10:39 Nov 21, 2008 |
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English language (monolingual) [PRO] Tech/Engineering - Geography / distance | |||||||
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SUMMARY OF ALL EXPLANATIONS PROVIDED | ||||
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5 -1 | the contour of the road |
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Discussion entries: 5 | |
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the contour of the road Explanation: the road is not flat, when you come into some corners the contour is raised to one side to enable a vehicle to travel around the corner at a higher speed. the measurement is 0.025Meters and this is called the contour or the road camber. This is the difference between the inside curb and the outside curb of the road in a corner. If the inside curb is at sea level, the outside curb is 0.025m higher -------------------------------------------------- Note added at 2 hrs (2008-11-21 13:01:22 GMT) -------------------------------------------------- if you don't alloy for contours you will not be able to go over hills for instance. winding contoured roads through mountains. maybe the 2 foot contour is a mistake. But it would not be unheard of, if the road is 4 - 6 lanes wide. most companies use meters in road building as it is simple to deal with in 10's units. and it doesn't have to be too specific. Internationally, mostly mountains are measured in Feet and so is altitude. -------------------------------------------------- Note added at 2 hrs (2008-11-21 13:19:30 GMT) -------------------------------------------------- Ken , how do you map terrain for roads with out calculating road contours? You could need 1million cubic mtrs of fill just to do contours in a 100klm section of road up a mountain. If you didn't calculate this you will be over budget on the job. any how you know best. |
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