Malaysia construction sector
is predicted to grow rapidly for the coming year after experiencing the global
slowdown in year 2008. There is new incentive introduced by the government in
the 11th Malaysian Plan for period time of 2016 to 2020, which aims
to transform the construction industry via four main strategies: Quality,
Safety and Professionalism, Environment sustainability, Productivity and
Internationalisation (Construction Industry Transformation Programme, CITP,
2015). It is developed to address the substantial issues in construction
industry in term of quality and workmanship and the most essential concern on
the environmental problems which include the high emission of carbon dioxide,
construction and demolition waste, solid waste over contribute to landfill and
inadequate reliance on the natural resources.

The rapid growth of the
construction industry is indirectly increase the production and consumption for
construction material manufacturing. The concrete sector is expected to face
the issue related to production such as decline of raw material quality,
problem of scarcity and also cost. Aggregate is major components in concrete
beside the cement, sand and water where it occupies 70 to 80% of total volume
and will affect the concrete properties.  

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Aggregate or limestone is
commonly used as the construction materials which are obtained from captive
mines. The uses of the granular aggregate are not only need massive natural
stone, but also destroy the ecological environment (Safiuddin et al., 2011). If
the aggregate consumption is not control and proper plan, the aggregate will
soon to be depleted (Abdul Rahman et al., 2009).

Concurrently, the waste from
the industrial is identified as the main contributor to the solid waste in
Malaysia. Therefore, in order to conserve the natural resources, there are
various alternate raw materials generated from industries waste, for example
slag from steel industry, fly ash from power plant, lime sludge from paper
industry and fertiliser, marble slurry from marble industry and others (Neeraj
Akhoury, 2017).

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