Using Urban Sewage Filtration Sludge for Producing Construction Material
Keywords:
urban sewage sludge, light concrete, concrete pressure resistance
Abstract
Management of sludge produced in urban sewage filtration plants is essential and inevitable due to great volume of water contamination with pathogens organic material and high expenses of such filtrations Purpose of this research is to evaluate the possibility of using urban sewage sludge in producing light concrete In order to conduct this study mouldswith dimensions of 15 x 15 x 15 cm were prepared In each series of production of light concrete samples dry sludge was taken from Ghods filtration plant and lime was added to the sludge 24 hours before making concrete samples in order to increase its pH to 12 and destroy microorganisms Sludge was used at the weight percentages of 0 10 20 30 40 and 50 of the cement and the produced concretes were tested for pressure resistance after being processed with the moisture caused from perspiration of the blocks at the ages of 7 28 and 90 days and determination of the specific gravity
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Published
2015-01-15
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This work is licensed under a Creative Commons Attribution 4.0 International License.