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Utilization of locally produced waste in the production of sustainable mortar

Nasr, MS, Ali, IM, Hussein, AM, Shubbar, AAF, Kareem, QT and AbdulAmeer, AT Utilization of locally produced waste in the production of sustainable mortar. Case Studies in Construction Materials. ISSN 2214-5095 (Accepted)

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Abstract

Environmental pollution due to CO2 emissions from the cement industry and the depletion of the natural resources of the aggregate used in the concrete industry call for the need to find alternatives to reduce these harmful effects. Some of these alternatives include the use of supplementary cementitious materials and the reuse of wastes from other industries as cement and aggregate replacement materials. Thus, this study was conducted to investigate the possibility of using autoclaved aerated (cellular) concrete blocks waste powder (CCP) that is locally produced as a partial substitute for cement or sand in mortar. Seven mixtures were cast. Three of them made by the substitution of the cement with CCP passed from 0.075 mm sieve (5%, 10% and 15% by weight), and other three mixtures comprised the replacement of natural sand with CCP of size 0.15-0.075 mm (5%, 10% and 20% by weight). A reference mixture (without replacement) was also performed for comparison purposes. The mechanical and water absorption properties were examined. Results indicated that among all tests examined, a sustainable mortar was produced by the substitution of the cement or sand with 10% CCP with an enhancement in the compressive strength without significantly affecting other properties of the mortar.

Item Type: Article
Subjects: T Technology > TA Engineering (General). Civil engineering (General)
T Technology > TH Building construction
Divisions: Civil Engineering & Built Environment
Publisher: Elsevier BV
Date Deposited: 27 Nov 2020 12:32
Last Modified: 27 Nov 2020 12:45
DOI or Identification number: 10.1016/j.cscm.2020.e00464
URI: https://researchonline.ljmu.ac.uk/id/eprint/14094

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