Tabulate station elevations for an equal- tangent parabolic curve for the data given and check the table by second differences when working in English units. 25.4* A -2.50% grade meets a +1.75% grade at station 44+25 and elevation 3386.96 ft, 400-ft curve, stakeout at half stations. 1.75 +2.50 r = = 1.0625 4 BVC Station = 42+25.00 BVC Elevation = 3391.96
Tabulate station elevations for an equal- tangent parabolic curve for the data given and check the table by second differences when working in English units. 25.4* A -2.50% grade meets a +1.75% grade at station 44+25 and elevation 3386.96 ft, 400-ft curve, stakeout at half stations. 1.75 +2.50 r = = 1.0625 4 BVC Station = 42+25.00 BVC Elevation = 3391.96
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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