A -3% grade meets a +5% grade near the underpass. In order to maintain the minimum clearance, allowed under the bridge and at the same time introduce a vertical transition curve in the grade line, it is necessa co use a curve that lies 200-meter on one side of the vertex of the straight grade and 100-meter on the other side The stationing of the beginning of the curve (200m side) is at 10+000 and its elevation is 228m. Determine the elevation at station 10+040. If the uphill edge of the underside of the bridge at station 10+220 is at elevation 229.206m, what is the vertical clearance under the bridge at this point? Determine the stationing of the lowest point of the curve.

Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
Section: Chapter Questions
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A -3% grade meets a +5% grade near the underpass. In order to maintain the minimum clearance,
allowed under the bridge and at the same time introduce a vertical transition curve in the grade line, it is necessary
to use a curve that lies 200-meter on one side of the vertex of the straight grade and 100-meter on the other side.
The stationing of the beginning of the curve (200m side) is at 10+000 and its elevation is 228m.
Determine the elevation at station 10+040.
If the uphill edge of the underside of the bridge at station 10+220 is at elevation 229.206m, what is the
vertical clearance under the bridge at this point?
Determine the stationing of the lowest point of the curve.
Transcribed Image Text:A -3% grade meets a +5% grade near the underpass. In order to maintain the minimum clearance, allowed under the bridge and at the same time introduce a vertical transition curve in the grade line, it is necessary to use a curve that lies 200-meter on one side of the vertex of the straight grade and 100-meter on the other side. The stationing of the beginning of the curve (200m side) is at 10+000 and its elevation is 228m. Determine the elevation at station 10+040. If the uphill edge of the underside of the bridge at station 10+220 is at elevation 229.206m, what is the vertical clearance under the bridge at this point? Determine the stationing of the lowest point of the curve.
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