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Volume 55 Issue 4
Jul.  2020
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Article Contents
Journal of Southwest Jiaotong University  > 2020  >  55(4): 719-725, 732.
WANG Jun, LIN Guojin, TANG Xie, XU Guowen, TANG Rui. Failure Characteristics and Engineering Application of Layered Rock with Two Pre-existing Non-coplanar Fissures[J]. Journal of Southwest Jiaotong University, 2020, 55(4): 719-725, 732. doi: 10.3969/j.issn.0258-2724.20180044
Citation: WANG Jun, LIN Guojin, TANG Xie, XU Guowen, TANG Rui. Failure Characteristics and Engineering Application of Layered Rock with Two Pre-existing Non-coplanar Fissures[J]. Journal of Southwest Jiaotong University, 2020, 55(4): 719-725, 732. doi: 10.3969/j.issn.0258-2724.20180044
shu

Failure Characteristics and Engineering Application of Layered Rock with Two Pre-existing Non-coplanar Fissures

doi: 10.3969/j.issn.0258-2724.20180044
  • Received Date: 16 Jan 2018
  • Rev Recd Date: 31 Aug 2018
    • Available Online: 10 Jan 2019
  • Publish Date: 01 Aug 2020
    Abstract
  • In order to study the failure mechanism of layered rock with pre-existing cracks, a numerical model which is based on particle discrete element method and can reflect the anisotropic characteristics of rock is built. The initiation and propagation of micro-cracks in anisotropic rock with two pre-existing non-coplanar fissures under uniaxial compression tests are analyzed. Furthermore, the failure process of surrounding rock after tunnel excavation is also obtained. Results shows that, the compressive strength of specimens with pre-existing fissures is smaller than that of intact rock, while the curve of relationship between strength and inclination angles is still ‘U’ shaped. The failure patterns are controlled by inclination angle of bedding plane (β) and inclination angle of fissures (α). For β < α, failure is controlled by fissures; for β > α, failure is controlled by both fissures and bedding planes or bedding planes. Failure patterns of surrounding rock is also related to β and α, while the damage zone is concentrated in certain regions around the tunnel in the direction normal to layers in all cases.

     

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  • 刘怀忠,谢红强,何江达,等. 石英云母片岩各向异性蠕变特性试验研究[J]. 西南交通大学学报,2015,50(4): 656-661. doi: 10.3969/j.issn.0258-2724.2015.04.013

    LIU Huaizhong, XIE Hongqiang, HE Jiangda, et al. Experimental investigation on anisotropic creep characteristics of quartz mica schist[J]. Journal of Southwest Jiaotong University, 2015, 50(4): 656-661. doi: 10.3969/j.issn.0258-2724.2015.04.013
    AMADEI B. Importance of anisotropy when estimating and measuring insitu stresses in rock[J]. International Journal of Rock Mechanics and Mining Science & Geomechanical Abstract, 1996, 33(3): 293-325.
    BROWN E T, GREEN S J, SINHA K P. The influence of rock anisotropy on hole deviation in rotary drilling-a review[J]. International Journal of Rock Mechanics and Mining Science & Geomechanical Abstract, 1981, 18: 387-401.
    GONG Q M, ZHAO J, JIAO Y Y. Numerical modeling of the effects of joint orientation on rock fragmentation by TBM cutters[J]. Tunneling and Underground Space Technology, 2005, 20(2): 183-91. doi: 10.1016/j.tust.2004.08.006
    徐国文,何川,汪 耀,等. 层状软岩隧道围岩破坏的连续-离散耦合分析[J]. 西南交通大学学报,2018,53(5): 966-973.

    XU Guowen, HE Chuan, WANG Yao. et al. Failure analysis on surrounding rock of soft-layered rock tunnel using coupled continuum-discrete model[J]. Journal of Southwest Jiaotong University, 2018, 53(5): 966-973.
    代树红,王召,马胜利,等. 裂纹在层状岩石中扩展特征的研究[J]. 煤炭学报,2014,39(2): 315-321.

    DAI Shuhong, WANG Zhao, MA Shengli, et al. Study on characteristics of crack propagation in stratified rock[J]. Journal of China Coal Society, 2014, 39(2): 315-321.
    陈天宇,冯夏庭,张希巍,等. 黑色页岩力学特性及各向异性特性试验研究[J]. 岩石力学与工程学报,2014,33(9): 1772-1779.

    CHEN Tianyu, FENG Xiating, ZHANG Xiwei, et al. Experimental study on mechanical and anisotropic properties of black shale[J]. Chinese Journal of Rock Mechanics and Engineering, 2014, 33(9): 1772-1779.
    衡帅,杨春和,张保平,等. 页岩各向异性特征的试验研究[J]. 岩土力学,2015,36(3): 609-616.

    HENG Shuai, YANG Chunhe, ZHANG Baoping, et al. Experimental research on anisotropic properties of sh-ale[J]. Rock and Soil Mechanics, 2015, 36(3): 609-616.
    刘胜利,陈善雄,余飞,等. 绿泥石片岩各向异性特性研究[J]. 岩土力学,2012,33(12): 3616-3623.

    LIU Shengli, CHEN Shanxiong, YU Fei, et al. Anisotropic properties study of chlorite schist[J]. Rock and Soil Mechanics, 2012, 33(12): 3616-3623.
    NASSERI M H B, RAO K S, RAMAMURTHY T. Anisotropic strength and deformational behavior of Himalayan schists[J]. International Journal of Rock Mechanics and Mining Sciences, 2003, 40(1): 3-23. doi: 10.1016/S1365-1609(02)00103-X
    杨圣奇,黄彦华,温森. 高温后非共面双裂隙红砂岩力学特性试验研究[J]. 岩石力学与工程学报,2015,34(3): 440-451.

    YANG Shengqi, HUANG Yanhua, WEN Sen. Experimental study of mechanical behavior of red sandstone with two non-coplanar fissures after high temperature heating[J]. Chinese Journal of Rock Mechanics and Engineering, 2015, 34(3): 440-451.
    LEE H, JEON S. An experimental and numerical study of fracture coalescence in pre-cracked specimens under uniaxial compression[J]. International Journal of Solids and Structures, 2011, 48(6): 979-999. doi: 10.1016/j.ijsolstr.2010.12.001
    WONG R H C, TANG C A, CHAU K T, et al. Splitting failure in brittle rocks containing pre-existing flaws under uniaxial compression[J]. Engineering Fracture Mechanics, 2002, 69(17): 1853-1871. doi: 10.1016/S0013-7944(02)00065-6
    ZHANG X P, WONG L N Y. Crack initiation,propagation and coalescence in rock-like material containing two flaws:a numerical study based on bonded-particle model approach[J]. Rock Mechanics and Rock Engineering, 2013, 46(5): 1001-1021. doi: 10.1007/s00603-012-0323-1
    蒋明镜,陈贺,张宁,等. 含双裂隙岩石裂纹演化机理的离散元数值分析[J]. 岩土力学,2014,35(11): 3259-3268.

    JIANG Mingjing, CHEN He, ZHANG Ning, et al. Distinct element numerical analysis of crack evolution in rocks containing pre-existing double flaw[J]. Rock and Soil Mechanics, 2014, 35(11): 3259-3268.
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