Abstract
Disposal of plastic waste poses a serious threat nowadays. Effective solutions are required to reduce or eliminate this problem. One of these solutions is to use these materials in asphalt mixtures. PVC (Poly Vinyl Chloride) during melting has adhesive properties which can be used with asphalt to reduce the bitumen mixture costs. Investigation of physical characteristics of asphalt cement (40-50) mixed with PVC is presented in this paper. The main objective is to study the change in bitumen properties after mixing with PVC of percent (2.5, 5, 7.5, 10, 12 and 15) % by weight of bitumen. Penetration, ductility, loss on heating, softening point, flash and fire tests were conducted for each percent. It is concluded that penetration decreases by 62.8% on addition of 15% PVC. Ductility also drops when PVC dosage increases. Softening point increases when PVC dosage increases by 6 % for 15% PVC.
Highlights
There is an urgent requirement to improve the road performance in view of the increase in traffic volume on roads and overloading of transport vehicles along with an absence of effective legislation to protect the highways, and due to the significant difference in temperatures during day and night and across seasons
The Penetration values decrease significantly when (4050) bitumen is mixed with the modifier (PVC)
This study investigates the use of Poly Vinyl Chloride (PVC) with bitumen as additives to study the change in physical properties of (40-50) graded asphalt
Summary
There is an urgent requirement to improve the road performance in view of the increase in traffic volume on roads and overloading of transport vehicles along with an absence of effective legislation to protect the highways, and due to the significant difference in temperatures during day and night and across seasons. [1] In order to reduce pollution due to plastic waste an effective solution for recycling must be found One such solution is the use of plastic waste materials in flexible pavement mixture. This process can reduce the cost of construction. The use of plastic wastes with asphalt mixture in pavement construction is not a new work. Rahman et al [3] used two types of plastic waste, polyethylene and PVC to improve asphalt mixture properties using Marshall Mix design. Basis results of the tests, it was found that the plastic waste reduced to a thin size of fine particles, thin thickness resulted in developing stability of Marshall and water resistance to damage, and could solve environmental problems
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