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Dr Manjari Chakraborty | Dr Rizwan Kazmi

ISBN:

978-81-180058-1-0

DOI:

14. Application of E-Waste Ceramics for Replacement of Fine and Coarse Aggregates in Rigid Pavements
Circular Economy in the Construction Industry: Waste Management Practices

Rajesh Gopinath | Arun Kumar N. | Jojy Joseph Idicula | A. Anthony Raj

DOI:

2026 | 337 pp.

The rising demand for white topping of roads is leading to unparalleled environmental contamination and the eventual exhaustion of the pertinent natural resources required in the laying of rigid pavements. This includes, essentially, the raw materials (fine and coarse aggregates) used in manufacturing concrete. Meanwhile, urbanization and industrialization are also causing enhanced production of E-waste ceramics, which eventually get dumped into hazardous landfills. E-waste ceramics are, however, non-reactive and non-biodegradable. In the current research, an attempt is made to resolve the aforementioned concerns by replacing both conventional coarse and fine aggregates (jelly stones and M-sand, respectively) with E-waste ceramics. The research methodology encompasses laboratory-based studies as per statutory IS codes and IRC norms. The combined % replacement was studied from 0–100%, and the results have confirmed 50% replacement as the finest, with flexural strength, compressive strength, and split tensile strength as 4.58, 42.85, and 8.57 N/mm2, respectively. Statistical validation with two-way ANOVA has also authenticated the findings. Even a 50% replacement whilst laying a 4-lane 1-km road requires the utilization of about 3990 tonnes of E-waste ceramics. This serves in the significant diversion of E-waste ceramics from landfills or littering and also reduces stress on new land requirements for hazardous landfills and maintenance costs for existing sites. Apart from economic gains, there would also be a benevolent depreciation in the cost of road construction by at least 12.19%. Overall, the direct-indirect negative bearing upon the natural environment would also witness a credible reduction. To summarize, the study successfully attempts to integrate a circular economy with sustainable road infrastructure.
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