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基于数值差分法的边坡可靠度分析模型

, PP. 33-38

Keywords: 道路工程,边坡可靠度,数值差分,验算点方法,Janbu模式

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Abstract:

通过研究Janbu模式边坡稳定的力学分析过程和特点,归纳了其安全系数的计算流程,指出了Janbu模式下边坡稳定可靠度计算存在的问题.由此引入差分法,依据复合函数求导原理,推导了采用验算点方法求解Janbu模式下边坡稳定可靠度过程中各项偏导数的计算公式和可靠度指标的线性逼近循环迭代方法,并研发了一种基于数值差分的极限平衡模式下的新型可靠度近似计算方法.最后对某公路边坡的稳定可靠度进行分析,并与响应面法及蒙特卡洛法结果进行了对比.研究表明所提出的方法简便、精度,能满足工程要求,具有较好的工程实用价值.

References

[1]  苏永华,赵明华,蒋德松,等.响应面方法在边坡稳定可靠度分析中的应用[J].岩石力学与工程学报,2006,25(7):1417-1424.SU Yonghua,ZHAO Minghua,JIANG Desong,et al.Application of Response Surface Method to ReliabilityAnalysis of Slope Stability [J].Chinese Journal of RockMechanics and Engineering,2006,25(7):1417-1424.
[2]  张小庆,康海贵,王复明.求解隐式功能函数可靠度的一种新方法[J].大连理工大学学报,2003,43(5):650-653.ZHANG Xiaoqing,KANG Haigui,WANG Fuming.ANew Method for Reliability Problem without ExplicitPerformance Function [J].Journal of Dalian University of Technology,2003,43(5):650-653.
[3]  苏永华,方祖烈,高谦.用响应面方法分析特殊地下岩体空间的可靠性[J].岩石力学与工程学报,2000,19(1):55-58.SU Yonghua,FANG Zulie,GAO Qian.ReliabilityAnalysis on Special Underground Rockmass Space byResponse Surface Method [J].Chinese Journal of Rock Mechanics and Engineering,2000,19(1):55-58.
[4]  刘宁.可靠度随机有限元法及其工程应用[M].北京:中国水利水电出版社,2001.LIU Ning.Stochastic Finite Element of Reliability Degreeand Its Application [M].Beijing:China Water PowerPress,2001.
[5]  杨子政,吕震宙,王燕萍.真实随机环境中大型结构的强度可靠性分析方法[J].计算力学学报,2005,22(3):370-373.YANG Zizheng,L Zhenzhou,WANG Yanping.StrengthReliability Method for Large Scale Structure in RealRandom Environment[J].Chinese Journal ofComputational Mechanics,2005,22(3):370-373.
[6]  桂劲松,康海贵.结构可靠度分析的响应面法及其Matlab实现[J].计算力学学报,2004,21(6):683 -687.GUI Jinsong,KANG Haigui.Response Surface Method forStructural Reliability Analysis and Its Realization withMatlab
[7]  [ J ].Chinese Journal of ComputationalMechanics,2004,21(6):683-687.
[8]  贡金鑫,仲伟秋,赵国藩.结构可靠指标的通用计算方法[J].计算力学学报,2003,20(1):12-18.GONG Jinxin,ZHONG Weiqiu,ZHAO Guofan.AGeneral Approach for Computing Structural Reliability Index [J].Chinese Journal of Computational Mechanics,2003,20(1):12-18.
[9]  苏永华,孙晓明,颜永国.基于极限平衡的边坡稳定概率显式功能函数逐步修正求解[J].工程力学,2009,26(3):15-20.SU Yonghua,SUN Xiaoming,YAN Yongguo.StepwiseRevises Solution of Slope Stability Probability by Approximative Explicit Functional Function Based on LimitEquilibrium Method [J].Engineering Mechanics,2009,26(3):15-20.
[10]  苏永华,赵明华,李志勇,等.基于虚拟试验的边坡失稳概率分析方法[J].中国公路学报,2008,21(6):14-19.SU Yonghua,ZHAO Minghua,LI Zhiyong,et al.Instability Probability Analysis Method of Slope Based onDummy Test [J].China Journal of Highway andTransport,2008,21(6):14-19.
[11]  ALONSO E E.Risk Analysis of Slopes and Its Applicationto Slopes in Canadian Sensitive Clays [J].Geotechnique,1976,26(3):453-472.
[12]  苏永华,赵明华,张月英,等.利用差分法计算基于Spencer 分析模式的边坡稳定可靠度[J].岩石力学与工程学报,2006,25(增1):2751-2756.SU Yonghua,ZHAO Minghua,ZHANG Yueying, et al.Reliability of Slope Stability Based on Spencer Analytical Pattern by Difference Method [J].Chinese Journal of Rock Mechanics Engineering,2006,25(S1):2751 -2756.
[13]  蒋友宝,冯健,孟少平.极限状态响应面法分析结构可靠度的研究[J].公路交通科技,2006,23(11):52-55.JIANG Youbao,FENG Jian,MENG Shaoping.Researchon Analysis of Structural Reliability Based on Limit StateResponse Surface Method [J].Journal of Highway andTransportation Research and Development,2006,23(11):52-55.
[14]  张峰,吕震宙.可靠性灵敏度分析的自适应重要抽样法[J].工程力学, 2008,25(4):80-84.ZHANG Feng,L Zhenzhou.An Adaptive ImportanceSampling Method for Estimation of Reliability Sensitivity[J].Engineering Mechanics,2008,25(4):80-84.
[15]  肖玲梅,于涛,余红星,等.自适应蒙特卡罗方法计算海水淡化堆非能动系统物理过程失效概率[J].核动力工程,2010,31 (1):61-64.XIAO Lingmei,YU Tao,YU Hongxing,et al.Calculationof Physical Process Failure Probability of Passive Systemsin NDR by Adaptive Monte Carlo Method [J].NuclearPower Engineering,2010,31(1):61-64.

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