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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.76 No.6
- 발행연도
- 2020.1
- 수록면
- 725 - 736 (12page)
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초록· 키워드
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In this work the mixed mode I/III fracture of sandstone has been studied experimentally and numerically. The experimental work used three-point bending specimens containing pre-existing cracks, machined at various inclination angles so as to achieve varying proportions of mode I to mode III loading. Dimensionless stress intensity factors were calculated using the extended finite element method (XFEM) for and compared with existing results from literature calculated using conventional finite element method. A total of 28 samples were used to conduct the fracture test with 4 specimens for each of 7 different inclination angles. The fracture load and the geometry of the fracture surface were obtained for different mode mixities. Prediction of the fracture loads and the geometry of the fracture surface were made using XFEM coupled with a cohesive zone model (CZM) and showed a good comparison with the experimental results.
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참고문헌 (62)
참고문헌 신청
ABAQUS, C. / 2017 / Analysis user’s manual / Version
Ahmadi-Moghadam, B. / 2013 / An effective means for evaluating mixed-mode I/III stress intensity factors using single-edge notch beam specimen / J Strain Anal Eng 48(4):245~257
Aliha, M. R. M. / 2014 / Rock fracture toughness study using cracked chevron notched Brazilian disc specimen under pure modes I and II loading–A statistical approach / Theor. Appl. Fract. Mech 69:17~25
Aliha, M. R. M. / 2008 / Brittle fracture analysis using a ring-shape specimen containing two angled cracks / Int. J. Fract 153(1):63~68
Aliha, M. R. M. / 2010 / Geometry and size effects on fracture trajectory in a limestone rock under mixed mode loading / Eng. Fract. Mech 77(11):2200~2212
Ahmadi-Moghadam, B. / 2013 / An effective means for evaluating mixed-mode I/III stress intensity factors using single-edge notch beam specimen / J Strain Anal Eng 48(4):245~257
Aliha, M. R. M. / 2014 / Rock fracture toughness study using cracked chevron notched Brazilian disc specimen under pure modes I and II loading–A statistical approach / Theor. Appl. Fract. Mech 69:17~25
Aliha, M. R. M. / 2008 / Brittle fracture analysis using a ring-shape specimen containing two angled cracks / Int. J. Fract 153(1):63~68
Aliha, M. R. M. / 2010 / Geometry and size effects on fracture trajectory in a limestone rock under mixed mode loading / Eng. Fract. Mech 77(11):2200~2212
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