Experimental study on mechanical properties of concrete with marble dust
1
Department of Civil Engineering, Sanandaj Branch, Islamic Azad University, Sanandaj, Iran
2
Department of Civil Engineering, Shahed University, Tehran, Iran
Publication date: 2020-11-06
Cement Wapno Beton 25(4) 316-329 (2020)
KEYWORDS
ABSTRACT
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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