MUMBAI: Maharashtra on Tuesday allowed the use of plastic waste, other than black plastic and PVC, in building asphalt roads.
The waste content for construction use will mostly include plastic carry bags. Every 100 kg of tar used to build asphalt roads will have three to six kg of plastic mixed in it. The move will not only save asphalt but will also help reuse plastic waste to reduce soil pollution.
“We will build 100 km roads this year using this formula. For next year, the target is of 1000 km,” said a senior PWD official. The move will not only save government’s money and decrease pollution but will also increase the durability or longevity of the roads by three years. “So there is less probability of you getting potholes during monsoon as all municipal corporations and councils will be able to do so,” the official added.
Apparently the government has decided to take the help of schools across the state wherein the students will help collect plastic bags and other plastic materials such as carry bags, sacks, milk pouches, bin lining, cosmetic and detergent bottles, bottle caps, household articles, and drinking water bottles. The central government has already taken such a decision besides a few other states in the country.
“Studies have revealed that waste plastics have great potential for use in bituminous construction as its addition in small doses, about 5-10%, by weight of bitumen helps in substantially improving the Marshall stability, strength, fatigue life and other desirable properties of bituminous mix, leading to improved longevity and pavement performance. The use of waste plastic thus contributes to construction of green roads,” said the central government guidelines.
Laboratory as well as field performance studies/investigations carried out in the country identified following advantages in using waste plastic in bituminous mixes. The benefits are; such roads will have Higher resistance to deformation, water induced damages, increase durability, strength and ultimately dispose of plastic waste in a larger quantity to save pollution.
Credits ET Realty