2019
DOI: 10.1016/j.asej.2019.07.008
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Influence of using dry and wet wastewater sludge in concrete mix on its physical and mechanical properties

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Cited by 37 publications
(17 citation statements)
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“…However, the addition of more than 20% showed weight loss in mass of brick specimen, which consequently degraded the strength properties. The results are similar with a previous research using dry sludge water treatment sludge towards the density (Rabie et al, 2019).…”
Section: Effect Of Wts In Density Of Bricksupporting
confidence: 91%
“…However, the addition of more than 20% showed weight loss in mass of brick specimen, which consequently degraded the strength properties. The results are similar with a previous research using dry sludge water treatment sludge towards the density (Rabie et al, 2019).…”
Section: Effect Of Wts In Density Of Bricksupporting
confidence: 91%
“…A utilização de teores de 10% leva a uma redução de cerca de 50% do abatimento do tronco do cone. RABIE et al [14], JAMSHIDI et al [15] e ALQEDRA et al [16] observaram que o emprego de lodos de estação de tratamento de esgoto in natura como substituição de areia geram a redução do abatimento do tronco de cone em 50%, quando comparado ao concreto referência, ao se usa um teor de 5% de substituição. Para teores maiores (10 -20%) essa mitigação da consistência varia de 50% a 53%.…”
Section: Resultados E Discussão 31 Consistênciaunclassified
“…Outro fator que colabora para a mitigação de água disponível na mistura é a matéria orgânica presente no lodo de ETA. Estes compostos aumentam a coesão das partículas devido a formação de coloides, que promovem uma viscosidade irregular do resíduo, aprisionando o solvente e impedindo que o mesmo esteja disponível para todo o concreto [14,15].…”
Section: Resultados E Discussão 31 Consistênciaunclassified
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“…The compression performance of concrete was explored by using three kinds of wastewater such as sewage water, groundwater, and potable water, Nikhil et al (30) deduced that concrete showed maximum compressive strength when drinking water used. Rabie et al (31) performed an experimental study on mechanical properties of concrete developed by using wet and dry sewage sludge observed that there was a minor difference in compressive strength values by replacing cement content with wastewater sludge at 5%, 10%, and 15% (by weight of cement content), but compressive strength beyond that percentage tends to decrease by 61.6% and 68.5%, correspondingly. Roychand et al (32) investigated the mechanical performance of concrete developed by using steel slag collected from civic wastewater effluent plant and reported that after substituting the coarse aggregate with steel slag aggregate, the compressive capacity increased by 18% and 16.8% at 7 and 28days curing, correspondingly.…”
Section: Introductionmentioning
confidence: 99%