A grade of -4.2% grade intersects a grade of +3.0% at Station 11 + 488.00 of elevations 20.80 meters. These two center gradelines are to be connected by a 260 meter vertical parabolic curve. If the overall outside dimensions of the reinforced concrete pipe to be installed is 95 cm, and the top of the culvert is 30 cm below the subgrade, what will be the invert elevation at the center? (A) 25.76 m (B) 22.15 m c) 27.32 m D) 21.83 m
A grade of -4.2% grade intersects a grade of +3.0% at Station 11 + 488.00 of elevations 20.80 meters. These two center gradelines are to be connected by a 260 meter vertical parabolic curve. If the overall outside dimensions of the reinforced concrete pipe to be installed is 95 cm, and the top of the culvert is 30 cm below the subgrade, what will be the invert elevation at the center? (A) 25.76 m (B) 22.15 m c) 27.32 m D) 21.83 m
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Transcribed Image Text:A grade of -4.2% grade intersects a grade of +3.0% at Station 11 + 488.00 of elevations 20.80 meters. These two center gradelines
are to be connected by a 260 meter vertical parabolic curve. If the overall outside dimensions of the reinforced concrete pipe to be
installed is 95 cm, and the top of the culvert is 30 cm below the subgrade, what will be the invert elevation at the center?
(A) 25.76 m
(B) 22.15 m
c) 27.32 m
D) 21.83 m
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