,将模拟数值与实测位移值进行比对,确定出目标反演参数的最优组合,将反演数据反馈于FLAC3D边坡模型中,通过正演分析,证明位移反分析法在边坡工程的可行性,为该矿参数的获取以及施工的进行提供预测与指导。
Aiming at the problems of complex physical and mechanical properties of rock and soil,highly developed joints and fractures,poor integrity of rock mass and indeterminate mechanical parameters of slope in Heidaigou Open-pit Mine,the range of inversion parameters was determined based on the existing monitoring data,the sample data was established by orthogonal test method,and the slope model was established by using finite differential software FLAC3D and using the slope model the simulated displacement value was calculated.By comparing the simulated value with the measured displacement value,the optimal combination of target inversion parameters was determined.The data will be fed back into the FLAC3D slope model,through forward analysis,proving the feasibility of displacement back analysis in slope engineering,which provided prediction and guidance for coal mine parameters acquisition and construction.
Aiming at the problems of complex physical and mechanical properties of rock and soil,highly developed joints and fractures,poor integrity of rock mass and indeterminate mechanical parameters of slope in Heidaigou Open-pit Mine,the range of inversion parameters was determined based on the existing monitoring data,the sample data was established by orthogonal test method,and the slope model was established by using finite differential software FLAC3D and using the slope model the simulated displacement value was calculated.By comparing the simulated value with the measured displacement value,the optimal combination of target inversion parameters was determined.The data will be fed back into the FLAC3D slope model,through forward analysis,proving the feasibility of displacement back analysis in slope engineering,which provided prediction and guidance for coal mine parameters acquisition and construction.
引文
[1]沈永飞.边坡位移反分析及其工程应用研究[D].重庆大学,2010
[2]谢良,支学艺,郭钟群等.基于位移反分析的岩质边坡稳定性分析[J].有色金属科学与工程,2011(5)
[3]周亮.基于位移反分析的露天边坡稳定性评价[J].矿冶工程,2012(5)
[4]张勇慧,盛谦,冷先伦等.龙滩水电站左岸边坡二维位移反分析[J].岩土力学,2010(S2)
[5]徐文文.基于位移反分析的边坡稳定性研究[D].武汉理工大学,2014
[6]曾艳铭,陈颖辉,张端阳等.多参数位移反分析方法在边坡中的应用[J].中国水运(下半月),2018(7)
[7]漆祖芳,姜清辉,周创兵等.基于v-SVR和MVPSO算法的边坡位移反分析方法及其应用[J].岩石力学与工程学报,2013(6)
[2]谢良,支学艺,郭钟群等.基于位移反分析的岩质边坡稳定性分析[J].有色金属科学与工程,2011(5)
[3]周亮.基于位移反分析的露天边坡稳定性评价[J].矿冶工程,2012(5)
[4]张勇慧,盛谦,冷先伦等.龙滩水电站左岸边坡二维位移反分析[J].岩土力学,2010(S2)
[5]徐文文.基于位移反分析的边坡稳定性研究[D].武汉理工大学,2014
[6]曾艳铭,陈颖辉,张端阳等.多参数位移反分析方法在边坡中的应用[J].中国水运(下半月),2018(7)
[7]漆祖芳,姜清辉,周创兵等.基于v-SVR和MVPSO算法的边坡位移反分析方法及其应用[J].岩石力学与工程学报,2013(6)