Mechanical Properties of Brick Aggregate Concrete Containing Rice Husk Ash as a Partial Replacement of Cement

Noaman, Md. Abu; Islam, Md. Nazrul; Islam, Md. Rakibul; Karim, Md. Rezaul

doi:10.1061/(asce)mt.1943-5533.0002272

Cited by 31 publications

(48 citation statements)

References 17 publications

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“…Similarly, Noaman et al. [13] stated that, the use of RHA in concrete can lead to increase in elastic properties of concrete, as a result, the v of BAC containing RHA increases.…”

Section: Resultsmentioning

confidence: 97%

“…In addition, Noaman et al. [13] reported that the Ec of BAC with RHA marginally grows with the increase in RHA replacement compared to the control may be due to the PE of the RHA.…”

Section: Resultsmentioning

confidence: 99%

“…[1] also reported that the fine particle of RHA shows greater pozzolanic activity and strength when it is used partially with cement. Many attempts have been made to produce and use RHA in concrete researches [7, 8, 10, 11, 12, 13]. It has been reported that concrete provides a notable microstructural changes due to its pozzolanic and filler action of RHA [10, 14].…”

Section: Introductionmentioning

confidence: 99%

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Comparative study of pozzolanic and filler effect of rice husk ash on the mechanical properties and microstructure of brick aggregate concrete

Noaman

Karim

Islam

2019

Heliyon

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The aim of this study was to investigate the pozzolanic effect (PE) and filler effect (FE) of rice husk ash (RHA) on the mechanical properties and microstructure of brick aggregate concrete (BAC). For this, concrete cylinders (100 mm × 200 mm) were prepared with 0–25% RHA with water-to-binder ratios of 0.50 at a constant mix-ratio of 1:1.5:3 and cured in water. Test results revealed that the mean particle size of RHA decreases with increasing grinding time. The compressive strength ( ) of BAC due to filler effect are 58.56–94.62% less compared to the pozzolanic effect of RHA for the 10%–25% replacement of cement. Meanwhile, the 15% RHA showed the maximum of BAC due to pozzolanic effect of RHA. The tensile strength ( ) and flexural strength ( ) of BAC due to pozzolanic effect are 60%–150% and 25%–150% higher than that of filler effect of RHA for the 10%–25% replacement of cement respectively. The modulus of elasticity ( ) and Poisson's ratio ) of BAC due to pozzolanic effect are 2%–29% and 27%–43% greater than that of filler effect of RHA for the 10%–25% replacement of cement respectively. BAC with 10–20% RHA shows a dense and homogeneous microstructure. Therefore, inclusion of RHA as a partial replacement of cement possesses a significant pozzolanic effect than the filler effect on the mechanical properties and microstructure of BAC.

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“…Similarly, Noaman et al. [13] stated that, the use of RHA in concrete can lead to increase in elastic properties of concrete, as a result, the v of BAC containing RHA increases.…”

Section: Resultsmentioning

confidence: 97%

“…In addition, Noaman et al. [13] reported that the Ec of BAC with RHA marginally grows with the increase in RHA replacement compared to the control may be due to the PE of the RHA.…”

Section: Resultsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

Comparative study of pozzolanic and filler effect of rice husk ash on the mechanical properties and microstructure of brick aggregate concrete

Noaman

Karim

Islam

2019

Heliyon

Self Cite

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“…Os resultados dos testes indicaram a relação positiva entre 15% -20% de reposição de CCA, devido à sua maior superfície específica. Mehta (1983) e Noaman et al (2018) constataram que o aumento da resistência com a incorporação da CCA, após 28 dias de cura é devido a reação pozolânica do resíduo que produz um "gel" de C-S-H adicional ao concreto. Verificaram também que essa propriedade cresce consideravelmente com o aumento do teor de CCA.…”

Section: Resultados E Discussõesunclassified

“…A presença de uma região alargada para o difratograma (0h) em torno de 2θ = 22º corresponde à fração amorfa da cinza da casca de arroz -SiO 2 amorfo. De acordo com Noaman et al (2018) a sílica contida nas cinzas sem moagem (0h) possui frações cristalinas e amorfas. Para o difratograma das cinzas moídas, observa-se um estreitamento do pico da cristobalita quando comparado com o resíduo sem moagem (0h), demonstrando que a sílica cristalina das amostras moídas está presente em uma menor proporção.…”

Section: Materials E Métodos Materiaisunclassified

Reaproveitamento de cinza de casca de arroz e PP- pós consumo

Correa

Guimarães

Santana

et al. 2020

R. Eletr. Cient. da Uergs

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A incorporação da cinza de casca de arroz (CCA) está se popularizando devido à crescente conscientização sobre os impactos ambientais resultantes da alta produção de cimento Portland comum. É a característica deste resíduo apresentar alto teor de sílica (SiO2). Uma outra problemática é a grande produção de embalagens alimentícias de polipropileno (PP) que são descartadas após o consumo sem o destino adequado, sendo que estes materiais levam centenas de anos para se degradar. Este artigo analisa as potencialidades da substituição em diferentes teores de cimento pela CCA e da areia pelo PP para a produção de um concreto sustentável. As propriedades mecânicas do concreto são estudadas como parte deste trabalho e o traço foi calculado para produzir um concreto de resistência mecânica de 40MPa para ser utilizado como referência para os demais traços. Os ensaios de resistência à compressão axial, diametral e módulo de elasticidade foi avaliado aos 28 e 90 dias de cura úmida. O uso destes resíduos apresentaram resultados semelhantes ao do concreto de referência, para todas as propriedades avaliadas, podendo-se concluir que com o estudo de traços de diferentes teores destes resíduos pode-se atingir um concreto com bom desempenho mecânico e reduzindo o consumo de cimento e da areia, que é uma matéria prima não renovável.

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A comparative study between brick and stone aggregate concrete using rice husk ash as partial cement replacement

Bhowmik

Pal

2022

Materialwissenschaft Werkst

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Today's world cannot be imagined without the application of concrete. Although as a constituent of concrete stone aggregate is mostly used, there are certain areas on this earth where it is scarcely available which leads to the use of brick aggregate. Moreover, as supplementary cementitious material, use of rice husk ash is beneficial to our environment. So, the study presents the possibility of using the brick aggregate and rice husk ash to the possible extent in making concrete by comparing stone and brick aggregate concrete, with rice husk ash as partial cement replacement. The specimens were prepared using water to binder ratios varying from 0.38 to 0.54. Properties of fresh and hardened concrete were measured using different tests on the specimens.The results of the mechanical tests were also co-related with the microscopic image studies.This study finds that for a higher grade of concrete optimum rice husk ash replacement varies between 5 % to 10 % and for lower grade of concrete the rice husk ash replacement varies between 10 % to 15 %. The study also shows that using rice husk ash, brick aggregate concrete exhibits better improvement in comparison to stone aggregate concrete.

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Mechanical Properties of Brick Aggregate Concrete Containing Rice Husk Ash as a Partial Replacement of Cement

Cited by 31 publications

References 17 publications

Comparative study of pozzolanic and filler effect of rice husk ash on the mechanical properties and microstructure of brick aggregate concrete

Comparative study of pozzolanic and filler effect of rice husk ash on the mechanical properties and microstructure of brick aggregate concrete

Reaproveitamento de cinza de casca de arroz e PP- pós consumo

A comparative study between brick and stone aggregate concrete using rice husk ash as partial cement replacement

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