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Updated: Dec 9, 2025

The Effect of Construction and Demolition Waste Plastic Fractions on Wood-Polymer Composite Properties

The Effect of Construction and Demolition Waste Plastic Fractions on Wood-Polymer Composite Properties

Published on: June 7, 2020

Recycling waste plastics in roads: A life-cycle assessment study using primary data.

J Santos¹, A Pham², P Stasinopoulos²

¹Department of Construction Management and Engineering, University of Twente, Enschede, the Netherlands.

The Science of the Total Environment

|September 5, 2020

Summary

This summary is machine-generated.

Recycling waste plastics into asphalt additives or aggregate replacements offers environmental benefits. This study found recycled plastic asphalt potentially more eco-friendly than virgin materials for road construction.

Keywords:

Asphalt pavements Bitumen Life cycle assessment Sustainability Waste plastics

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Area of Science:

Environmental Science
Materials Science
Civil Engineering

Background:

Waste plastics pose significant environmental challenges.
Sustainable construction materials are in high demand.
Recycled materials offer potential for resource conservation.

Purpose of the Study:

To evaluate the environmental impact of using recycled plastic in asphalt mixes.
To compare the life cycle assessment (LCA) of recycled plastic asphalt with conventional asphalt.
To assess the viability of waste plastic conversion into asphalt components.

Main Methods:

Life Cycle Assessment (LCA) methodology.
Data collection from Victorian recycling facilities, Australia.
Comparative analysis of wet and dry methods for plastic recycling in asphalt.

Main Results:

Recycled plastic as a polymer additive (wet method) shows environmental advantages.
Recycled plastic as a synthetic aggregate (dry method) also presents environmental benefits.
The use of recycled plastic in asphalt mixes is potentially more environmentally favorable than virgin materials.

Conclusions:

Recycling waste plastics into asphalt components is an environmentally promising approach.
The study supports the use of recycled plastic in road construction for sustainability.
Further research can optimize processes for maximizing environmental gains.