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6. The following figure shows a two-lane road with curve 1 having a horizontal curve length of 1,850.00 ft and radius of 1,200.00 ft. Curve 2 has a horizontal curve length of 1,410.00 ft and a radius of 900.00 ft. The road has a design speed of 40 mph and the maximum superelevation is 6%. PC1 is at station 58+55.00 and PT2 is at station 92+15.00. Under these conditions, is this sequence of curves sufficiently designed (Hint: does it have non-overlapped tangent)? If they overlap under standard methods of superelevation placement, how much do they overlap? (20 pts) PC1 PT1 Curve 1 PT2 Curve 2 PC2

6. The following figure shows a two-lane road with curve 1 having a horizontal curve length of 1,850.00 ft and radius of 1,200.00 ft. Curve 2 has a horizontal curve length of 1,410.00 ft and a radius of 900.00 ft. The road has a design speed of 40 mph and the maximum superelevation is 6%. PC1 is at station 58+55.00 and PT2 is at station 92+15.00. Under these conditions, is this sequence of curves sufficiently designed (Hint: does it have non-overlapped tangent)? If they overlap under standard methods of superelevation placement, how much do they overlap? (20 pts) PC1 PT1 Curve 1 PT2 Curve 2 PC2

Structural Analysis
Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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6. The following figure shows a two-lane road with curve 1 having a horizontal curve length of 1,850.00 ft and radius of 1,200.00 ft. Curve 2 has a horizontal curve length of 1,410.00 ft and a radius of 900.00 ft. The road has a design speed of 40 mph and the maximum superelevation is 6%. PC1 is at station 58+55.00 and PT2 is at station 92+15.00. Under these conditions, is this sequence of curves sufficiently designed (Hint: does it have non-overlapped tangent)? If they overlap under standard methods of superelevation placement, how much do they overlap? (20 pts) PC1 PT1 Curve 1 PT2 Curve 2 PC2
Transcribed Image Text:6. The following figure shows a two-lane road with curve 1 having a horizontal curve length of 1,850.00 ft and radius of 1,200.00 ft. Curve 2 has a horizontal curve length of 1,410.00 ft and a radius of 900.00 ft. The road has a design speed of 40 mph and the maximum superelevation is 6%. PC1 is at station 58+55.00 and PT2 is at station 92+15.00. Under these conditions, is this sequence of curves sufficiently designed (Hint: does it have non-overlapped tangent)? If they overlap under standard methods of superelevation placement, how much do they overlap? (20 pts) PC1 PT1 Curve 1 PT2 Curve 2 PC2
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