考虑旋转各向异性相关结构的黏土边坡稳定性分析

doi:10.13722/j.cnki.jrme.2017.0044

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Abstract

Currently the studies of slope stability accounting for the spatial variability of soil properties are mainly concentrated on isotropy and transverse isotropy correlation structures. Considering the disadvantage，the influence of the rotated anisotropy correlation structure on clay slope was investigated in this paper. Based on random field theory，the rotated anisotropy random fields of soil parameters are simulated and set up using the covariance matrix decomposition method. Combining with the numerical approach，slope reliability was then explored. The results show that the rotated anisotropy correlation structure has a dual effect on slope stability in comparison to the transverse isotropy case，and the stronger effect for higher anisotropy. The mean of factor of safety obtained by stochastic analysis is less than the deterministic solution. The calculated coefficient of variation of factor of safety is less than that of undrained shear strength of clay. Three types of sliding surfaces are obtained，and the largest proportion occurring is the base sliding which is same as the deterministic results.

Key words： slope engineering slope stability spatial variability rotated anisotropy random field sliding surface

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	Articles by authors
	CHENG Hongzhan1
	2
	CHEN Jian1
	2
	WANG Zhansheng3
	HU Zhifeng1
	2
	HUANG Juehao1
	2

Cite this article:

CHENG Hongzhan1,2,CHEN Jian1, et al. Stability analysis of a clay slope accounting for the rotated anisotropy correlation structure[J]. , 2017, 36(S2): 3965-3973.

URL:

https://rockmech.whrsm.ac.cn/EN/10.13722/j.cnki.jrme.2017.0044 OR https://rockmech.whrsm.ac.cn/EN/Y2017/V36/IS2/3965

