Techno-Economic Analysis Of The Use Of Waste Polyethylene (Pure Water Sachet) As A Modifier For Bituminuous Road Construction In Nigeria
Journal Title: IOSR journal of Business and Management - Year 2018, Vol 20, Issue 4
Abstract
Recently, there has been an increase in the consumption of satchet water in Nigeria. However, the disposal of pure water satchets poses an environmental problem due to its non-biodegradability under a natural atmosphere. This study seeks to explore the potential prospects of using pure water sachet made of “Low Density Polyethylene” (LDPE) in improving the desirable properties of bitumen binder in asphalt mix in Nigeria. The materials collected were pure water sachets and bitumen. The desired properties of polyethylene modified and unmodified bitumen were investigated through specific gravity, penetration, viscosity, flash point and fire point tests, as well as pH determination. In addition, cost-benefit analysis was used to determine the economic worth of using modified and unmodified bitumen.Results showed the modified bitumen to possess improved desirable properties in stability, load bearing capacity, safety, ability to withstand heavy traffic, and cost effectiveness in road construction than unmodified bitumen. Furthermore, economic analysis showed that using polyethylene-modified bitumen in road construction leads to a saving of $500 and about 50% reduction in road maintenance cost per km, in comparison to using unmodified bitumen in road construction. The use of waste pure water sachet as a modifier in bituminous road construction has been found to economize, enhance road construction and also improve the pure water satchetwaste management in Nigeria.
Authors and Affiliations
Mojisola A. Bolarinwa, Paul O. Adeosunand Jennifer U. Egwuatu
Keywords
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- EP ID EP410265
- DOI 10.9790/487X-2004072231.
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