An unsymmetrical parabolic curve has a forward tangent of -8% and a back tangent of +5%. The length of the curve on the left side (P.C.) is 60 m and the vertex is at elevation of 100 m. The elevation of the road just below the vertex is 97.3. Calculate the total length of the unsymmetrical curve.

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
Problem 21P
icon
Related questions
Question

An unsymmetrical parabolic curve has a forward
tangent of -8% and a back tangent of +5%. The
length of the curve on the left side (P.C.) is
60 m and the vertex is at elevation of 100 m.
The elevation of the road just below the vertex
is 97.3. Calculate the total length of the
unsymmetrical curve. 

Expert Solution
steps

Step by step

Solved in 2 steps

Blurred answer
Recommended textbooks for you
Traffic and Highway Engineering
Traffic and Highway Engineering
Civil Engineering
ISBN:
9781305156241
Author:
Garber, Nicholas J.
Publisher:
Cengage Learning
Principles of Geotechnical Engineering (MindTap C…
Principles of Geotechnical Engineering (MindTap C…
Civil Engineering
ISBN:
9781305970939
Author:
Braja M. Das, Khaled Sobhan
Publisher:
Cengage Learning
Fundamentals of Geotechnical Engineering (MindTap…
Fundamentals of Geotechnical Engineering (MindTap…
Civil Engineering
ISBN:
9781305635180
Author:
Braja M. Das, Nagaratnam Sivakugan
Publisher:
Cengage Learning