RISS 학술연구정보서비스

검색
다국어 입력

http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.

변환된 중국어를 복사하여 사용하시면 됩니다.

예시)
  • 中文 을 입력하시려면 zhongwen을 입력하시고 space를누르시면됩니다.
  • 北京 을 입력하시려면 beijing을 입력하시고 space를 누르시면 됩니다.
닫기
    인기검색어 순위 펼치기

    RISS 인기검색어

      KCI등재 SCOPUS SCIE

      Experimental and numerical study on crack propagation and deformation around underground opening in jointed rock masses

      한글로보기

      https://www.riss.kr/link?id=A104624280

      • 0

        상세조회
      • 0

        다운로드
      서지정보 열기
      • 내보내기
      • 내책장담기
      • 공유하기
      • 오류접수

      부가정보

      다국어 초록 (Multilingual Abstract)

      Understanding the process of crack propagation and deformation around underground openings is a key issue in several engineering fields, such as tunneling, mining, and radioactive waste disposal facilities. Many failures of underground openings are commonly induced by the geological discontinuities of host rock masses, which contain the existing discontinuities and the new cracks generated during the construction of underground structures. In this study, base friction tests were conducted to investigate the influence of dip angle of layered joints on the stability of circular openings in jointed rock masses and a series of numerical simulations utilizing an originally developed code based on distinct element method (DEM) were performed on the experimentbased and extended numerical models, respectively. The results show that the main propagation direction of newly generated cracks is approximately perpendicular to the joint dip angle. For the brittle host rock masses, the deformation around the underground openings is governed by the tensile failure of host rock masses. A decrease in joint dip angle gives rise to an increase of plastic failure zone in the host rock masses. The models with lower joint dip angles could generate a larger number of cracks. The maximum displacement observed at the left shoulder of openings is approximately 1.8–2 times of the minimum displacement at the right side wall of circular opening. The influences of the opening shape on the main propagation direction of newly generated cracks could be negligible. Due to the stress concentration at the sharp corner of square openings, a larger area of plastic zones is developed, which leads to obvious increment of displacements around the underground openings.
      번역하기

      Understanding the process of crack propagation and deformation around underground openings is a key issue in several engineering fields, such as tunneling, mining, and radioactive waste disposal facilities. Many failures of underground openings are co...

      Understanding the process of crack propagation and deformation around underground openings is a key issue in several engineering fields, such as tunneling, mining, and radioactive waste disposal facilities. Many failures of underground openings are commonly induced by the geological discontinuities of host rock masses, which contain the existing discontinuities and the new cracks generated during the construction of underground structures. In this study, base friction tests were conducted to investigate the influence of dip angle of layered joints on the stability of circular openings in jointed rock masses and a series of numerical simulations utilizing an originally developed code based on distinct element method (DEM) were performed on the experimentbased and extended numerical models, respectively. The results show that the main propagation direction of newly generated cracks is approximately perpendicular to the joint dip angle. For the brittle host rock masses, the deformation around the underground openings is governed by the tensile failure of host rock masses. A decrease in joint dip angle gives rise to an increase of plastic failure zone in the host rock masses. The models with lower joint dip angles could generate a larger number of cracks. The maximum displacement observed at the left shoulder of openings is approximately 1.8–2 times of the minimum displacement at the right side wall of circular opening. The influences of the opening shape on the main propagation direction of newly generated cracks could be negligible. Due to the stress concentration at the sharp corner of square openings, a larger area of plastic zones is developed, which leads to obvious increment of displacements around the underground openings.

      더보기

      참고문헌 (Reference)

      1 Jiao, Y. Y., "Two-dimensional DDA contact constitutive model for simulating rock fragmentation" 138 : 199-209, 2012

      2 Timoshenko, S., "Theory of Elasticity" McGraw-Hill 506-, 1951

      3 Bray, J.W., "The theory of base friction models" 18 : 453-468, 1981

      4 Hammah, R. E., "The practical modelling of discontinuous rock masses with finite element analysis" 2008

      5 Hao, Y.H., "The plastic zones and displacements around underground openings in rock masses containing a fault" 20 : 49-61, 2005

      6 Shen, B., "The disturbed zone around tunnels in jointed rock masses" 34 : 117-125, 1997

      7 Lu, J., "Systematic identification of polyhedral rock blocks with arbitrary joints and faults" 29 : 49-72, 2002

      8 Zhu, W. C., "Simulation of progressive fracturing processes around underground excavations under biaxial compression" 20 : 231-247, 2005

      9 Jiang, Y., "Simulation of cracking near a large underground cavern in a discontinuous rock mass using the expanded distinct element method" 46 : 97-106, 2009

      10 Brady, B., "Rock mechanics: for underground mining" Kluvier Academic Publishers 628-, 2004

      1 Jiao, Y. Y., "Two-dimensional DDA contact constitutive model for simulating rock fragmentation" 138 : 199-209, 2012

      2 Timoshenko, S., "Theory of Elasticity" McGraw-Hill 506-, 1951

      3 Bray, J.W., "The theory of base friction models" 18 : 453-468, 1981

      4 Hammah, R. E., "The practical modelling of discontinuous rock masses with finite element analysis" 2008

      5 Hao, Y.H., "The plastic zones and displacements around underground openings in rock masses containing a fault" 20 : 49-61, 2005

