基于粒子群优化算法的边坡稳定性计算
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摘要
为了简化边坡稳定性的计算过程,提高计算精度,根据极限平衡原理推导出了简化Bishop法边坡稳定系数计算公式,给出了简化Bishop法的求解思路,分析了粒子群优化算法的基本原理,提出了基于粒子群优化算法的边坡最危险滑动面搜索方法。边坡实例分析表明:粒子群优化算法的计算结果与其他方法的计算结果十分接近,粒子群优化算法能够准确、高效地计算边坡稳定系数。
In order to simplify the calculation process of slope stability,improve the calculation accuracy,the formula for calculating slope stability coefficient by simplified Bishop method is deduced according to the limit equilibrium principle,the solving approach for simplified Bishop method was given,the basic principle for particle swarm optimization algorithm(PSO)was analyzed,and the searching method for the most dangerous sliding surface based on PSO was put forward.The slope example analysis shows that the results of the particle swarm optimization algorithm are very close to those of other methods,and the particle swarm optimization algorithm can calculate the slope stability coefficient accurately and efficiently.
In order to simplify the calculation process of slope stability,improve the calculation accuracy,the formula for calculating slope stability coefficient by simplified Bishop method is deduced according to the limit equilibrium principle,the solving approach for simplified Bishop method was given,the basic principle for particle swarm optimization algorithm(PSO)was analyzed,and the searching method for the most dangerous sliding surface based on PSO was put forward.The slope example analysis shows that the results of the particle swarm optimization algorithm are very close to those of other methods,and the particle swarm optimization algorithm can calculate the slope stability coefficient accurately and efficiently.
引文
[1]陈祖煜.土质边坡稳定性分析——原理、方法、程序[M].北京:中国水利水电出版社,2003.
[2]张天文,才庆祥,李鹏越,等.极限平衡与有限元法用于边坡稳定性分析的对比[J].化工矿物与加工,2016,45(7):46-48.
[3]陈爽,李新鹏,韩流,等.基于CAD二次开发的边坡稳定性分析程序研究[J].化工矿物与加工,2017,46(8):41-44.
[4]蒋斌松,康伟.边坡稳定性中BISHOP法的解析计算[J].中国矿业大学学报,2008,37(3):287-290.
[5]曾维国,车兆学,李旭,等.基于Bishop法的露天矿边坡稳定分析与实现[J].采矿与安全工程学报,2012,29(2):265-270.
[6]曹平,张科,汪亦显,等.复杂边坡滑动面确定的联合搜索法[J].岩石力学与工程学报,2010,29(4):814-821.
[7]肖双双.抛掷爆破-拉斗铲倒堆工艺参数优化理论研究[D].徐州:中国矿业大学,2016.
[8]LI liang,YU Guangming,CHEN Zuyu,et al.Discontinuous flying particle swarm optimization algorithm and its application to slope stability analysis[J].Journal of Central South University of Technology,2010,17(4):852-856.
[9]Xiao S,Li K,Ding X,et al.Numerical calculation on stability of circular slip slopes[J].Electronic Journal of Geotechnical Engineering,2014,19:733-747.
[2]张天文,才庆祥,李鹏越,等.极限平衡与有限元法用于边坡稳定性分析的对比[J].化工矿物与加工,2016,45(7):46-48.
[3]陈爽,李新鹏,韩流,等.基于CAD二次开发的边坡稳定性分析程序研究[J].化工矿物与加工,2017,46(8):41-44.
[4]蒋斌松,康伟.边坡稳定性中BISHOP法的解析计算[J].中国矿业大学学报,2008,37(3):287-290.
[5]曾维国,车兆学,李旭,等.基于Bishop法的露天矿边坡稳定分析与实现[J].采矿与安全工程学报,2012,29(2):265-270.
[6]曹平,张科,汪亦显,等.复杂边坡滑动面确定的联合搜索法[J].岩石力学与工程学报,2010,29(4):814-821.
[7]肖双双.抛掷爆破-拉斗铲倒堆工艺参数优化理论研究[D].徐州:中国矿业大学,2016.
[8]LI liang,YU Guangming,CHEN Zuyu,et al.Discontinuous flying particle swarm optimization algorithm and its application to slope stability analysis[J].Journal of Central South University of Technology,2010,17(4):852-856.
[9]Xiao S,Li K,Ding X,et al.Numerical calculation on stability of circular slip slopes[J].Electronic Journal of Geotechnical Engineering,2014,19:733-747.