Volumetric and mechanical properties of bituminous concrete mixes with the addition of polyethylene terephthalate

IF 6.5 2区工程技术 Q1 CONSTRUCTION & BUILDING TECHNOLOGY

Case Studies in Construction Materials Pub Date : 2025-07-04 DOI:10.1016/j.cscm.2025.e05013

Mukesh Saini , Praveen Aggarwal , Sameer Algburi , Abdullah Faiz Al Asmari , Parveen Berwal

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Abstract

Waste plastics, littered both by domestic and industrial sectors, have been identified as a potential source of raw material for flexible pavements. Hence, understanding the behavior of bituminous mixes incorporating plastic is crucial for effective pavement design. There is limited information about the properties of modified mixes containing waste plastic bottles made of polyethylene terephthalate (PET). In this study, the effects of PET on the volumetric and mechanical properties of bituminous concrete mixes were analyzed. Using a dry process, these characteristics were examined with different proportions of PET (ranging from 0 % to 14 % by weight of bitumen, in 2 % increments). The results demonstrate that the mechanical and volumetric properties of the bituminous mixes improved significantly, with the optimum PET content found to be 8 %. Incorporating PET into bituminous mixes is not only a sustainable and economical way to manage plastic waste, but it also enhances the performance of bituminous materials.

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掺有聚对苯二甲酸乙二醇酯的沥青混凝土的体积和力学性能

家庭和工业部门丢弃的废塑料已被确定为柔性路面原材料的潜在来源。因此，了解含有塑料的沥青混合料的行为对于有效的路面设计至关重要。关于含有由聚对苯二甲酸乙二醇酯（PET）制成的废塑料瓶的改性混合物的性能的信息有限。研究了PET对沥青混凝土混合料体积性能和力学性能的影响。使用干燥工艺，用不同比例的PET（沥青重量从0 %到14 %，增量为2 %）来检测这些特性。结果表明，PET掺量为8 %时，沥青混合料的力学性能和体积性能均有明显改善。在沥青混合料中掺入PET不仅是一种可持续的、经济的处理塑料废物的方法，而且还能提高沥青材料的性能。

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来源期刊

Case Studies in Construction Materials Multiple-

CiteScore

7.60

自引率

19.40%

发文量

842

审稿时长

63 days

期刊介绍： Case Studies in Construction Materials provides a forum for the rapid publication of short, structured Case Studies on construction materials. In addition, the journal also publishes related Short Communications, Full length research article and Comprehensive review papers (by invitation). The journal will provide an essential compendium of case studies for practicing engineers, designers, researchers and other practitioners who are interested in all aspects construction materials. The journal will publish new and novel case studies, but will also provide a forum for the publication of high quality descriptions of classic construction material problems and solutions.