      6 Shen, B., "The disturbed zone around tunnels in jointed rock masses" 34 : 117-125, 1997

      7 Lu, J., "Systematic identification of polyhedral rock blocks with arbitrary joints and faults" 29 : 49-72, 2002

      8 Zhu, W. C., "Simulation of progressive fracturing processes around underground excavations under biaxial compression" 20 : 231-247, 2005

      9 Jiang, Y., "Simulation of cracking near a large underground cavern in a discontinuous rock mass using the expanded distinct element method" 46 : 97-106, 2009

      10 Brady, B., "Rock mechanics: for underground mining" Kluvier Academic Publishers 628-, 2004

      11 Kulatilake, P., "Physical and particle flow modeling of jointed rock block behavior under uniaxial loading" 38 : 641-657, 2001

      12 Jia, P., "Numerical study on failure mechanism of tunnel in jointed rock mass" 23 : 500-507, 2008

      13 Tang, C. A., "Numerical studies of the influence of microstructure on rock failure in uniaxial compression – part II: constraint, slenderness and size effect" 37 : 571-583, 2000

      14 Tang, C. A., "Numerical studies of the influence of microstructure on rock failure in uniaxial compression – part I: effect of heterogeneity" 37 : 555-569, 2000

      15 Tang, C. A., "Numerical simulation of progressive rock failure and associated seismicity" 34 : 249-261, 1997

      16 Cundall, P.A., "Numerical modelling of discontinua" 9 : 101-113, 1992

      17 Jing, L., "Numerical methods in rock mechanics" 39 : 409-427, 2002

      18 Wang, S. H., "Modeling the effects of heterogeneity and anisotropy on the excavation damaged/disturbed zone (EDZ)" 42 : 229-258, 2009

      19 Jiang, Y., "Influence of geometrical distribution of rock joints on deformational behavior of underground opening" 21 : 485-491, 2006

      20 González-Palacio, C., "Identification of non-pyramidal key blocks in jointed rock masses for tunnel excavation" 32 : 179-200, 2005

      21 Solak, T., "Ground behavior evaluation for tunnels in blocky rock masses" 24 : 323-330, 2009

      22 Cai, M., "Generalized crack initiation and crack damage stress thresholds of brittle rock masses near underground excavations" 41 : 833-847, 2004

      23 Lisjak, A., "Fracture development around deep underground excavations: Insights from FDEM modelling" 6 : 493-505, 2014

      24 Yong Li, "Experimental and numerical investigations on the shear behavior of a jointed rock mass" 한국지질과학협의회 20 (20): 371-379, 2016

      25 Sagong, M., "Experimental and numerical analyses of an opening in a jointed rock mass under biaxial compression" 48 : 1055-1067, 2011

      26 Martino, J.B., "Excavation-induced damage studies at the underground research laboratory" 41 : 1413-1426, 2004

      27 Kulatilake, P. H. S. W., "Effect of finite-size joints on the deformability of jointed rock in 3-dimensions" 30 : 479-501, 1993

      28 Chappell, B. A., "Deformational response in discontinua" 16 : 377-390, 1979

      29 Dershowitz, W.S., "Characterizing rock joint geometry with joint system models" 21 : 21-51, 1988

      30 Goodman, E.R., "Block theory application to rock engineering" Prentice-Hall 338-, 1985

      31 Jiang, Y., "Behaviour and support design of large underground opening in discontinuous rock masses" 117 : 639-644, 2001

      32 Jiao, Y. Y., "A two-dimensional coupled hydromechanical discontinuum model for simulating rock hydraulic fracturing" 39 : 457-481, 2015

      33 Cai, M., "A tensile model for the interpretation of microseismic events near underground openings" 153 : 67-92, 1998

      34 Tang, C. A., "A new approach to numerical method of modelling geological processes and rock engineering problems – continuum to discontinuum and linearity to nonlinearity" 49 : 207-214, 1998

      더보기

      분석정보

      View

      상세정보조회

      0

      Usage

      원문다운로드

      0

      대출신청

      0

      복사신청

      0

      EDDS신청

      0

      동일 주제 내 활용도 TOP

      더보기

      주제

      연도별 연구동향

      연도별 활용동향

      연관논문

      연구자 네트워크맵

      공동연구자 (7)

      유사연구자 (20) 활용도상위20명

      인용정보 인용지수 설명보기

      학술지 이력

      학술지 이력
      연월일 이력구분 이력상세 등재구분
      2023 평가예정 해외DB학술지평가 신청대상 (해외등재 학술지 평가)
      2020-01-01 평가 등재학술지 유지 (해외등재 학술지 평가) KCI등재
      2010-01-01 평가 등재학술지 유지 (등재유지) KCI등재
      2008-01-01 평가 등재학술지 유지 (등재유지) KCI등재
      2006-01-01 평가 등재학술지 유지 (등재유지) KCI등재
      2003-01-01 평가 등재학술지 선정 (등재후보2차) KCI등재
      2002-01-01 평가 등재후보 1차 PASS (등재후보1차) KCI등재후보
      2000-07-01 평가 등재후보학술지 선정 (신규평가) KCI등재후보
      더보기

      학술지 인용정보

      학술지 인용정보
      기준연도 WOS-KCI 통합IF(2년) KCIF(2년) KCIF(3년)
      2016 0.98 0.27 0.74
      KCIF(4년) KCIF(5년) 중심성지수(3년) 즉시성지수
      0.68 0.59 0.424 0.15
      더보기

      이 자료와 함께 이용한 RISS 자료

      나만을 위한 추천자료

      해외이동버튼