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Utilization of E-Waste as Coarse Aggregates in Geopolymer Concrete

Utilization of E-Waste as Coarse Aggregates in Geopolymer Concrete

Parth Verma (Maulana Azad National Institute of Technology, India), Priyanka Dhurvey (Maulana Azad National Institute of Technology, India), and Chandra Prakash Gour (Maulana Azad National Institute of Technology, India)
Copyright: © 2023 |Pages: 15
DOI: 10.4018/978-1-6684-7573-7.ch012
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Abstract

E-waste is a general term for damaged, surplus, or excess electrical and electronic equipment. Due to quick technological advancement and inexpensive beginning costs, there is a rapidly expanding global surplus of e-waste. If not managed appropriately, the many sorts of compounds and chemicals included in e-waste can seriously harm both human health and the environment. Large volumes of e-waste may be recycled in the concrete sector, solving both the disposal and reuse issues. The most practical application of e-waste is thus thought to be recycling and reuse in the geopolymer concrete (GPC) industry. The experimental study is carried out to enhance the mechanical properties of the GPC (M30 Grade) with varies percentage e-waste replacement for coarse aggregates by casting cubes, cylinders, and beams. Also, an empirical regression-based model is also formulated for the evaluation of the strength of GPC at varying e-waste coarse aggregate (EWCA) percentages.
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Introduction

Deepak et al. (2019) has suggested that the geopolymer concrete technology makes it possible to successfully substitute cement as a binding agent with waste products from industry and agriculture that are high in aluminates and silicates. In addition, the cement and aggregate industries may cut their atmospheric CO2 emissions by over 80% by employing geopolymer technology as reported by Xie et al. (2019). Pouhet et al. (2016) has evaluated that the geopolymer concrete is gaining popularity as a sustainable construction material because it uses fly ash and metakaolin as binding agents in place of cement.

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