Abstract
The need to modify the conventional type flexible pavement came up because of the rising advancement in the commercial heavy vehicles and day by day increasing vehicle density in the roads. This has led to increase in frequent monitoring and regular maintenance work of the flexible pavements. Present paper primarily focuses on two aspects, firstly to increase the life expectancy of the roads and second to build flexible pavement roads sustainably. The use of various modifiers such as plastic, glass, rubber, waste oil and fly ash in conventional pavements were studied and found to provide a way to reduce the use of asphalt and get desired strength of the pavement as per the design requirements in the present study.
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