A sag Vertical curve has a profile elevations @ BC and at distance L/2 are 206 and 202.5 m respectively and the PI elevation is 200 m. Find the following elevation at. a) 0.25L b) 0.75L c) EC Find the Station and elevation of the lowest point.

A sag Vertical curve has a profile elevations @ BC and at distance L/2 are 206 and 202.5 m respectively and the PI elevation is 200 m. Find the following elevation at. a) 0.25L b) 0.75L c) EC Find the Station and elevation of the 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

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Question

A sag Vertical curve has a profile elevations @ BC and at distance L/2 are 206 and 202.5 m respectively and the PI elevation is 200 m.

Find the following elevation at.

a) 0.25L

b) 0.75L

c) EC

Find the Station and elevation of the lowest point.

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Step 1:The given data is:

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Step 2:Calculating elevation:

Step 3:a) 0.25L

Step 4:b) 0.75L

Step 5:c) EC

Step 6:the Station and elevation of the lowest point:

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