Same design as described in #3.9. Use two methods to find the elevation of PVT. (Note: Method 1 uses the straight gradeline; Method 2 uses the vertical curve) 3.9 An equal-tangent crest curve connects a +2% initialgrade with a -1% final grade, and is designed for 55mi/h. The station of the PVI is 233 + 40 with elevation1203 ft. What is the elevation of the curve at station 234+00?

Given data: Intial grade=+2% Final grade=-1% Speed on the curve=55 mi/h Station of PVI=233+40…

3.9 An equal-tangent crest curve connects a +2% initia grade with a -1% final grade, and is designed for 55 mi/h. The station of the PVI is 233 + 40 with elevation 1203 ft. What is the elevation of the curve at station 234 +00?

3.9 An equal-tangent crest curve connects a +2% initia grade with a -1% final grade, and is designed for 55 mi/h. The station of the PVI is 233 + 40 with elevation 1203 ft. What is the elevation of the curve at station 234 +00?

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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Drainage of Pavements

Pavement Drainage holds ample significance, as it prevents the accumulation of water or any liquid on the surface of pavements and ensures proper drainage system. With proper design and gradual slopes provided, the water gets easily removed from the surface into the drains, which are essential during heavy rains and unusual weather conditions keeping it less prone to accidents and increasing the durability of the pavement structure.

Question

Same design as described in #3.9. Use two methods to find the elevation of PVT. (Note: Method 1 uses the straight gradeline; Method 2 uses the vertical curve)

3.9 An equal-tangent crest curve connects a +2% initial
grade with a -1% final grade, and is designed for 55
mi/h. The station of the PVI is 233 + 40 with elevation
1203 ft. What is the elevation of the curve at station 234
+00?

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