Optimizing of Self-Compacting Concrete (SCC): Synergistic Impact of Marble and Limestone Powders—A Technical and Statistical Analysis DOI Creative Commons
Mourad Boutlikht, Abdellah Douadi,

Nour El Houda Khitas

et al.

Buildings, Journal Year: 2025, Volume and Issue: 15(7), P. 1043 - 1043

Published: March 24, 2025

The disposal and recycling of industrial by-products such as marble limestone powders pose pressing environmental challenges due to the substantial amounts waste generated annually by processing plants quarries. integration these into concrete production is justified their widespread availability potential alleviate burden. This study used a statistical mixture design approach systematically assess effects powders, with varying fineness levels, partial cement replacements (up 17%) on rheological mechanical properties self-compacting (SCC). experimental findings revealed that density SCC mixtures ranged from 2475 2487 kg/m3. Mixtures incorporating powder exhibited superior flowability, achieving slump flow up 69 cm, an 8% improvement compared those containing powder. However, specific surface area 330 m2/kg demonstrated significant improvements in compressive tensile strengths, increases 18%. Statistical analysis using variance (ANOVA) validated reliability predictive models developed, which coefficients determination (R2) exceeded 0.94 p-values below 0.05. These enable precise predictions critical performance metrics, including density, flow, box strength, thus reducing need for extensive procedures.

Language: Английский

Optimizing of Self-Compacting Concrete (SCC): Synergistic Impact of Marble and Limestone Powders—A Technical and Statistical Analysis DOI Creative Commons
Mourad Boutlikht, Abdellah Douadi,

Nour El Houda Khitas

et al.

Buildings, Journal Year: 2025, Volume and Issue: 15(7), P. 1043 - 1043

Published: March 24, 2025

The disposal and recycling of industrial by-products such as marble limestone powders pose pressing environmental challenges due to the substantial amounts waste generated annually by processing plants quarries. integration these into concrete production is justified their widespread availability potential alleviate burden. This study used a statistical mixture design approach systematically assess effects powders, with varying fineness levels, partial cement replacements (up 17%) on rheological mechanical properties self-compacting (SCC). experimental findings revealed that density SCC mixtures ranged from 2475 2487 kg/m3. Mixtures incorporating powder exhibited superior flowability, achieving slump flow up 69 cm, an 8% improvement compared those containing powder. However, specific surface area 330 m2/kg demonstrated significant improvements in compressive tensile strengths, increases 18%. Statistical analysis using variance (ANOVA) validated reliability predictive models developed, which coefficients determination (R2) exceeded 0.94 p-values below 0.05. These enable precise predictions critical performance metrics, including density, flow, box strength, thus reducing need for extensive procedures.

Language: Английский

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