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Development of Lightweight Energy-efficient Construction Blocks Incorporating Recycled Plastic and Alternative Materials

Year: 2026

Type: article

Abstract: This study presents the development and performance evaluation of lightweight energy-efficient construction blocks produced using recycled plastics and alternative mineral materials. The primary objective is to significantly reduce cement consumption and associated CO₂ emissions while maintaining adequate compressive strength and enhanced thermal insulation in accordance with European standards. The blocks were manufactured using river sand, crushed brick, basalt aggregate, volcanic ash, and shredded secondary plastics. Experimental results demonstrate that the developed blocks achieve a density of 500–650 kg/m³, compressive strength of 2.2–3.0 MPa, and thermal conductivity below 0.4 W/m·K. The findings confirm the feasibility of producing structurally reliable, thermally efficient, and environmentally sustainable masonry units with reduced cement content.

Source: Zenodo (CERN European Organization for Nuclear Research)

DOI: 10.5281/zenodo.18925020

Authors: Merab Baratashvili, Tornike Baratashvili

Institution: Akaki Tsereteli State University

Language: English

Topic: Recycling and utilization of industrial and municipal waste in materials production

Subfield: Building and Construction

Field: Engineering

Domain: Physical Sciences

SDGs: Responsible consumption and production, Industry, innovation and infrastructure, Climate action, Sustainable cities and communities

Open Access status: green

OpenAlex ID: W7134266668

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