摘 要:在非圆临界滑动面的搜索中,先进行圆弧滑动面的搜索,将得到的临界圆弧滑动面作为非圆临界滑动面搜索的初始滑动面,采用改进粒子群优化算法--快速粒子群算法寻优;然后根据搜索到的较优值缩减搜索域的范围,再利用改进和声搜索算法寻优,将得到的结果作为问题的最优解。最后采用Spencer法计算滑动面的安全系数,并利用2个复杂土坡作为算例来检验混合方法的有效性。比较结果表明:该方法适用于多变量优化问题的求解。
关键词:道路工程;边坡稳定;混合搜索方法;安全系数;粒子群优化算法;和声搜索算法
分类号:U416.14 文献标识码:A
文章编号:1001-7372(2007)06-0001-06
Mixed Search Algorithm of Non-circular Critical Slip Surface of Soil Slop
LI Liang CHI Shi-chun ZHENG Rong-ming LIN Gao CHU Xue-song
基金项目:国家自然科学基金重点项目(50639060)
作者简介:李亮(1977-),男,山东济南人,讲师,工学博士,E-mail:liangli14@yahoo.com.cn.
作者单位:李亮(大连理工大学,海岸与近海工程国家重点实验室,辽宁,大连,116023)
迟世春(大连理工大学,海岸与近海工程国家重点实验室,辽宁,大连,116023)
郑榕明(香港理工大学,土木及结构工程学系,香港)
林皋(大连理工大学,海岸与近海工程国家重点实验室,辽宁,大连,116023)
褚雪松(大连理工大学,海岸与近海工程国家重点实验室,辽宁,大连,116023)
参考文献:
[1]李守巨,刘迎曦,何翔,等.基于模拟退火算法的边坡最小安全系数全局搜索方法[J].岩石力学与工程学报,2003,22(2):236-240.LI Shou-ju,LIU Ying-xi,HE Xiang,et al.Global Search Algorithm of Minimum Safety Factor for Slope Stability Analysis Based on Annealing Simulation[J].Chinese Journal of Rock Mechanics and Engineering,2003,22(2):236-240.
[2]肖专文,张奇志,顾兆岑,等.边坡最小安全系数的遗传算法[J].沈阳建筑工程学院学报,1996,12(2):144-147.XIAO Zhuan-wen,ZHANG Qi-zhi,GU Zhao-cen,et al.Genetic Algorithm of the Minimum Safety Factor for Slopes[J].Journal of Shenyang Architectural and Civil Engineering Institute,1996,12 (2):144-147.
[3]王文生,谢永利,梁军林.膨胀土路堑边坡的破坏型式和稳定性[J].长安大学学报:自然科学版,2005,25(1):20-24.WANG Wen-sheng,XIE Yong-li,LIANG Jun-lin.Classification of Expansive Clay Slope on Road Cutting[J].Journal of Chang’an University:Natural Science Edition,2005,25(1):20-24.
[4]包惠明,胡长顺.基于ANN下的岩质路堑深边坡稳定性评价[J].交通运输工程学报,2002,2(3):52-56.BAO Hui-ming,HU Chang-shun.Stability Evaluation of Depth Cutting Slope in Rock Mass Based on Artificial Neural Network[J].Journal of Traffic and Transportation Engineering,2002,2(3):52-56.
[5]陈昌富,龚晓南,王贻荪.自适应蚁群算法及其在边坡工程中的应用[J].浙江大学学报:工学版,2003,37(5):566-569.CHEN Chang-fu,GONG Xiao-nan,WANG Yi-sun.Adaptive Colony Algorithm and Its Application to the Slope Engineering[J].Journal of Zhejiang University:Engineering Science,2003,37 (5):566-569.
[6]王成华,夏绪勇,李广信.基于应力场的土坡临界滑动面的蚂蚁算法搜索技术[J].岩石力学与工程学报,2003,22(5):813-819.WANG Cheng-hua,XIA Xu-yong,LI Guang-xin.Ant Algorithm in Search of the Critical Slip Surface in Soil Slopes Based on Stress Fields[J].Chinese Journal of Rock Mechanics and Engineering,2003,22 (5):813-819.
[7]王成华,夏绪勇,李广信.基于应力场的土坡临界滑动面的遗传算法搜索[J].清华大学学报:自然科学版,2004,44(3):425-428.WANG Cheng-hua,XIA Xu-yong,LI Guang-xin.Genetic Algorithm for Searching for Critical Slip Surface in Soil Slopes Based on Stress Field[J].Journal of Tsinghua University:Science and Technology,2004,44(3):425-428.
[8]ARAI K,TAGYO K.Determination of Noncircular Slip Surface Giving the Minimum Factor of Safety in Slope Stability Analysis[J].Soils and Foundations,1985,25(1):43-51.
[9]BOLTON H P J,HEYMANN G,GROENWOLD A.Global Search for Critical Failure Surface in Slope Stability Analysis[J].Engineering Optimization,2003,35(1):51-65.
[10]ZOLFAGHARI A R,HEATH A C,MCCOMBIE P F.Simple Genetic Algorithm Search for Critical Noncircular Failure Surface in Slope Stability Analysis[J].Computers and Geotechnics,2005,32 (3):139-152.
[11]李亮,迟世春,林皋.引入和声策略的遗传算法在土坡非圆临界滑动面求解中的应用[J].水利学报,2005,36(8):913-918.LI Liang,CHI Shi-chun,LIN Gao.The Genetic Algorithm Incorporating Harmony Procedure and Its Application to the Search for the Non-circular Critical Slip Surface for Soil Slopes[J].Journal of Hydraulic Engineering,2005,36 (8):913-918.
[12]CHENG Y M.Locations of Critical Failure Surface and Some Further Studies on Slope Stability Analysis[J].Computers and Geotechnics,2003,30 (3):255-267.
[13]KENNEDY J,EBERHART R.Particle Swarm Optimization[C]//IEEE.International Conference on Neural Networks.New Jersey:IEEE,1995:1 942-1 948.
[14]刘大鹏,周建中,杨俊杰.土钉支护结构优化设计中的混合粒子群优化算法[J].中国公路学报,2005,18(4):32-36.LIU Da-peng,ZHOU Jian-zhong,YANG Jun-jie.Hybrid Particle Swarm Optimization Algorithm in Optimization Design of Soil-nail Bracing[J].China Journal of Highway and Transport,2005,18(4):32-36.
[15]李亮,迟世春,郑榕明,等.改进的粒子群算法及其在土坡临界滑动面搜索中的应用[J].防灾减灾工程学报,2007,27(2):153-158.LI Liang,CHI Shi-chun,ZHENG Rong-ming,et al.Modified Particle Swarm Optimization Algorithm and Its Application to the Search for the Critical Slip Surface of Soil Slopes[J].Journal of Disaster Prevention and Mitigation Engineering,2007,27 (2):153-158.
[16]GEEM Z W,KIM J H,LOGANATHAN G V.Harmony Search[J].Simulation,2001,76(2):60-68.
[17]李亮,迟世春,林皋.改进和声搜索算法及其在土坡稳定分析中的应用[J].土木工程学报,2006,39(5):107-111.LI Liang,CHI Shi-chun,LIN Gao.Improved Harmonic Search Algorithm and Its Application to Soil Slope Stability Analysis[J].China Civil Engineering Journal,2006,39(5):107-111.
【文档下载】: 土坡非圆临界滑动面求解的混合搜索方法.pdf
责任编辑:刘雅静 029-85692795 chm@chim.cn
中国公路养护网 |