India's first 6-lane highway constructed from steel slag inaugurated in Surat
Slag is a by-product of steel manufacturing; use of this in road construction shall not only increase its durability but also help in reducing construction cost as slag-based materials have better properties than natural aggregates
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Surat, June 16: Steel Minister Ram Chandra Prasad inaugurated India's first a six-lane highway made of steel slag in Surat, Gujarat. The road constructed using 100% steel-processed slag is a real example of converting 'waste into wealth' and improving sustainability of steel plants, the minister said.
Mukesh Kumar, Director of Steel Research & Technology Mission of India (SRTMI), said slag is a by-product which comes out during manufacturing of steel through 3 processes, namely basic oxygen furnace (BOF) route, electric arc furnace (EAF) and induction furnace (IF). "This is a breakthrough for the industry as far as utilisation of slag is concerned. Slag was being used only for only landfilling," he said.
"Steel Minister inaugurated the first six-lane highway road made by using steel slag at Surat, Gujrat. While inaugurating the road, the Minister impressed upon the need to promote the circular economy and resource efficiency by converting all waste into wealth," the Ministry of Steel said in a statement.
Slag is a by-product of steel manufacturing. The use of this in road construction shall not only increase its durability but also help in reducing the cost of construction as slag-based materials have better properties than natural aggregates, Singh said.
The production of steel slag in India from different process routes is likely to increase by 2030. Steel maker AMNS India said the 6-lane road of 1 kilometre was constructed using around 1 lakh tonnes of processed steel slag from its manufacturing plant in Hazira.
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The road has been jointly made with the Central Road Research Institute (CRRI) -- a laboratory of the Council of Scientific and Industrial Research (CSIR).
Mukesh Kumar, Director of Steel Research & Technology Mission of India (SRTMI), said slag is a by-product which comes out during manufacturing of steel through 3 processes, namely basic oxygen furnace (BOF) route, electric arc furnace (EAF) and induction furnace (IF). "This is a breakthrough for the industry as far as utilisation of slag is concerned. Slag was being used only for only landfilling," he said.