2. An unsymmetrical parabolic curve has a forward tangent of -8% and back tangent of +5%. The length of curve on the left side is 40 m, while that of the right side is 60 m long. PC is at Sta 6+780 and at elevation 110.1 m. Determine the following: a) Value of the common grade b) Elevation at Sta 6+820 c) Station and elevation at the highest/lowest point

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 7P
icon
Related questions
Question
2. An unsymmetrical parabolic curve has a forward tangent of -8% and back
tangent of +5%. The length of curve on the left side is 40 m, while that of
the right side is 60 m long. PC is at Sta 6+780 and at elevation 110.1 m.
Determine the following:
a) Value of the common grade
b) Elevation at Sta 6+820
c) Station and elevation at the highest/lowest point
Transcribed Image Text:2. An unsymmetrical parabolic curve has a forward tangent of -8% and back tangent of +5%. The length of curve on the left side is 40 m, while that of the right side is 60 m long. PC is at Sta 6+780 and at elevation 110.1 m. Determine the following: a) Value of the common grade b) Elevation at Sta 6+820 c) Station and elevation at the highest/lowest point
Expert Solution
trending now

Trending now

This is a popular solution!

steps

Step by step

Solved in 2 steps with 2 images

Blurred answer
Knowledge Booster
Geometric design of highway facilities
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, civil-engineering and related others by exploring similar questions and additional content below.
Recommended textbooks for you
Traffic and Highway Engineering
Traffic and Highway Engineering
Civil Engineering
ISBN:
9781305156241
Author:
Garber, Nicholas J.
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
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