Performance Evaluation of Clay Plastic Concrete of Cement and Epoxy Resin Composite as a Sustainable Construction Material in the Durability Process

Sanaz Soltaninejad, Seyed Morteza Marandi () and Naveen Bp ()
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Sanaz Soltaninejad: Department of Civil Engineering, Shahid Bahonar University of Kerman, Kerman 7616913439, Iran
Seyed Morteza Marandi: Department of Civil Engineering, Shahid Bahonar University of Kerman, Kerman 7616913439, Iran
Naveen Bp: Department of Civil Engineering, Amity University Haryana, Gurugram 122412, India

Sustainability, 2023, vol. 15, issue 11, 1-32

Abstract: In this research, bentonite soil was stabilized with cement and epoxy resin additives by gradually increasing the ratio of epoxy resin to water to withstand six successive wetting/drying (W/D) cycles. Unconfined compressive strength (UCS) tests were performed on the stabilized samples after curing and 24 h of soaking in the third and sixth cycles. The swelling–shrinkage potential of bentonite soil was evaluated indirectly by analyzing its stress–strain behavior. The results showed that for different amounts of cement, the minimum ratio of epoxy resin to water added to bentonite soil to last up to six cycles was equal to 1:1. Also, by stabilizing the bentonite soil so that the total weight of the optimum moisture content was replaced with epoxy resin, the strength and rigidity attained the level of normal concrete, with the difference that the ductility was much more significant. The failure strain value increased by 32 times, and the plastic region of the stress–strain curve expanded over the wide strain interval with a length of about 5%. Clay plastic concrete design consisting of cement and epoxy resin develops sustainable ground improvement methods.

Keywords: clay plastic concrete; sustainable construction material; swelling–shrinkage; wetting-drying cycles; epoxy resin; toughness; soil stabilization (search for similar items in EconPapers)
JEL-codes: O13 Q Q0 Q2 Q3 Q5 Q56 (search for similar items in EconPapers)
Date: 2023
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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