Experimental study on mechanical properties of concrete with marble dust
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Department of Civil Engineering, Sanandaj Branch, Islamic Azad University, Sanandaj, Iran
Department of Civil Engineering, Shahed University, Tehran, Iran
Publication date: 2020-11-06
Cement Wapno Beton 25(4) 316-329 (2020)
This study aims to investigate the extensive test data on the mix design and mechanical properties of concrete by replacing parts of fine aggregates with marble dust. A full factorial experiment with 180 cubic samples of 30 mixes was used. The effects of water/cement ratio: 0.4, 0.45 and 0.5, marble dust/sand ratio: 0, 0.05, 0.1, 0.15 and 0.2, superplasticizer/cement ratio: 0, 0.25, 0.5, 0.75 and 1, and fineness modulus of sand [FM = 2.4 and FM = 3] on slump, 28-day compressive strength and depth of water penetration were determined. The results indicate that the proposed ratios can be used to enable the design of a concrete mix that corresponds to its required performance.
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