Impact of Crumb Rubber Concentration and Plastic Coated Aggregates on the Rheological Performance of Modified Bitumen Asphalt

Arun Kumar, Parveen Berwal, Abdullah I. Al-Mansour, Mohammad Amir Khan, Shamshad Alam, Seongkwan Mark Lee, Akash Malik and Amjad Iqbal
Additional contact information
Arun Kumar: Department of Civil Engineering, Galgotias College, Greater Noida 201306, Uttar Pradesh, India
Parveen Berwal: Department of Civil Engineering, Galgotias College, Greater Noida 201306, Uttar Pradesh, India
Abdullah I. Al-Mansour: Department of Civil Engineering, College of Engineering, King Saud University, P.O. Box 800, Riyadh 11421, Saudi Arabia
Mohammad Amir Khan: Department of Civil Engineering, Galgotias College, Greater Noida 201306, Uttar Pradesh, India
Shamshad Alam: Department of Civil Engineering, College of Engineering, King Saud University, P.O. Box 800, Riyadh 11421, Saudi Arabia
Seongkwan Mark Lee: Research Institute of Korea Road Facilities Safety Industry Association, Seoul 04901, Korea
Akash Malik: Department of Civil Engineering, Galgotias University, Greater Noida 201306, Uttar Pradesh, India
Amjad Iqbal: Department of Advance Materials and Technologies, Faculty of Materials Engineering, Silesian University of Technology, 44-100 Gliwice, Poland

Sustainability, 2022, vol. 14, issue 7, 1-9

Abstract: The diminution of natural resource exploration, the retrieval of waste, and the structural modification of polymers by additives are the main contributions to sustainable development. The properties of bitumen are enhanced by the crumb rubber through effective bitumen modification techniques, which have environmental and economic advantages. In this study, plastic waste, plastic-coated aggregate (PCA), and bitumen were blended in order to enhance the engineering properties of the flexible pavement. In order to compute the composition of crumb rubber modified bitumen (CRMB), the adopted materials were subjected to the relevant experiments. PCA was a very effective material when compared to the standard bitumen road pavement. The recycling of waste crumb rubber and plastic was tested by adding them into the hot mix asphalt. The Marshall properties of standard (virgin) bituminous mix, CRMB grade 55, and plastic mix asphalt were studied in detail to explore the solutions for a sustainable environment. The comparison was performed between these two materials with the standard bitumen, which resulted in the CRMB and plastics being found as the most effective additions with robust properties such as low-cost material, high strength, long life usage, and un-harmful to nature. The optimal bitumen content was found to be 6.166%, 6.1%, and 5.833% for standard bitumen, crumb rubber modified bitumen, and plastic-coated aggregate, respectively.

Keywords: bitumen; flexible pavement; plastic coated aggregate; waste rubber; waste plastic (search for similar items in EconPapers)
JEL-codes: O13 Q Q0 Q2 Q3 Q5 Q56 (search for similar items in EconPapers)
Date: 2022
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