[1]	MORGENSTERN N R. Performance in geotechnical practice[J]. HKIE Transactions，2000，7(2)：2-15.
[2]	ALONSO E E. Risk analysis of slopes and its application to slopes in Canadian sensitive clays[J]. Geotechnique，1976，26(3)：453-472.
[3]	ELRAMLY H，MORGENSTERN N R，CRUDEN D M. Probabilistic slope stability analysis for practice[J]. Canadian Geotechnical Journal，2002，39(3)：665-683.
[4]	JAVANKHOSHDEL S，BATHURST R J. Simplified probabilistic slope stability design charts for cohesive and cohesive-frictional(c-f) soils[J]. Canadian Geotechnical Journal，2014，51(9)：1033-1045.
[5]	LI K S，LUMB P. Probabilistic design of slopes[J]. Canadian Geotechnical Journal，1987，24(4)：520-535.
[6]	LOW B K，TANG W H.Efficient reliability evaluation using spreadsheet[J]. American Society of Civil Engineers，1997，123(7)：749-752.
[7]	LOW B K. Reliability analysis of rock slopes involving correlated nonnormals[J]. International Journal of Rock Mechanics andMining Sciences，2007，44(6)：922-935.
[8]	TAMIMI S，AMADEI B，DAN M F. Monte Carlo simulation of rock slope reliability[J]. Computers andStructures，1989，33(6)：1495-1505.
[9]	WONG F S. Slope Reliability and response surface method[J]. Journal of Geotechnical Engineering，1985，111(1)：32-53.
[10]	ZHANG J，HUANG H W，PHOON K K. Application of the kriging-based response surface method to the system reliability of soil slopes[J]. Journal of Geotechnical andGeoenvironmental Engineering，2012，139(4)：651-655.
[11]	HUANG S P，LIANG B，PHOON K K. Geotechnical probabilistic analysis by collocation-based stochastic response surface method：an Excel add-in implementation[J]. Georisk Assessment andManagement of Risk for Engineered Systems andGeohazards，2009，3(2)：75-86.
[12]	LI D，CHEN Y，LU W，et al.Stochastic response surface method for reliability analysis of rock slopes involving correlated non-normal variables[J]. Computers andGeotechnics，2011，38(1)：58-68.
[13]	GRIFFITHS D V，HUANG J S，FENTON G A. Influence of spatial variability on slope reliability using 2-D random fields[J]. Journal of Geotechnical andGeoenvironmental Engineering，2009，135(10)： 1367-1378.
[14]	HICKS M A，SAMY K. Influence of heterogeneity on undrained clay slope stability[J]. Quarterly Journal of Engineering Geology andHydrogeology，2002，35(1)：41-49.
[15]	HICKS M A，NUTTALL J D，CHEN J. Influence of heterogeneity on 3D slope reliability and failure consequence[J]. Computers andGeotechnics，2014，61(3)：198-208.
[16]	李典庆，蒋水华，周创兵，等. 考虑参数空间变异性的边坡可靠度分析非侵入式随机有限元法[J]. 岩土工程学报，2013，35(8)：1413-1422.(LI Dianqing，JIANG Shuihua，ZHOU Chuangbing，et al. Reliability analysis of slopesconsidering spatial variability of soil parameters usingnon-intrusive stochastic finite element method[J]. ChineseJournal of Geotechnical Engineering，2013，35(8)：1413-1422.(in Chinese))
[17]	PHOON K K，KULHAWY F H. Characterization ofgeotechnical variability[J]. Canadian Geotechnical Journal，1999，36(4)：612-624.
[18]	张征，刘淑春，邹正盛，等. 岩土参数的变异性及其评价方法[J]. 土木工程学报，1995，28(6)：43-51.(ZHANG Zheng，LIU Shuchun，ZOU Zhengsheng，et al.The variability and evaluation of parameters of rock andsoil[J]. China Civil Engineering Journal，1995，28(6)：43-51.(in Chinese))
[19]	VANMARCKE E H. Probabilistic Modeling of soil profiles[J]. Journal of the Geotechnical Engineering Division，1977，103(11)：1227- 1246.
[20]	吴振君，王水林，葛修润. 约束随机场下的边坡可靠度随机有限元分析方法[J]. 岩土力学，2009，30(10)：3 086-3092.(WU Zhenjun，WANG Shuilin，GE Xiurun. Slopereliability analysis by random FEM under constraint randomfield[J]. Rock and Soil Mechanics，2009，30(10)：3086-3092.(in Chinese))
[21]	吴振君. 土体参数空间变异性模拟和土坡可靠度分析方法应用研究[博士学位论文][D]. 武汉：中国科学院研究生院，2009.(WU Zhenjun. Study on spatial variability simulation of soil properties and practical reliability analysismethod of soil slope[Ph. D.Thesis][D]. Wuhan：Chinese Academy ofSciences，2009.(in Chinese))
[22]	薛亚东，方超，葛嘉诚. 各向异性随机场下的边坡可靠度分析[J]. 岩土工程学报，2013，35(增2)：77-82.(XUE Yadong，FANG Chao，GE Jiacheng. Slope reliability inanisotropic random fields[J]. Chinese Journal of GeotechnicalEngineering，2013，35(Supp.2)：77-82.(in Chinese))
[23]	ZHU H，ZHANG L M. Characterizing geotechnical anisotropic spatial variations using random field theory[J]. Canadian Geotechnical Journal，2013，50(7)：723-734.
[24]	FENTON G A，GRIFFITHS D V. Risk assessment in geotechnical engineering[M]. [S. l.]：Wiley，2008：104-113.
[25]	谢桂华. 岩土参数随机性分析与边坡稳定可靠度研究[博士学位论文][D]. 长沙：中南大学，2009.(XIE Guihua. Stochastic analysis of geotechnical parameters and study on stable reliability ofslope[Ph. D.Thesis][D]. Changsha：Central South University，2009.(inChinese))
[26]	蒋水华. 水电工程边坡可靠度非侵入式随机分析方法[博士学位论文][D]. 武汉：武汉大学，2014.(JIANG Shuihua. A non-intrusive stochastic method for slope reliability in hydroelectricity engineering[Ph. D.Thesis][D]. Wuhan：WuhanUniversity，2014.(inChinese))
[27]	El KADIA I，WILLIAMSS A. Generating two dimensional fields of autocorrelated，normally distributed parameters by the matrix decomposition technique[J]. Ground Water，2000，38(4)：530-532.
[28]	HICKS M A，SAMY K.Influence of anisotropicspatial variability on slope reliability[C]//Proceedings ofEighth InternationalSymposium on Numerical Models in Geomechanics. Rome：[s. n.]，2002：535-539.
[29]	JAMSHIDI CHENARI R，ALAIE R. Effects of anisotropy in correlation structure on the stability of an undrained clay slope[J]. Georisk：Assessment and Management of Risk for Engineered Systems and Geohazards，2015，9(2)：109-123.
[30]	GAO Y，ZHANG F，LEI G. H，et al. Stability charts for 3Dfailures of homogeneous slopes[J]. Journal of Geotechnical andGeoenvironmentalEngineering，2013，139(9)：1528-1538.
[31]	李典庆，肖特，曹子君，等. 基于高效随机有限元法的边坡风险评估[J]. 岩土力学，2016，37(7)：1 994-2 003.(LI Dianqing，XIAO Te，CAO Zijun，et al. Slope risk assessment usingefficient random finite element method[J]. Rock and SoilMechanics，2016，37(7)： 1 994-2003.(in Chinese))