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rob, Sun 1 Apr 2001, 1:00)
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To make roads more frost resistantrequires approximately 50% deeper foundation concrete and a thicker layer of asphalt that requires more frequent replacement which togther increase the cost of a road by about 20% per year to keep it within regulations. These factors combined make it uneconomical to keep any but the busiest and most inportant motorways "Cold Treated" in a country like this where snow and serious frost are a relatively uncommon phonenomena.
It's amazing the random stuff you learn when you're friends with a civil engineer. ;-)
(, Mon 25 Jan 2010, 17:06, Reply)
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