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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 국제구조공학회 Structural Engineering and Mechanics, An Int'l Journal Structural Engineering and Mechanics, An Int'l Journal Vol.74 No.2
- 발행연도
- 2020.1
- 수록면
- 283 - 296 (14page)
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초록· 키워드
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The coupled hydro-mechanical loading conditions commonly occur in the geothermal and petroleum engineering projects, which is significantly important influence on the stability of rock masses. In this article, the influence of flaw inclination angle of fracture behaviors in rock-like materials subjected to both mechanical loads and internal hydraulic pressures is experimentally studied using the 3-D X-ray computed tomography combined with 3-D reconstruction techniques. Triaxial compression experiments under confining pressure of 8.0 MPa are first conducted for intact rock-like specimens using a rock mechanics testing system. Four pre-flawed rock-like specimens containing a single open flaw with different inclination angle under the coupled hydro-mechanical loading conditions are carried out. Then, the broken pre-flawed rock-like specimens are analyzed using a 3-D X-ray computed tomography (CT) scanning system. Subsequently, the internal damage behaviors of failed pre-flawed rock-like specimens are evaluated by the 3-D reconstruction techniques, according to the horizontal and vertical cross-sectional CT images. The present experimental does not only focus on the mechanical responses, but also pays attentions to the internal fracture characteristics of rock-like materials under the coupled hydro-mechanical loading conditions. The conclusion remarks are significant for predicting the rock instability in geothermal and unconventional petroleum engineering.
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참고문헌 (62)
참고문헌 신청
Bobet, A. / 1998 / Fracture coalescence in rock-type material under uniaxial and biaxial compression / Int. J. Rock Mech. Min. Sci 35(7):863~888
Christe, P. / 2011 / An X-ray computed tomography-based index to characterize the quality of cataclastic carbonate rock samples / Eng. Geol 117:180~188
Cai, X. / 2019 / Water-Weakening Effects on the Mechanical Behavior of Different Rock Types : Phenomena and Mechanisms / Appl. Sci 9(20):4450
Cao, R. H. / 2018 / Mechanical behavior of an opening in a jointed rock-like specimen under uniaxial loading: Experimental studies and particle mechanics approach / Arch. Civ. Mech. Eng. 18(1):198~214
Cała, M. / 2016 / Preliminary Application of X-ray Computed Tomograph on Characterisation of Polish Gas Shale Mechanical Properties / Rock Mech. Rock Eng 49(12):4935~4943
Christe, P. / 2011 / An X-ray computed tomography-based index to characterize the quality of cataclastic carbonate rock samples / Eng. Geol 117:180~188
Cai, X. / 2019 / Water-Weakening Effects on the Mechanical Behavior of Different Rock Types : Phenomena and Mechanisms / Appl. Sci 9(20):4450
Cao, R. H. / 2018 / Mechanical behavior of an opening in a jointed rock-like specimen under uniaxial loading: Experimental studies and particle mechanics approach / Arch. Civ. Mech. Eng. 18(1):198~214
Cała, M. / 2016 / Preliminary Application of X-ray Computed Tomograph on Characterisation of Polish Gas Shale Mechanical Properties / Rock Mech. Rock Eng 49(12):4935~4943
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