A 6' simple curve connects two tangents that intersect at an angle of 42". If the PC which is at station 26 + 179.55 is to be retained and a 4' curve is to connect the first curve with the second tangent that is shifted 20 meters to a parallel position outward. Use arc basis. Determine: 1. Stationing of old PT. 2. Stationing of the PCC. 3. Stationing of the new PT.

Traffic and Highway Engineering
5th Edition
ISBN:9781305156241
Author:Garber, Nicholas J.
Publisher:Garber, Nicholas J.
Chapter14: Highway Surveys And Location
Section: Chapter Questions
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1. Draw the figure or diagram. Round off the answer to two decimal places.
A 6' simple curve connects two tangents that intersect at an angle of 42'.
If the PC which is at station 26 + 179.55 is to be retained and a 4' curve is to connect
the first curve with the second tangent that is shifted 20 meters to a parallel position
outward. Use arc basis.
Determine:
1. Stationing of old PT.
2. Stationing of the PCC.
3. Stationing of the new PT.
Transcribed Image Text:A 6' simple curve connects two tangents that intersect at an angle of 42'. If the PC which is at station 26 + 179.55 is to be retained and a 4' curve is to connect the first curve with the second tangent that is shifted 20 meters to a parallel position outward. Use arc basis. Determine: 1. Stationing of old PT. 2. Stationing of the PCC. 3. Stationing of the new PT.
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