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Transportation during the Renaissance?
There are a lot of variables that effect the life of asphalt parking lots. You need to know what type of vehicles will use parking lot, light automobiles,construction equipment, heavy trucks? Also what kind of base is beneath the asphalt? How thick is the asphalt? The thicker the better and better if the the thickness was built up by laying down several layers of asphalt to achieve the final thickness. Will the asphalt be sealed on a yearly basis? Sealing will help prolong the life by filling cracks keeping moisture from seeping under the asphalt which can freeze and cause damage to the asphalt. A parking lot used for light car use and maintained well could possibly last at least 20 or more years. But a parking lot used for heavy equipt. or heavy truck traffic may need to be overlayed or replaced every couple of years.there is no such thing as asphalt concrete.
In 1892 the first automobile was imported to India. What number did its license plate hold?
asphalt is a black tar type materiel. concrete is cement greyish-white a different substance. concrete will last 10 times longer. Asphalt==the hotter it gets the softer it gets and could if on angle slide off in future of global-warming.UK citizens: How much tax per liter of petrol do you pay, and where does the tax money go?
There are a lot of variables involved in determining the life expectancy of bituminous concrete (asphalt) starting with the sub-grade. That's the ground below the aggregate base (gravel) that is below the pavement. If the sub-grade is bad then the aggregate base won't be densified enough to support the loading of the vehicular traffic. As stated previously, the thickness of the pavement is also a factor. The grade of asphalt (mix design) as well as many other considerations will affect the life of the pavement. Without making an investigation it would be very difficult to put a time before replacement would be necessary.More Questions & Answers ...
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