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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 한국계산역학회 Computers and Concrete, An International Journal Computers and Concrete, An International Journal Vol.22 No.4
- 발행연도
- 2018.1
- 수록면
- 373 - 381 (9page)
이용수
초록· 키워드
오류제보하기
Hollow center cracked disc (HCCD) in Brazilian test was modelled numerically to study the crack propagation in the pre-cracked disc. The pre-existing edge cracks in the disc models were considered to investigate the crack propagation and coalescence paths within the modelled samples. The effect of particle size on the hollow center cracked disc (HCCD) in Brazilian test were considered too. The results shows that Failure pattern is constant by increasing the ball diameter. Tensile cracks are dominant mode of failure. These crack initiates from notch tip, propagate parallel to loading axis and coalescence with upper model boundary. Number of cracks increase by decreasing the ball diameter. Also, tensile fracture toughness was decreased with increasing the particle size. In this research, it is tried to improve the understanding of the crack propagation and crack coalescence phenomena in brittle materials which is of paramount importance in the stability analyses of rock and concrete structures, such as the underground openings, rock slopes and tunnel construction.
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참고문헌 (61)
참고문헌 신청
Şeref Doğuşcan Akbaş / 2016 / Analytical solutions for static bending of edge cracked micro beams / Structural Engineering and Mechanics, An Int＇l Journal 59(3):579~599
Ameen, M. / 2011 / Modeling of concrete cracking-a hybrid technique of using displacement discontinuity element method and direct boundary element method / Eng. Anal. Bound. Elem. 35(9):1054~1059
Belytschko, T. / 1999 / Elastic crack growth in finite elements with minimal remeshing / Int. J. Numer. Meth. Eng. 45(5):601~620
Bi, J. / 2016 / The 3D numerical simulation for the propagation process of multiple pre-existing flaws in rock-like materials subjected to biaxial compressive loads / Rock Mech. Rock Eng. 49(5):1611~1627
Bobet, A. / 2000 / The initiation of secondary cracks in compression / Eng. Fract. Mech. 66(2):187~219
Ameen, M. / 2011 / Modeling of concrete cracking-a hybrid technique of using displacement discontinuity element method and direct boundary element method / Eng. Anal. Bound. Elem. 35(9):1054~1059
Belytschko, T. / 1999 / Elastic crack growth in finite elements with minimal remeshing / Int. J. Numer. Meth. Eng. 45(5):601~620
Bi, J. / 2016 / The 3D numerical simulation for the propagation process of multiple pre-existing flaws in rock-like materials subjected to biaxial compressive loads / Rock Mech. Rock Eng. 49(5):1611~1627
Bobet, A. / 2000 / The initiation of secondary cracks in compression / Eng. Fract. Mech. 66(2):187~219
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