Abstract
Secondary aluminum dross (SAD) is a hazardous by-product of the aluminum smelting industry. Among various recycling options of this waste, construction and building materials applications is one of...
Highlights
It is becoming increasingly difficult to ignore the relevancies of sandcrete blocks (SBs) in the construction industry
The compressive strength and water absorption capacity properties of SBs blended with secondary aluminum dross (SAD) have been investigated for likely application in construction and building material units
River sand has been substituted with SAD at varying percentages
Summary
It is becoming increasingly difficult to ignore the relevancies of SBs in the construction industry. SB is majorly a mix ratio 1:6–1:8 of cement, fine aggregate (river, pit sand) and water with or without admixtures molded in specified sizes (Anosike & Oyebade, 2012; Nigerian Industrial Standard [NIS] 87:2007). Nigerian Industrial Standard (NIS 87:2007) describes SBs as walling components which when placed in its standard position exceeds the sizes specified for bricks. Two load bearing hollow SBs sizes specified by NIS 87 (2007) are of dimensions 450 mm × 225 mm × 225 mm and 450 mm × 225 mm × 150 mm. According to this classification, 150 mm and 225 mm thicknesses required web thickness of 37–50 and 50 mm, respectively
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