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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.79 No.2
- 발행연도
- 2021.1
- 수록면
- 141 - 155 (15page)
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초록· 키워드
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One of the main concerns of engineers to design a structural member using structural lightweight concrete is the shear performance of this concrete due to its lower tensile strength. This research presents an experimental investigation on the shear behaviour of reinforced palm-oil by-product lightweight concrete beams without shear links. The used by-products are wastes from oil palm industry i.e., oil palm shell (OPS) and oil-palm-boiler clinker (OPBC). They used as coarse aggregate in the concrete mixture while normal sand was used as fine aggregate. Nine reinforced OPS and OPS-OPBC lightweight concrete beams were prepared and their structural performance in terms of shear behaviour have been investigated. Three sets of the lightweight aggregate concretes with the maximum oven dry density less than 2000 kg/m3 were designed and each set contained three concrete mixes of grades 25, 35, and 45. The results of this study show that the OPS concrete beams have lower ultimate capacity in comparison with blended coarse aggregates (OPS-OPBC) concrete beams. The contribution of OPBC aggregate in the OPS concrete improved the structural performance and the failure nature of the beams, significantly. It was found that from the existing prediction models for estimating shear capacity of concrete beams, the shear capacity can be predicted about 10% underestimate and up to 60% overestimate.
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참고문헌 (15)
참고문헌 신청
Alengaram, U. J. / 2008 / Influence of cementitious materials and aggregates content on compressive strength of palm kernel shell concrete / J. Appl. Sci 8(18):3207~3213
Alengaram, U. J. / 2011 / Shear behaviour of reinforced palm kernel shell concrete beams / Constr. Build. Mater 25(6):2918~2927
Aslam, M. / 2017 / High strength lightweight aggregate concrete using blended coarse lightweight aggregate origin from palm oil industry / Sains Malaysiana 46(4):667~675
Bazant, Z. P. / 1984 / Size effect in shear failure of longitudinally reinforced beams / ACI J 81(5):456~468
Clarke, J. L. / 1987 / Shear strength of lightweight aggregate concrete beams : design to bs 8 l 10 / Mag. Concrete Res 39(141):205~213
Alengaram, U. J. / 2011 / Shear behaviour of reinforced palm kernel shell concrete beams / Constr. Build. Mater 25(6):2918~2927
Aslam, M. / 2017 / High strength lightweight aggregate concrete using blended coarse lightweight aggregate origin from palm oil industry / Sains Malaysiana 46(4):667~675
Bazant, Z. P. / 1984 / Size effect in shear failure of longitudinally reinforced beams / ACI J 81(5):456~468
Clarke, J. L. / 1987 / Shear strength of lightweight aggregate concrete beams : design to bs 8 l 10 / Mag. Concrete Res 39(141):205~213
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