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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
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- 국제구조공학회 Structural Engineering and Mechanics, An Int'l Journal Structural Engineering and Mechanics, An Int'l Journal Vol.69 No.1
- 발행연도
- 2019.1
- 수록면
- 51 - 67 (17page)
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초록· 키워드
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In this paper, the anisotropy of tensile behaviours of layered rocks consisting internal notch has been investigated using particle flow code. For this purpose, firstly calibration of PFC2D was performed using Brazilian tensile strength. Secondly Brazilian test models consisting bedding layer was simulated numerically. Thickness of layers was 10 mm and layered angularity was 90°, 75°, 60°, 45°, 30°, 15° and 0°. The strength of bedding interface was too high. Each model was consisted of one internal notch. Notch length is 1 cm, 2 cm and 4 cm and notch angularities are 60°, 45°, 30°, 15° and 0°. Totally, 90 model were tested. The results show that failure pattern was affected by notch orientation and notch length. It’s to be noted that layer angle has not any effect on the failure pattern. Also, Brazilian tensile strength is affected by notch orientation and notch length.
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참고문헌 (61)
참고문헌 신청
Amadei, B. / 1996 / Importance of anisotropy when estimating and measuring in situ stresses in rock / Int. J. Rock Mech. Min. Sci 33(3):293~325
Bahaaddini, M. / 2014 / Scale effect on the shear behaviour of rock joints based on a numerical study / Eng. Geol 181:212~223
Bahaaddini, M. / 2016 / Numerical study of the mechanical behavior of nonpersistent jointed rock masses / Int. J. Geomech 16(1):1~10
Bahaaddini, M. / 2016 / Experimental and numerical study of asperity degradation in the direct shear test / Eng. Geol 204:41~52
M. Boumaaza / 2017 / Behavior of pre-cracked deep beams with composite materials repairs / Structural Engineering and Mechanics, An Int＇l Journal 63(5):575~583
Bahaaddini, M. / 2014 / Scale effect on the shear behaviour of rock joints based on a numerical study / Eng. Geol 181:212~223
Bahaaddini, M. / 2016 / Numerical study of the mechanical behavior of nonpersistent jointed rock masses / Int. J. Geomech 16(1):1~10
Bahaaddini, M. / 2016 / Experimental and numerical study of asperity degradation in the direct shear test / Eng. Geol 204:41~52
M. Boumaaza / 2017 / Behavior of pre-cracked deep beams with composite materials repairs / Structural Engineering and Mechanics, An Int＇l Journal 63(5):575~583
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