Abstract
Across the globe, sustainable infrastructure development—in context of road networks, and recycling waste material and production—are the two predominant factors associated with the construction industry in making roads and developing transportation networks. Globally, millions of tons of basic hot mix asphalt are produced, which are being utilized to generate large volumes of the finished road material. This study deals with the method of modifying bitumen by adding a silicon mobile cover waste material in a cost-effective manner, that can yield improved characteristic properties to bitumen, in a sustainable way to save material, improve quality/performance and reduce costs. In this investigation, globally produced and used mobile silicon cover accessories were utilized as a partial replacement (at 10%, 20%, 30%, 40%, and 50%) with bitumen. A large quantity of used silicon phone covers are thrown in the garbage and dumped in grounds as a waste material worldwide. Modifying bitumen with up to 40% silicon, using a potentially viable waste available in large quantities, was proven to be stabilized according to ASTM Marshall Test criteria of stability (>9) and flow(within range 2–4) in road construction. The results of the investigation are promising, and the use of silicon waste could mark a significant impact on the economics of road construction industry for sustainable infrastructure development by saving bitumen, which is a costly resource.
Highlights
It has been observed that with rapid growth across the globe, the availability of materials required for development is declining
It may be concluded that utilization of such synthetic solid wastes in the road construction industry of developing countries shall provide an eco-friendly and cheaper road network, but a solution for disposal of this specific waste in a sustainable manner
It has been shown that the typical material properties of bitumen as a binder remain within the applied normal range as per ASTM standards
Summary
It has been observed that with rapid growth across the globe, the availability of materials required for development is declining. This shortfall of essential construction and developmental materials has induced a crisis, which has tended to prominently deteriorate and adversely affect the development infrastructure of many countries around the world. The means of cheap and convenient transportation for the efficient conveyance of goods in developing countries. The commonly used and major material utilized as a binder in the road construction industry is bitumen. Many ideas have been experimented with, and researchers have efficiently employed many waste materials such as polymer waste, crumb rubber tires of vehicles, ordinary plastic bottles and nylon wastes.
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