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An interchange ramp is being designed to reach its high point after climbing for 2000 feet...

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Civil Engineering

An interchange ramp is being designed to reach its high pointafter climbing for 2000 feet with a grade of +6%.Use theDeceleration/acceleration curves to answer the following:

A.What is the critical length of grade for this ramp based onthe 10 mph speed reduction definition?

B.What would be the speed of a fully loaded truck at the top ofthe ramp if it enters the ramp at 60 mph?

C.If the ramp descends from its high point for a distance of1000ft at a rate of -1%, what would the speed of the truck in partB be at the bottom?

Answer & Explanation Solved by verified expert
3.9 Ratings (483 Votes)
Solution the values given in the question areas followsgrade of ramp6 OR6100350height of highest point on ramp fromstartingH2000 fta Calculate critical lengthof grade on ram when 10 Kmhr speed reductionreduction speed10    See Answer
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