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A +3% grade intersects a -4% grade at STA 4+350 meter at an elevation of 190.50 meter. Given that a 250 meter symmetrical parabolic curve is used, find, draw and plot the elevation of the curve at every 20 meter interval starting at STA 4+240 meter including its critical point.

A +3% grade intersects a -4% grade at STA 4+350 meter at an elevation of 190.50 meter. Given that a 250 meter symmetrical parabolic curve is used, find, draw and plot the elevation of the curve at every 20 meter interval starting at STA 4+240 meter including its critical point.

Traffic and Highway Engineering
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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7.1 Highway Engineering: Highway Alignments and Earthworks (Read the notes)

A +3% grade intersects a -4% grade at STA 4+350 meter at an elevation of 190.50 meter. Given that a 250 meter symmetrical parabolic curve is used, find, draw and plot the elevation of the curve at every 20 meter interval starting at STA 4+240 meter including its critical point. Station Tangent Elevation Tangent Offset Curve Station Elevation Note: Show full Solution and complete the table provided The Critical points are PC, PT, PI, and Highest point Use 4 decimal Places and Do not copy in chegg Topic: Highway Alignment and Earthworks
Transcribed Image Text:A +3% grade intersects a -4% grade at STA 4+350 meter at an elevation of 190.50 meter. Given that a 250 meter symmetrical parabolic curve is used, find, draw and plot the elevation of the curve at every 20 meter interval starting at STA 4+240 meter including its critical point. Station Tangent Elevation Tangent Offset Curve Station Elevation Note: Show full Solution and complete the table provided The Critical points are PC, PT, PI, and Highest point Use 4 decimal Places and Do not copy in chegg Topic: Highway Alignment and Earthworks
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