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Potential of RHA in foamed concrete subjected to dynamic impact loading

Ahmad Zaidi , Ahmad Mujahid and Hadipramana, Josef and Abdul Samad, Abdul Aziz and Mohamad, Noridah and Riza, Fetra Venny (2013) Potential of RHA in foamed concrete subjected to dynamic impact loading. In: Advanced Materials Engineering and Technology (ICAMET 2013) , 28-29 November 2013, Bandung, Indonesia .

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In relation to the conventional concrete then foamed concrete (FC) is weaker. Therefore FC was added by Rice Husk Ash (RHA) to alter the strength without eliminating its characteristic as aerated concrete. Actually function of RHA is substitute the sand partly. The strength of concrete affects to prevent the dynamic impact loading. However FC as aerated concrete can absorb energy impact by its porosity. Both of characteristics were presented in this investigation. SEM and EDS detected that pozzolanic reaction was done when FC was processing hydration of cement in admixture. The presence of RHA increased the strength of concrete owing to cement hydration process and pozzolanic reactivity of RHA. The result of impact loading on slab FC target displayed that FC with RHA was more shallow than without RHA. Beside of that local damage showed that FC with RHA denser and is not impression of fragments than FC without RHA.

Item Type: Conference or Workshop Item (Paper)
Uncontrolled Keywords: foamed concrete; rice husk ash; impact; penetration
Subjects: T Technology > TA Engineering (General). Civil engineering (General) > TA401-492 Materials of engineering and construction. Mechanics of materials
Depositing User: Normajihan Abd. Rahman
Date Deposited: 25 Sep 2014 07:36
Last Modified: 25 Sep 2014 07:36
URI: http://eprints.uthm.edu.my/id/eprint/4826
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