The energy absorption of modified foamed concrete with rice husk ash subjected to impact loading

Hadipramana, Josef and Abdul Samad, Abdul Aziz and Ibrahim, Rosziati and Mohamad, Noridah and Riza, Fetra Venny (2016) The energy absorption of modified foamed concrete with rice husk ash subjected to impact loading. ARPN Journal of Engineering and Applied Sciences, 11 (12). ISSN 18196608

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Abstract

RiceHusk Ash (RHA) as sand replacement and filler of Foamed Concrete (FC) has contributed to increase the strength. FC with RHA has increased the slab resistant of impact loading. When RHA granulate filled the FC porous, it would delay the collapsing of cell porous due to the increasing strain of porous walls. The RHA granulate increased the elasticity of the porous walls of FC. Other than that, the walls porous would be more plastic when it was subjected to compressive stress that generated by impact loading. The impact test conducted an instrument drop-weight impact tower to generate various impact velocities of non-deformable impactor on slab of FC and FC with RHA. Results show that FC with RHA created the crater without fragments. Means while, FC clearly create radial crack and fragments within the crater field. However, both slab materials did not generate spalling nor scabbing upon impact and the influence of porosity produces only local damage due to the mechanism of brittle crushing effect of porous walls. This investigation observed that the energy absorption between FC and FC with RHA produced minor differences. However, the results verify that FC with RHA did not loss its ability to absorb energy upon impact.

Item Type:Article
Uncontrolled Keywords:Absorb; energy; impact loading; foamed; concrete RHA
Subjects:T Technology > TA Engineering (General). Civil engineering (General) > TA401-492 Materials of engineering and construction. Mechanics of materials
Divisions:Faculty of Civil and Environmental Engineering > Department of Structural and Material Engineering
ID Code:8575
Deposited By:Mr. Mohammad Shaifulrip Ithnin
Deposited On:17 Jul 2017 11:39
Last Modified:17 Jul 2017 11:39

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