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A stretch of the A90 in Scotland now has an innovative thin layer wearing course featuring PMB.
A new Scottish specification for stone mastic asphalt could help with some of the durability issues sometimes experienced in the UK
An alternative specification for stone mastic asphalt has been used on the A90 in Scotland, with tests suggesting that the material will be more durable than thin surfacing produced under the standard UK specification, Clause 942 of the Specification for Highway works.
Leiths offered an alternative, a material that would meet all of the contract requirements Plus also meet TS 2010. “It was decided to proceed with two SMA mixes, a 10mm and a 6mm using local granite aggregates of PSV56, laid to a target thickness of 35mm,” Neil Anderson, technical director of Leiths Group, says. For the polymer modified bitumen Leiths used Nynas Nypol 103, a highly modified elastomeric binder which demonstrates substantial resistance to deformation and cracking.
Read the entire article in World Highways
Flash update on IEC 60296:2020. The new international standard governing the handling of unused and recycled mineral insulating oils is now in force. Find out what it means for you and your operation, on June 25 in a short information session which will give you the essential update you need.Read more about Flash Update: all you need to know about IEC 60296 Ed 5 (2020)
Södertörn's District Court today approved an extension of Nynas AB’s company reorganisation for another three months, until September 15, 2020.Read more about Approved extension of Nynas reorganisation