Examination of the Physical–Mechanical Properties of Sustainable Self-Curing Concrete Using Crushed Ceramic, Volcanic Powder, and Polyethylene Glycol

Hassan M. Etman, Mohamed M. Yousry Elshikh, Mosbeh R. Kaloop (), Jong Wan Hu () and Ibrahim Abd ELMohsen
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Hassan M. Etman: Structural Engineering Department, Mansoura University, Mansoura 35516, Egypt
Mohamed M. Yousry Elshikh: Structural Engineering Department, Mansoura University, Mansoura 35516, Egypt
Mosbeh R. Kaloop: Public Works Engineering Department, Mansoura University, Mansoura 35516, Egypt
Jong Wan Hu: Department of Civil and Environmental Engineering, Incheon National University, Incheon 22012, Republic of Korea
Ibrahim Abd ELMohsen: Civil Engineering Department, Damietta University, New Damietta 34518, Egypt

Sustainability, 2024, vol. 16, issue 11, 1-25

Abstract: This study investigates the properties of sustainable self-curing concrete (SSC) by adding volcanic powder (VP), crushed ceramic (CC), and polyethylene glycol 6000 (PEG). VP and CC are prepared from volcanic ash, as a natural pozzolanic material, and construction waste, respectively. PEG is used as an inner-curing agent. Twenty-six concrete mixtures are prepared using VP at 5%, 10%, 15%, and 20%, CC at 50%, and PEG at 1%, 1.5%, and 2% and tested after 7, 28, and 56 days. Mechanical, workability, and durability characteristics are evaluated using different tests. The bond and cohesion between aggregates and mortar are tested using a scanning electron microscope (SEM). The results show that the optimum replacement mix for enhancing strengths, by producing C-S-H, of the studied SSC is 10% VP and 1.5% PEG. This improved the compressive, tensile, and flexural strengths of SSC by 54.5%, 60.7%, and 34.9%, respectively, compared to a reference mix. Adding CC enhances the compressive strength of SSC by 41.6% and 11.5% and decreases chloride penetration by 10% and 9.1% compared to control mixes. PEG improves the mechanical, workability, and durability characteristics of SSC even with the addition of 1%. The obtained results reveal the possibility of using VP and CC in producing SSC.

Keywords: self-curing concrete; concrete strength and resistance; volcanic powder; crushed ceramic; polyethylene glycol (search for similar items in EconPapers)
JEL-codes: O13 Q Q0 Q2 Q3 Q5 Q56 (search for similar items in EconPapers)
Date: 2024
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