An underpass crossing a reinforced concrete bridge has a downward grade of -4% meeting an upward grade of +8% at the vertex with elev. 76 m and stationing 7+766 exactly underneath the centerline of the bridge having a width of 10m. if the minimum required clearance under the bridge is 5m and the elevation at the bottom bridge is 78.16 m, determine the length of parabolic curve that shall connect the two gradelines.
An underpass crossing a reinforced concrete bridge has a downward grade of -4% meeting an upward grade of +8% at the vertex with elev. 76 m and stationing 7+766 exactly underneath the centerline of the bridge having a width of 10m. if the minimum required clearance under the bridge is 5m and the elevation at the bottom bridge is 78.16 m, determine the length of parabolic curve that shall connect the two gradelines.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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An underpass crossing a reinforced concrete bridge has a downward grade of -4% meeting an
upward grade of +8% at the vertex with elev. 76 m and stationing 7+766 exactly underneath the
centerline of the bridge having a width of 10m. if the minimum required clearance under the
bridge is 5m and the elevation at the bottom bridge is 78.16 m, determine the length of
parabolic curve that shall connect the two gradelines.
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