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The Times of India
The Times of India
World
TOI World Desk

Steel Slag Road Holds Grip: Spanish trial keeps skid resistance high; drainage still needs study

A road surface that was built with waste from steelmaking was still in good condition after three years of use in Spain, with the project using porous asphalt that contained up to 10% ladle furnace slag, a by-product of steel production. Trial measurements found that the surface retained a skid-resistance score above 70, while visual inspections found no significant damage.

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