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A platform for research: civil engineering, architecture and urbanism
Fresh and Hardened Properties of Innovative Foamed-Rubberized Concrete
Abstract Foamed concrete has many superior properties including lightweight, high thermal and acoustic insulations. Crumb rubberized concrete also attracts interests from researchers throughout the world because of its ductile performance especially under dynamic loads and its environmental benefit to reduce the pollution impact from end-of-life tires through recycling rubber particles in concrete. It is expected that foamed-rubberized concrete has the combined advantages of both foamed concrete and crumb rubberized concrete. In this paper, fresh and hardened properties of this cellular concrete are investigated including, density, flowability, compressive strength, splitting tensile strength, flexural strength, Young’s modulus of elasticity and poison’s ratio. Foam cells in concrete are produced through using chemical foaming agent and foam generator. Crumb rubber particles with about 4.75 mm maximum sizes were added to the concrete matrix as sand replacement by volume with varying ratios, 0, 10, 20 and 30%. The cement content and water/cement ratio are fixed at 550 kg/m3 and 0.5, respectively and the sand/cement ratio is equal to 1.5. Cylinder and beam specimens were tested and the experimental results are presented, plotted and tabulated for comparison.
Fresh and Hardened Properties of Innovative Foamed-Rubberized Concrete
Abstract Foamed concrete has many superior properties including lightweight, high thermal and acoustic insulations. Crumb rubberized concrete also attracts interests from researchers throughout the world because of its ductile performance especially under dynamic loads and its environmental benefit to reduce the pollution impact from end-of-life tires through recycling rubber particles in concrete. It is expected that foamed-rubberized concrete has the combined advantages of both foamed concrete and crumb rubberized concrete. In this paper, fresh and hardened properties of this cellular concrete are investigated including, density, flowability, compressive strength, splitting tensile strength, flexural strength, Young’s modulus of elasticity and poison’s ratio. Foam cells in concrete are produced through using chemical foaming agent and foam generator. Crumb rubber particles with about 4.75 mm maximum sizes were added to the concrete matrix as sand replacement by volume with varying ratios, 0, 10, 20 and 30%. The cement content and water/cement ratio are fixed at 550 kg/m3 and 0.5, respectively and the sand/cement ratio is equal to 1.5. Cylinder and beam specimens were tested and the experimental results are presented, plotted and tabulated for comparison.
Fresh and Hardened Properties of Innovative Foamed-Rubberized Concrete
Eltayeb, Essam (author) / Ma, Xing (author) / Zhuge, Yan (author) / Youssf, Osama (author)
2019-09-04
12 pages
Article/Chapter (Book)
Electronic Resource
English
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