Evaluating The Impact of Partially Replacing Cement with Rice Husk Ash and Metakaolin on the Rheological Behavior and Mechanical Strength of Self-Compacting Concrete DOI

Samuel Iliya Bajahry,

Joy Joshua T,

Mohammed Abdulmumin Nda

и другие.

Опубликована: Май 3, 2025

Although self-compacting concrete (SCC) is a unique that can spread and fill formwork without the need for mechanical vibration, researchers are now using supplementary cementitious materials (SCMs) to partially replace cement in SCC production because of high content required produce SCC. Based on aforementioned, rheological strength properties admixed with Rice Husk Ash (RHA) Metakaolin (MK) at 0.4, 0.5, 0.6 water-cement (W/C) ratios was investigated. The used study cement, water, fine aggregate, coarse (MK), (RHA), superplasticizer. Mechanical tests were conducted RHA MK. produced by replacing MK separately blend 2.5, 5, 7.5, 10, 12.5, 15 %, yielding total four hundred twenty (420) cubes, all cubes cured 3, 7, 14, 28, 56, 90, 120 days before crushing. Marsh cone test adopted determine optimum superplasticizer (SP) content, while fresh slump test, V-funnel L- Box J-Ring whereas hardened compressive, flexural, split tensile test. Results from findings showed 0.9 % exhibits adequate workability flowability ratios. Also, W/C ratios, maximum compressive achieved 5- 10 RHA, 5-15 MK, when blend. More also, 28 7.5-10 replaced cement. Furthermore, flexural 12.5-15 12.5 Hence it concluded workable rheological, be replaces between – %.

Язык: Английский

Evaluating The Impact of Partially Replacing Cement with Rice Husk Ash and Metakaolin on the Rheological Behavior and Mechanical Strength of Self-Compacting Concrete DOI

Samuel Iliya Bajahry,

Joy Joshua T,

Mohammed Abdulmumin Nda

и другие.

Опубликована: Май 3, 2025

Although self-compacting concrete (SCC) is a unique that can spread and fill formwork without the need for mechanical vibration, researchers are now using supplementary cementitious materials (SCMs) to partially replace cement in SCC production because of high content required produce SCC. Based on aforementioned, rheological strength properties admixed with Rice Husk Ash (RHA) Metakaolin (MK) at 0.4, 0.5, 0.6 water-cement (W/C) ratios was investigated. The used study cement, water, fine aggregate, coarse (MK), (RHA), superplasticizer. Mechanical tests were conducted RHA MK. produced by replacing MK separately blend 2.5, 5, 7.5, 10, 12.5, 15 %, yielding total four hundred twenty (420) cubes, all cubes cured 3, 7, 14, 28, 56, 90, 120 days before crushing. Marsh cone test adopted determine optimum superplasticizer (SP) content, while fresh slump test, V-funnel L- Box J-Ring whereas hardened compressive, flexural, split tensile test. Results from findings showed 0.9 % exhibits adequate workability flowability ratios. Also, W/C ratios, maximum compressive achieved 5- 10 RHA, 5-15 MK, when blend. More also, 28 7.5-10 replaced cement. Furthermore, flexural 12.5-15 12.5 Hence it concluded workable rheological, be replaces between – %.

Язык: Английский

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