Effects of local metakaolin addition on rheological and mechanical performance of self-compacting limestone cement concrete

Barkat, A.; Kenaï, Saïd; Mahdad, Belkacem; Kadri, El-Hadj; Soualhi, Hamza

doi:10.1080/01694243.2019.1571737

Cited by 30 publications

(17 citation statements)

References 46 publications

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“…Several publications investigated the influence of RHA and metakaolin addition on the modulus of elasticity properties of SCC [ 30 , 46 , 113 , 114 ]. Metakaolin had no significant impact SCC [ 22 , 56 , 93 , 115 ] as displayed in Figure 7 . A slight increase in modulus of elasticity was observed when RHA was used as SCM [ 116 , 117 , 118 ].…”

Section: Hardened Properties Of Sccmentioning

confidence: 99%

“…This decrease becomes more pronounced with an increase in curing age as shown in Figure 12 . Similarly, metakaolin, up to 25 wt.% cement replacement slightly decreased the porosity of SCC [ 22 , 137 ]. However, these findings hold only up to 28 days age of concrete.…”

Section: Durability Propertiesmentioning

confidence: 99%

“…The cost of materials in SCC is exceeding approximately 20–50% those for conventional vibrated concrete (CVC) [ 15 ]. Although, this can be partially compensated by rapid and easy placing [ 22 ].…”

Section: Introductionmentioning

confidence: 99%

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Suitability of Blending Rice Husk Ash and Calcined Clay for the Production of Self-Compacting Concrete: A Review

2021

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One principal approach to achieve self-compacting properties is the increased amount of finer constituents of the mixture. This, in turn, increases cement consumption leading to higher greenhouse gas emissions. Pozzolanic materials, like rice husk ash or calcined highly kaolinitic clays, have gained increased attention as supplementary cementitious materials in self-compacting concrete production. These materials could be viable alternative supplementary cementitious materials for sub-Saharan Africa which already lacks fly ash, slag and silica fume. This current effort reviews the impact of rice husk ash and calcined clays for the production of self-compacting concrete. Special focus is on their impact on rheological, mechanical and durability properties of self-compacting concrete. Rice husk ash and, in particular, calcined highly kaolinitic clays are introduced as technical and cost-effective supplementary materials for use in self-compacting. The review disclosed a lack of knowledge when it comes to the use of low-kaolinitic calcined clays as sole SCM or together with rice husk ash, which could be a very promising combination for e.g., several countries in Africa. Further studies are needed on the rheological properties, shrinkage, creep, and durability of self-compacting concrete produced with other calcined common clays and their blend with rice husk ash.

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Section: Hardened Properties Of Sccmentioning

confidence: 99%

Section: Durability Propertiesmentioning

confidence: 99%

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Suitability of Blending Rice Husk Ash and Calcined Clay for the Production of Self-Compacting Concrete: A Review

2021

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“…Nanostructure showed that the high strength and high durable concrete can produce lower repair and maintains the requirements for concrete structure. Barkat et al (2019), studied the effect of adding local metakaolin to the mechanical and rheological performance of self-compacting limestone cement. In this study, two types of cement were used, which are Portland Cement (PC) and Portland limestone cement (PLC), the local calcined clays were added at a temperature of 850 °C for 3 hours in different proportions 5, 10, 15, 20, 25% of the cement weight.…”

Section: Introductionmentioning

confidence: 99%

“…The absorption of capillary water for mixtures containing metakaolin is lower compared to the reference mixture at ages 7, 90 days except for the mixture containing 10% metakaolin exposed to a high water absorption. This study achieved its goals through sustainable production SCHPC incorporating calcined pozzolanic materials (CC) and nanoparticles (NL) that could contribute to reducing cement demand, declining CO2 emission rate, and make durable and eco-friendly SCHPC [14].…”

Section: Introductionmentioning

confidence: 99%

Experimental Investigation of Self-compacting High Performance Concrete Containing Calcined Kaolin Clay and Nano Lime

Kadhum

Owaid

2020

Civ Eng J

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The aim of this research is to investigate the effect of pozzolanic materials and nano particles on improve the strength characteristic by the properties of a self-compacting high-performance concrete that includes calcined clay with nano lime. In this study, two blends systems are worked on, they are the binary and the ternary systems. For binary mixtures, test samples were prepared from 5% CC, 10% CC, 15% CC and 3% NL by partial replacement of the cement weight. While ternary mixtures, samples were prepared from 5% CC 3% NL, 10% CC 3% NL and 15% CC 3% NL by partial substitution of cement weight. The tests conducted on mixes are fresh tests like slump flow diameter, V-funnel, L-box, and segregation resistance. The compressive strength test was determined at 7, 28 and 56 days. While splitting tensile strength tests at 7 and 28 days from the SCHPC produced in the study. It was concluded that the replacement of CC and NL in SCHPC binary mixes reduced the fresh results enough for SCHPC production and gave a general improvement in the compressive strength and splitting tensile strength properties of the SCHPC mixture. SCHPC with 10% CC partial replacement of cement showed higher values of compressive and splitting tensile strength, compared to the reference mixture of SCHPC for all days, thus it was considered the best. Whereas, the strength of the concrete mixtures in the ternary cement mixtures was better than the strength of the mixing and control mortar systems for the same replacement levels in 7 , 28 and 56 days.

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Synergistic influence of metakaolin and slag cement on the properties of self-compacting fiber-reinforced concrete

Raia

Tahwia

Raheem

et al. 2021

Innov. Infrastruct. Solut.

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Effects of local metakaolin addition on rheological and mechanical performance of self-compacting limestone cement concrete

Cited by 30 publications

References 46 publications

Suitability of Blending Rice Husk Ash and Calcined Clay for the Production of Self-Compacting Concrete: A Review

Suitability of Blending Rice Husk Ash and Calcined Clay for the Production of Self-Compacting Concrete: A Review

Experimental Investigation of Self-compacting High Performance Concrete Containing Calcined Kaolin Clay and Nano Lime

Synergistic influence of metakaolin and slag cement on the properties of self-compacting fiber-reinforced concrete

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