INSTABILITY MODEL OF VERTICAL LAYER ROCK SLOPE BASED ON THE STATISTICAL CONSTITUTIVE DAMAGE MODEL

LIU Hong-yan; DAN Zengzuoma; LIU Ye; XING Chuang-feng; ZHANG Ji-hong

Volume 19 Issue 2

Jun. 2013

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LIU Hong-yan, DAN Zengzuoma, LIU Ye, et al., 2013. INSTABILITY MODEL OF VERTICAL LAYER ROCK SLOPE BASED ON THE STATISTICAL CONSTITUTIVE DAMAGE MODEL. Journal of Geomechanics, 19 (2): 198-205.

Citation:

LIU Hong-yan, DAN Zengzuoma, LIU Ye, et al., 2013. INSTABILITY MODEL OF VERTICAL LAYER ROCK SLOPE BASED ON THE STATISTICAL CONSTITUTIVE DAMAGE MODEL. Journal of Geomechanics, 19 (2): 198-205.

Citation:

LIU Hong-yan, DAN Zengzuoma, LIU Ye, et al., 2013. INSTABILITY MODEL OF VERTICAL LAYER ROCK SLOPE BASED ON THE STATISTICAL CONSTITUTIVE DAMAGE MODEL. Journal of Geomechanics, 19 (2): 198-205.

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INSTABILITY MODEL OF VERTICAL LAYER ROCK SLOPE BASED ON THE STATISTICAL CONSTITUTIVE DAMAGE MODEL

1.
College of Engineering & Technology, China University of Geoseiences, Beijing 100083, China
2.
School of Engineering, Tibet University, Lhasa 850000, China
3.
School of Geology Engineering and Geomatics, Chang'an University, Xi'an 710064, China
4.
Xi'an Engineering Investigation and Design Research Institute of China National Non-ferrous Metals Industry, Xi'an 710054, China

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Received: 2012-11-06
Published: 2013-06-01

Abstract

Abstract

According to the actual instability mode of the vertical layer rock slope, the instability calculation model and critical height calculation method under self-gravity load for the vertical layer rock slope on the basis of the Euler pressure bar instability failure method are established. Meanwhile, based on the fact that rock has initial damage, the instability model of the vertical layer rock slope based on the statistical damage model is set up, and the calculation results based on the two models above are discussed. The study result shows that the critical height of the vertical layer rock slope calculated by the method proposed in this paper is about 75% that of other researchers, which is more suitable for the actual loading characteristic and failure condition. The instability model of the vertical layer rock slope based on the rock statistical damage constitutive model not only considers the rock mechanical parameters such as elastic modulus, but also combines the characteristic of the stress-strain curve, from which the calculation result is more suitable for the actual condition. It is also found that the change of the calculation parameters m andε₀ has much effect on the calculation results, which indicates that it is very necessary to consider rock damage evolution in the similar problem.
- vertical layer rock slope,
- instability of pressure bar,
- self-gravity load,
- critical height,
- statistical damage model

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References(13)

