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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2019.1
- 수록면
- 179 - 192 (14page)
이용수
초록· 키워드
오류제보하기
Rock engineering projects have always been constructed on different (from micro to macro) scales. This makes understanding rock behaviour at different scales essential. In previous statistical studies on igneous hard rocks, the correlation of uniaxial compressive strength (UCS) values in different diameters with estimations of specimen size effect models was weak. In view of this knowledge gap, the present research proposed a model of appropriate size effect in igneous hard rocks. This research also aimed at discussing the effect of specimen size and grain size on the UCS of concrete specimens. To achieve these aims, studies were conducted in parallel on the previous and new experimental data. Non-linear regression analysis on igneous hard rocks indicated that there is a better agreement between the outputs of the multi-fractal scaling model and the specimen size effect model using the fracture energy theory and the results of previous laboratory tests. In addition, in the experimental study, the grain size effect on the predictions of specimen size effect models was exhibited. The results of this research can be used for designing engineering projects at different scales.
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참고문헌 (62)
참고문헌 신청
ACI Committee / 1988 / Measurement of properties of fiber reinforced concrete / ACI Materials Journal 85(6):583~593
Adey, R. A. / 1999 / Scale dependency in rock strength / Engineering Geology 53:251~258
Andreev, G. E. / 1991 / A review of the Brazilian test for rock tensile strength determination. Part I : Calculation formula / Mining Science and Technology 13(3):445~456
Andreev, G. E. / 1991 / A review of the Brazilian test for rock tensile strength determination. Part II : Contact conditions / Mining Science and Technology 13(3):457~465
ASTM. / 2003 / Standard specification for concrete aggregates-C33-03 / Annual Book of ASTM Standards
Adey, R. A. / 1999 / Scale dependency in rock strength / Engineering Geology 53:251~258
Andreev, G. E. / 1991 / A review of the Brazilian test for rock tensile strength determination. Part I : Calculation formula / Mining Science and Technology 13(3):445~456
Andreev, G. E. / 1991 / A review of the Brazilian test for rock tensile strength determination. Part II : Contact conditions / Mining Science and Technology 13(3):457~465
ASTM. / 2003 / Standard specification for concrete aggregates-C33-03 / Annual Book of ASTM Standards
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