Abstract
This paper experimentally comparing the mechanical properties between ground granulated blast furnace slag (GGBS) and unground blast furnace slag (GBS) as a partial replacement for cement for the p...
Highlights
Foam concrete has been proven to be more environmentally friendly than conventional concrete as it uses fewer natural resources, is superior in fire and thermal insulation, reduces the weight of superstructures or substructures, minimizes the overall cost of construction, and can be handled and constructed relatively faster and easier (Kearsley, 1999)
Results revealed that the inclusion of either granulated blast furnace slag (GBS) or ground granulated blast furnace slag (GGBS) in the matrix of foam concrete-based mixture reduced the amount of foam required as compared with control mixes in both series
As GGBS can be incorporated into foam concrete mixtures, the results generally showed that all of the mixes at different replacement levels gained higher compressive strength at all ages than the control mixes in both series
Summary
Foam concrete has been proven to be more environmentally friendly than conventional concrete as it uses fewer natural resources, is superior in fire and thermal insulation, reduces the weight of superstructures or substructures, minimizes the overall cost of construction, and can be handled and constructed relatively faster and easier (Kearsley, 1999). Previous research have utilized cementation material in foam concrete as cement replacement under different replacement levels, such as classified (graded) and unclassified (ungraded) fly ash, rice husk ash, ground granulated blast furnace slag (GGBS), silica fume, and oil palm ash (Awang, AlMulali, Abdul Khalil, & Aljoumaily, 2014; Jitchaiyaphum, Sinsiri, & Chindaprasirt, 2011; Jones & McCarthy, 2005a; Zulkarnain & Ramli, 2011). The utilization of these materials reduces carbon dioxide (CO2) footprint attributed to cement production and enhances the properties of concrete (Chandra, 1996). The utilization of GBS as a partial replacement for cement for the production of foam concrete will increase the possibility of developing a more environmentally friendly foam concrete and minimizing the amount of cement used for its production
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