Study on impact strength of composite between cement paste and corn husk ash

Mohd Ghazali, Sarah Nadiah (2017) Study on impact strength of composite between cement paste and corn husk ash. Masters thesis, Universiti Teknikal Malaysia Melaka.

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This study is about impact test behaviour of composite between cement paste and com husk ash. In order to help the environment for future, the idea of mixing natural waste material in original composition is something that could be an idea for designing sustainable product and to make use of com husk into something useful by mixing it with cement paste. The objectives of this study are to identify the effect of curing days and amount of com husk in composite mixture and examine the impact strength of impact force on the composite mixture. A combination of mixing cement with varied percentage of com husk (0%, 25%, 50% and 75% by weight) and sand (1 :2 ratio) and fix amount of water (0.6 ratio) were carried out in order to determine the impact strength in this mixture. This study uses 7, 14, 28 and 56 curing days in order to determine the most optimum parameter since curing day gives effect to mechanical properties. In addition, experiment also analyse the mixture composition microstructure by using SEM and Rockwell Hardness test. The observation of SEM showed that the particle size between the aggregate, cement and com husk ash led to lack of impact strength. As for Rockwell hardness result presented the same pattern as impact strength. The outcome gain from the 56 curing days with 25% com husk ash has resulted to better impact strength. This can be concluded that com husk ash as cementitious material able to replace small amount of cement paste and can help on creating useful natural waste material.

Item Type: Thesis (Masters)
Uncontrolled Keywords: Composite materials, Testing, Composite materials
Subjects: T Technology > T Technology (General)
T Technology > TA Engineering (General). Civil engineering (General)
Divisions: Library > Tesis > FKP
Depositing User: Mohd Hannif Jamaludin
Date Deposited: 05 Jun 2018 03:26
Last Modified: 28 Dec 2022 17:10
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