Abstract
Substantial amounts of marble dust are available as construction wastes. This laboratory investigation examined the incorporation of the high volume of marble slurry as a cement replacement in pastes to produce environmentally friendly and lightweight building materials for sustainable construction. Dry unit mass of the marble composites varied from 1000 kg/m3 to 1520 kg/m3, mass loss upon exposure to sulfate solution varied from 9.8% to 16.2%, and compressive strength varied from 2.95 MPa to 28.63 MPa. The results revealed that the replacement of up to 60% of the cement constituent by marble powder in paste mixtures was effective. The composites are suitable as building materials for various applications in the manufacturing of bricks, tiles, and controlled low strength applications. Additionally, the beneficial effect of using a high amount of marble wastes considering the environmental and economic aspects are also discussed.
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