NHAI exploring to construct roads using Phosphor-Gypsum
Tags: National News
With an aim to reduce the carbon footprint, the Ministry of Road, Transport and Highways is exploring options for construction of national highways using phosphor-gypsum.
An overview of the news
The move is aimed at increasing durability and making construction more affordable.
India has the second largest road network in the world.
In this context, the National Highways Authority of India (NHAI) along with the Department of Fertilizers will soon conduct field trials on their projects to achieve a circular economy in the use of gypsum.
The move is in line with the government's commitment to use waste material in building ecologically sustainable National Highway infrastructure in the country.
What is Phosphor-Gypsum?
Phosphor-gypsum is a by-product of fertilizer production.
The phosphor-gypsum road was first constructed by an Indian fertilizer company.
Later the road was evaluated by CRRI (Central Road Research Institute) and based on their report, the Indian Roads Congress (IRC) formally recognized phosphor-gypsum waste material for road construction for a period of three years.
NHAI is also promoting the use of waste plastic in road construction, which has been successfully tested.
Scientific research has found that roads made using plastic waste are sustainable and extend the life cycle of bitumen (a substance produced through the distillation of crude oil).
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