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Use of Concrete Waste from Industries as an Alternative Material for the Permeable Concrete Production

Authors:

B. A. S. R. Manuwansha ,

CINEC Campus, Millennium Drive, IT Park, Malabe, LK
About B. A. S. R.
Department of Civil Engineering, Faculty of Engineering and Technology
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T. A. N. Sugandika

CINEC Campus, Millennium Drive, IT Park, Malabe, LK
About T. A. N.
Department of Civil Engineering, Faculty of Engineering and Technology
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Abstract

Every year, tons of demolished concrete waste items dump into the environment from the construction industry. With this process, a massive environmental pollution occurs. Therefore, in this research, the main aim is to find a solution for this environmental pollution by recycling this waste products. The main objective is to recycle these concrete waste materials from industries to use as an alternative material for the production of permeable concrete by maintaining the recommended compressive strength and the recommended permeability. Permeable concrete can be used for the concreting of floor areas like car parks. It provides environmentally friendly way to drain storm water without flooding. For this research, cement to aggregate ratio was used 1:5 and 14mm to 20mm size natural coarse aggregate and concrete waste were used. The control sample was prepared using 100% aggregate. With total amount of aggregate weight 5%, 10%, 20%, 30%, 40% amounts were replaced with the waste concrete after preparing 14mm to 20mm size samples. The slump test, compressive strength test and the permeability tests were conducted. According the results of the 28 days compressive strength test, the control sample was obtained 7.423MPa strength but neither of any other sample could not reached this strength. However, the sample which replaced with the 10% of waste concrete with 90% natural coarse aggregate has obtained 88.683% strength compared to the control sample. According to the permeability results it shows that there will not have a great impact by using concrete waste as an alternative material in permeable concrete production. The results were varied between 15.8L/m2/s to 15.08L/m2/s.
How to Cite: Manuwansha BASR, Sugandika TAN. Use of Concrete Waste from Industries as an Alternative Material for the Permeable Concrete Production. CINEC Academic Journal. 2022;5(2):61–8. DOI: http://doi.org/10.4038/caj.v5i2.111
Published on 07 Sep 2022.
Peer Reviewed

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