Most commented columbus day 2013 15/11 Now comes nest boxes on Danish roads 50 11/11 Pay Expert: Mo

While winter is leveling off, the Highway Department and municipal technical departments scrambling to gain an overview of the extent of damage to roads, columbus day 2013 while the current is rectified.
'Tar, which in ancient times was used as a binder in the mixture of aggregates, which are derived from coal tar, a carcinogen and is strictly prohibited. Today, the black binder bitumen coming from crude oil, "he said.
"It may be because you have softened binder. In the old days it was done with solvents such as turpentine or kerosene. Over the years, it is refined, and today it vegetable oil, for example. rape seed oil. When it has evaporated, the tarmac hard, "he explains.
"It is a high quality product, where asphalt is added elastomer olymer. The elasticity makes way resistant columbus day 2013 to rutting, when it gets hot. The polymer means that you have to reach higher temperatures before it goes wrong. At the same time prevents it that way becomes brittle when it gets cold, "says Erik Olesen.
"This is the way forward, you will make it more and more, and as traffic has increased over the last ten years have seen it used more and more places, typically on motorways and major state roads. Probably not on city streets. "
Send See also Punched highways is patched with stimulus package worth 2.7 billion. 12 November 2009 Frost Weather through holes worn paths of millions 05 January 2010 Punched winter roads means additional billion bill to municipalities 05 February 2010 Read also
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