期刊
INTERNATIONAL JOURNAL OF SUSTAINABLE ENGINEERING
卷 13, 期 2, 页码 151-157出版社
TAYLOR & FRANCIS LTD
DOI: 10.1080/19397038.2019.1657981
关键词
Marble slurry; cementitious roofing tiles; waste management
资金
- National Research Centre [11070208]
This research deals with replacing proportions of cement and aggregate with Marble Waste Slurry (MWS) as a partial weight in cementitious roofing tiles production. The research is based on an experimental study of roofing tile specimens produced with ordinary Portland cement (OPC) replaced by 5%, 10%, 15%, 20% and 25% (MWS), and roofing tiles produced with sand replaced by 5%, 10%, 20%, 30% and 40% (MWS). The marble waste slurry was dried at a temperature of 200oC for 6 h.Physical and mechanical tests were performed to evaluate the performance of the green roofing tile specimens among which were: particle size distribution, water absorption, transverse breaking strength, compressive strength, permeability, freezing and thawing, as well as efflorescence investigations.For all mechanical tests conducted, roofing tile specimens containing MWS as a partial replacement for cement and sand were within the ASTM standard limits (ASTM C1492/2003 (Reapproved 2016) till 20% replacement ratio.All tile specimens containing Portland cement resulted in efflorescence.
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