Preparation and Properties of Sustainable Concrete Using Activated Sludge of Industrial By-Products

Young-Yeop Kim, Hyun-Min Yang and Han-Seung Lee
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Young-Yeop Kim: Department of Architectural Engineering, Hanyang University, 1271 Sa 3-dong, Sangnok-gu, Ansan 15588, Korea
Hyun-Min Yang: Innovative Durable Building and Infrastructure Research Center, Department of Architectural Engineering, Hanyang University, 1271 Sa 3-dong, Sangnok-gu, Ansan 15588, Korea
Han-Seung Lee: Department of Architectural Engineering, Hanyang University, 1271 Sa 3-dong, Sangnok-gu, Ansan 15588, Korea

Sustainability, 2021, vol. 13, issue 9, 1-13

Abstract: Industrial sludge byproducts contain CaO, SiO 2 , Al 2 O 3 , etc. When industrial sludge is used in ready-mixed concrete, the performance of the concrete can be enhanced due to the hydration reaction. In the present study, activated sludge was used to prepare ready-mixed concrete, and its durability performance was evaluated. Once the activated sludge was used, the durability of the concrete improved. Therefore, it is suggested that activated sludge can be used in concrete mix as an admixture.

Keywords: activated sludge; industrial byproduct; desulfurization gypsum; recycled water; ready-mixed concrete; durability of concrete (search for similar items in EconPapers)
JEL-codes: O13 Q Q0 Q2 Q3 Q5 Q56 (search for similar items in EconPapers)
Date: 2021
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