Abstract
Waste management has become an issue of increasing concern worldwide. These products are filling landfills and reducing the amount of livable space. Leachate produced from landfills contaminates the surrounding environment. The conventional incineration process releases toxic airborne fumes into the atmosphere. Researchers are working continuously to explore sustainable ways to manage and recycle waste materials. Recycling and reuse are the most efficient methods in waste management. The pavement industry is one promising sector, as different sorts of waste are being recycled into asphalt concrete and bitumen. This paper provides an overview of some promising waste products like high-density polyethylene, marble quarry waste, building demolition waste, ground tire rubber, cooking oil, palm oil fuel ash, coconut, sisal, cellulose and polyester fiber, starch, plastic bottles, waste glass, waste brick, waste ceramic, waste fly ash, and cigarette butts, and their use in asphalt concrete and bitumen. Many experts have investigated these waste materials and tried to find ways to use this waste for asphalt concrete and bitumen. In this paper, the outcomes from some significant research have been analyzed, and the scope for further investigation is discussed.
Highlights
A million tons of waste are generated each day around the world
The asphalt concrete mixmix cancan be be classified into two major categories based on the gradation of the aggregates: hot mix asphalt (HMA)
Recycling waste materials in asphalt concrete can largely contribute to the sector of waste
Summary
A million tons of waste are generated each day around the world. Landfills are used to dump most of this waste. The retrieval of materials and energy from waste materials has received attention, with the aim of finding a sustainable solution to reduce the exploitation of natural resources and reduce landfill usage, [5]. Researchers from various organizations have explored different types of waste materials with green material technologies to reduce environmental impacts different types of waste materials with green material technologies to reduce environmental impacts and recycle waste in the construction industry [4,8,9,10]. Roads andand highways areare a critical sector forfor asset management worldwide. 350,000 km ofkm surfaced road, and over 10over million tons tons of asphalt concrete per annum [12,13].
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