6. The two tangents of a horizontal curve intersect 3000 ft. beyond Station 10+00. The back tangent has a bearing of N 45°00'00" W and the forward tangent has a bearing of N15°00'00" E. The decision has been made to design a 2000 ft radius horizontal curve between the two tangents. Forward tangent N 15°00'00" E P.I. P.T. 3000' P.C. / R=2000' 10+00 Back tangent N 45°00'00" W Determine the following: a. What is the length of the curve? b. What is the degree of the curve? c. What is the station of the PT? d. What is the long chord distance? e. What is the middle ordinate? f. Deflection angle and chord length to the first even 100 ft. station

Traffic and Highway Engineering
5th Edition
ISBN:9781305156241
Author:Garber, Nicholas J.
Publisher:Garber, Nicholas J.
Chapter15: Geometric Design Of Highway Facilities
Section: Chapter Questions
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6. The two tangents of a horizontal curve intersect 3000 ft. beyond Station 10+00. The back
tangent has a bearing of N 45°00'00" W and the forward tangent has a bearing of N15°00'00"
E. The decision has been made to design a 2000 ft radius horizontal curve between the two
tangents.
Forward tangent
N 15°00'00" E
P.I.
P.T.
3000'
P.C.
/ R=2000'
10+00
Back tangent
N 45°00'00" W
Determine the following:
a. What is the length of the curve?
b. What is the degree of the curve?
c. What is the station of the PT?
d. What is the long chord distance?
e. What is the middle ordinate?
f. Deflection angle and chord length to the first even 100 ft. station
Transcribed Image Text:6. The two tangents of a horizontal curve intersect 3000 ft. beyond Station 10+00. The back tangent has a bearing of N 45°00'00" W and the forward tangent has a bearing of N15°00'00" E. The decision has been made to design a 2000 ft radius horizontal curve between the two tangents. Forward tangent N 15°00'00" E P.I. P.T. 3000' P.C. / R=2000' 10+00 Back tangent N 45°00'00" W Determine the following: a. What is the length of the curve? b. What is the degree of the curve? c. What is the station of the PT? d. What is the long chord distance? e. What is the middle ordinate? f. Deflection angle and chord length to the first even 100 ft. station
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