Journal
TECHNOLOGIES
Volume 10, Issue 4, Pages -Publisher
MDPI
DOI: 10.3390/technologies10040080
Keywords
bridges; polyethylene glycol 600; self-curing concrete; cost analysis; road pavements
Categories
Funding
- Wollega University, College of Engineering & Technology, Nekemte, Ethiopia [WD/183,574/R.C-26]
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The self-curing process is considered a better alternative for concrete structures in Ethiopia due to the scarcity of water. Polyethylene Glycol (PEG) 600 was studied as a substitute, and its significant results for self-curing concrete were confirmed through testing.
In this paper, the self-curing process was considered and found to be a better alternative to the conventional curing process for concrete structures in Ethiopia. It is well known that water plays a significant role in the curing process of preparing concrete in the construction industry. A good quality water is required for the conventional curing process, but that is scarce in Ethiopia. Curing concrete for bridges and roads is difficult in Ethiopia due to the poor quality and scarcity of water. In this study, Polyethylene Glycol (PEG) 600, a self-curing process, is considered as an alternative. Using the M40 Grade mix, four different percentages of PEG-600, 0.0, 0.5, 1.0, and 1.5 of cement weight, were studied, and the specimens were tested. Here, M40 grade stands for a concrete mix with a characteristic compressive strength of 40 N/mm(2), i.e., 40 Newton per square millimeter. Additionally, the mechanical strengths and properties of both conventional and self-cured processed concretes were calculated and compared. The present investigation concludes that PEG 600 offers significant results for self-curing concrete. The study procedure, results, and recommendations are presented in the text of the paper.
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