References

[1]	Cavers D S. Simple methods to analyze bulking of rock slopes[J]. Rock Mechanics, 1981, 14(2):87~104. doi: 10.1007/BF01239857
[2]	孙广忠, 孙毅.岩体力学原理[M].北京:科学出版社, 2011. SUN Guang-zhong, SUN Yi. Principle of rock mass mechanics[M]. Beijing:Science Press, 2011.
[3]	孙强, 朱术云, 薛雷, 等.力矩效应对顺层岩质边坡稳定性的影响[J].煤炭学报, 2011, 33(5):762~765. http://www.cnki.com.cn/Article/CJFDTOTAL-MTXB201105011.htm SUN Qiang, ZHU Shu-yun, XUE Lei, et al. The instability analysis of bedding rock slope based on moment of force[J]. Journal of China Coal Society, 2011, 33(5):762~765. http://www.cnki.com.cn/Article/CJFDTOTAL-MTXB201105011.htm
[4]	林杭, 曹平, 李江腾, 等.层状岩质边坡破坏模式及稳定性的数值分析[J].岩土力学, 2010, 31(10):3300~3304. doi: 10.3969/j.issn.1000-7598.2010.10.043 LIN Hang, CAO Ping, LI Jiang-teng, et al. Numerical analysis of failure modes and stability of stratified rock slopes[J]. Rock and Soil Mechanics, 2010, 31(10):3300~3304. doi: 10.3969/j.issn.1000-7598.2010.10.043
[5]	郭彬彬, 赵卫华, 王红才, 等.千灵山岩质边坡地质雷达探测及稳定性分析[J].地质力学学报, 2013, 19(1):104~112. http://journal.geomech.ac.cn/ch/reader/view_abstract.aspx?flag=1&file_no=20130111&journal_id=dzlxxb GUO Bin-bin, ZHAO Wei-hua, WANG Hong-cai, et al. Geological radar survey and stability analysis of rock slope in Qianling Mountain based on strength reduction FEM[J]. Journal of Geomechanics, 2013, 19(1):104~112. http://journal.geomech.ac.cn/ch/reader/view_abstract.aspx?flag=1&file_no=20130111&journal_id=dzlxxb
[6]	杜宇本, 郑光, 蒋良文, 等.大瑞铁路澜沧江大桥工程边坡稳定性三维数值模拟分析[J].地质力学学报, 2010, 16(1):108~114. http://journal.geomech.ac.cn/ch/reader/view_abstract.aspx?flag=1&file_no=20100113&journal_id=dzlxxb DU Yu-ben, ZHENG Guang, JIANG Liang-wen, et al. 3D numerical simulation of slope stability of Lancangjiang Bridge on Dali-Ruili Railway[J]. Journal of Geomechanics, 2010, 16(1):108~114. http://journal.geomech.ac.cn/ch/reader/view_abstract.aspx?flag=1&file_no=20100113&journal_id=dzlxxb
[7]	陈晓洋, 张宏阳, 冀东, 等.重庆某不稳定斜坡变形监测及稳定性分析[J].地质力学学报, 2011, 17(4):402~409. http://journal.geomech.ac.cn/ch/reader/view_abstract.aspx?flag=1&file_no=20110410&journal_id=dzlxxb CHEN Xiao-yang, ZHANG Hong-yang, JI Dong, et al. Deformation monitoring and stability analysis of an unstable slope in Chongqing City[J]. Journal of Geomechanics, 2011, 17(4):402~409. http://journal.geomech.ac.cn/ch/reader/view_abstract.aspx?flag=1&file_no=20110410&journal_id=dzlxxb
[8]	张天军, 李云鹏.直立顺层边坡的粘弹性稳定性分析[J].力学与实践, 2003, 25(6):51~54. ZHANG Tian-jun, LI Yun-peng. Linear viscoelasticity stability analysis of bluff rock slope[J]. Mechanics in Engineering, 2003, 25(6):51~54.
[9]	肖树芳, 杨淑碧.岩体力学[M].北京:地质出版社, 1987. XIAO Shu-fang, YANG Shu-bi. Rock mass mechanics[M]. Beijing:Geological Publishing House, 1987.
[10]	张平占.BHA受压失稳的模型及临界钻压公式[J].煤田地质与勘探, 1995, 23(5):59~62. http://www.cnki.com.cn/Article/CJFDTOTAL-MDKT505.016.htm ZHANG Ping-zhan. BHA's stability model and its critical load[J]. Coal Geology & Exploration, 1995, 23(5):59~62. http://www.cnki.com.cn/Article/CJFDTOTAL-MDKT505.016.htm
[11]	Wang Z L, Li Y C, Wang J G. A damage-softening statistical constitutive model considering rock residual strength[J]. Computers & Geosciences, 2007, 33(1):1~9. http://www.sciencedirect.com/science/article/pii/S0098300406000380
[12]	Li X, Cao W G, Su Y H. A statistical damage constitutive model for softening behavior of rocks[J]. Engineering Geology, 2012, 143:1~17. https://www.sciencedirect.com/science/article/pii/S0013795212001755
[13]	岳洋.基于不同分布的岩石损伤本构模型的比较[J].山西建筑, 2010, 36(24):137~138. doi: 10.3969/j.issn.1009-6825.2010.24.086 YUE Yang. Comparison of damage constitutive model of rock mass based on different distribution[J]. Shanxi Architecture, 2010, 36(24):137~138. doi: 10.3969/j.issn.1009-6825.2010.24.086