ABSTRACT
The most common type of coarse aggregate
used for making concrete in Malaysia is crushed granite. Due to the high demand
of concrete, the granite aggregates used in
construction industry depleting every year and might lead to increase in
granite aggregates price. Therefore, studies need to be conducted to integrate
other types of aggregate as partial coarse aggregate replacement in order to
avoid aggregate depletion issue and environmental problem that would arise due
to excessive use of this material. In the path to overcome these problem
Malaysian researchers are conducting research on new construction materials
with potential as coarse aggregate replacement in concrete. This thesis
presents an experimental study on the effect of laterite aggregate content as
partial coarse aggregate replacement towards the behaviour of concrete in term
of resistance to acid attack, corrosion attack as well as its moisture
absorption properties. Mixes consisting a range of laterite aggregate content from
(0 - 50%) was used to produce specimens that placed in water curing for
28 days before subjected to durability test. The entire experimental work was
carried out according to existing standard. The results of the test conducted
reveal that the resistance of concrete towards acid and corrosion decreases
with increasing of laterite aggregate content in concrete. Furthermore, the
moisture absorption tests indicate concrete with higher laterite aggregate
content has high moisture absorption properties.
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