2. There is a Vertical Curve with a length of 300 feet, a gl of -3.2%, a g2 of 1.8%, a PVI at station 30+30.00, at an elevation of 465.92. Determine the HP / LP and elevate all even 100 foot stations and the HP / LP.

2. There is a Vertical Curve with a length of 300 feet, a gl of -3.2%, a g2 of 1.8%, a PVI at station 30+30.00, at an elevation of 465.92. Determine the HP / LP and elevate all even 100 foot stations and the HP / LP.

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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Q4: A road is to be redesigned using a parabolic vertical curve to provide clearance beneath a bridge (see Figure below). The (PC OR PVC) has chainage 1140.00m, with an RL of 125.536m. A bridge at chainage 1300.00 has an RL = 128.5m at its lowest point. You must provide 4.5m clearance from the underside of the bridge, and the parabola will finish with a succeeding gradient, G 2=+3.6 %. G1= ? 3. Find the chainage and RL for the lowest point on the curve. (E PC Ch 1140 RL 125.536 G1= ? L =? Point PVC PVT Easting (m) 122.8 326.1 Here De bridkje Ah = 4.5 Northing (m) Ch 1300 RL 128.5 40.2 76.3 G2 = +3.6% RL = 124.00 PT Elevation 125.536 ?
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