The Investigation Of Lightweight Brick Made From Rice Husk

Roslan, Muhammad Haziq Ilham (2017) The Investigation Of Lightweight Brick Made From Rice Husk. Project Report. Universiti Teknikal Malaysia Melaka, Melaka, Malaysia. (Submitted)

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Abstract

Malaysia are gifted with a variety of natural and mineral resources and one of it is clay.Clay unarguable the most important materials in brick production but the exploitation of this sources has proven in resource depletion.The usage of waste materials in brick manufacturing is well known for conservation of dwindling resources,preventing environmental and ecological damages caused by quarrying and depletion of raw materials.Bricks that available in some regions have poor quality,low compressive strength,higher water absorption and uneven surfaces Therefore in this study,rice husk ash has been utilized for the preparation of bricks in partial replacement of clay.The specimens were cast with different replacement levels of clay varying as 0%,5%, 10%,15%,and 20% with rice husk ash.The specimens were tested for water absorption and compressive strength accordingly to Malaysian Standard EN 1008:2010 for 2 hours.Experimental shows that excessive addition of rice husk ash has higher water absorption and low compressive strength it is because rice husk ash percentage increases rice husk ash characteristics predominate,the bonding between the clay particle and the rice husk ash particles is weak.By adding 10% of rice husk ash by weight is the best brick properties which 6.80 MPa of compressive strength and 16.30% of water absorption.The specimens were compared with the existing clay brick based on the result correlation with the addition of rice husk ash.

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