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1. A 1600 ft long sag vertical curve (equal tangent) has a PVC at station 120+00 and elevation 1500 ft. The initial grade is -3.5% and the final grade is +6.5%. Determine the elevation and stationing of the low point, PVI and PVT. 2 A 500 A

1. A 1600 ft long sag vertical curve (equal tangent) has a PVC at station 120+00 and elevation 1500 ft. The initial grade is -3.5% and the final grade is +6.5%. Determine the elevation and stationing of the low point, PVI and PVT. 2 A 500 A

Structural Analysis
Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Practice Problems.pdf t Practice Problems.pdf (201 KB) 1. A 1600 ft long sag vertical curve (equal tangent) has a PVC at station 120+00 and elevation 1500 ft. The initial grade is -3.5% and the final grade is +6.5%. Determine the elevation and stationing of the low point, PVI and PVT. 2. A 500 ft long equal-tangent crest vertical curve connects tangents that intersect at station 340+00 and elevation 1322 ft. The initial grade is +4.0% and the final grade is -2.5%. Determine the elevation and stationing if the high point, PVC, and P.VT. 3. A +5.1% grade intersects a -2.8% grade at station 68+70 at elevation of 327.50 ft. Calculate the centerline elevation for every 100 feet and station for a 500 feet vertical curve. % 4. The preliminary design of a vertical curve shows the following elements: G1=-4.2%, G2=+1.6%, Station PVI= 16+70, Elevation PVI=608.99', and Design Speed-60 mph Find: a. The minimum length of the curve & 7 O C
Transcribed Image Text:Practice Problems.pdf t Practice Problems.pdf (201 KB) 1. A 1600 ft long sag vertical curve (equal tangent) has a PVC at station 120+00 and elevation 1500 ft. The initial grade is -3.5% and the final grade is +6.5%. Determine the elevation and stationing of the low point, PVI and PVT. 2. A 500 ft long equal-tangent crest vertical curve connects tangents that intersect at station 340+00 and elevation 1322 ft. The initial grade is +4.0% and the final grade is -2.5%. Determine the elevation and stationing if the high point, PVC, and P.VT. 3. A +5.1% grade intersects a -2.8% grade at station 68+70 at elevation of 327.50 ft. Calculate the centerline elevation for every 100 feet and station for a 500 feet vertical curve. % 4. The preliminary design of a vertical curve shows the following elements: G1=-4.2%, G2=+1.6%, Station PVI= 16+70, Elevation PVI=608.99', and Design Speed-60 mph Find: a. The minimum length of the curve & 7 O C
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