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A vertical sag parabolic curve is to connect a -2 % grade to a + 3 % grade. The change in grade per 20-
A vertical sag parabolic curve is to connect a -2 % grade to a + 3 % grade. The change in grade per 20- meter station must be 0.2 %. The PVT of the curve is @ Station 25+ 325 and elevation 25.42 m. 1. What is the station of the PVC of the curve? 2. What is the length of the curve? 3. What is the elevation of the PVC of the curve?
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Elementary Surveying An Introduction to Geomatics
Authors: Charles D. Ghilani, Paul R. Wolf
13th Edition
978-0132554343, 132554348, 978-0273751441
