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RISS 인기검색어
- 검색키워드
- 저자 : Y. H. Mugahed Amran (검색결과 2 건)
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Structural performance of precast foamed concrete sandwich panel subjected to axial load
Y. H. Mugahed Amran,Raizal S. M. Rashid,Farzad Hejazi,A. A. Abang Ali,Nor Azizi Safiee,Sani Mohammed Bida 대한토목학회 2018 KSCE JOURNAL OF CIVIL ENGINEERING Vol.22 No.4
In this paper, experimental and simple analytical studies on the structural behavior of Precast Foamed Concrete Sandwich Panel(PFCSP) were reported. Full-scale tests on six PFCSP panels varying in thickness were performed under axial load applications. Axial load-bearing capacity, load-deflection profiles, load-strain relationships, slenderness ratio, load-displacement, load-deformation,typical modes of failure and cracking patterns under constantly increasing axial loads were discussed. Nonlinear Finite ElementAnalysis (FEA) using LUSAS software to investigate the structural behavior of PFCSP was contacted. The computed ultimatestrength values using American Concrete Institute equation (ACI318) and other empirical formulas developed by perviousresearchers which applicable to predict the ultimate strength capacity of sandwich panels were compared with the experimental testresults and FEA data obtained; therefore, very conservative values resulted, a significant agreement with the FEA data that presenteda high degree of accuracy with experiments and an increase in slenderness function.
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Performance investigation of palm kernel shell ash in high strength concrete production
Mohammad A. Mosaberpanah,Y.H. Mugahed Amran,Abdulrahman Akoush 사단법인 한국계산역학회 2020 Computers and Concrete, An International Journal Vol.26 No.6
By the increasing amount of waste materials, it eventually dumped into the environment and covering a larger area of the landfill which cause several environmental pollution problems. The utilization of Palm Kernal Shell Ash (PKSA) in concrete might bring a great benefit in addressing both environmental and economic issues. This article investigates the effect of PKSA as a partial cement replacement of High Strength Concrete (HSC). Several concrete mixtures were prepared with different PKSA of 0%, 10%, 20%, and 30% replaced by the cement mass. This procedure was replicated twice for the two different target mean strengths of 40 MPa and 50 MPa. The mixtures were prepared to test different fresh and hardened properties of HSC including slump test, the compressive strength of 3, 7, 14, 28, and 90 days, flexural strength of 28-days, drying shrinkage, density measurement, and sorptivity. It was observed 10% PKSA replacement as optimum percentage which reduced the drying shrinkage, sorptivity, and density and improved the late-age compressive strength of concrete.
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