Problem 3 The vertex is at station 12 + 200 and elevation 35 m. It is required to connect the two tangents with an unsymmetrical vertical parabolic curve 162 m on the side of the back tangent and 127 m, an the side of the forward tangent. The curve must provide a vertical clearance of at least 4.82 m above the right curb of an underpass., the stationing of which is 12 +260 a) Determine the elevation of the curb. b) If the curb elevation is 22.64 m compute the length of curve on the side of the forward tangent in order to fulfill the requirement c) Compute the stationing of the highest point of the curve for the second condition.
Problem 3 The vertex is at station 12 + 200 and elevation 35 m. It is required to connect the two tangents with an unsymmetrical vertical parabolic curve 162 m on the side of the back tangent and 127 m, an the side of the forward tangent. The curve must provide a vertical clearance of at least 4.82 m above the right curb of an underpass., the stationing of which is 12 +260 a) Determine the elevation of the curb. b) If the curb elevation is 22.64 m compute the length of curve on the side of the forward tangent in order to fulfill the requirement c) Compute the stationing of the highest point of the curve for the second condition.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Transcribed Image Text:Problem 3
The vertex is at station 12 + 200 and elevation 35 m. It is required to connect the two tangents with an
unsymmetrical vertical parabolic curve 162 m on the side of the back tangent and 127 m, an the side of
the forward tangent. The curve must provide a vertical clearance of at least 4.82 m above the right curb
of an underpass., the stationing of which is 12 +260
a) Determine the elevation of the curb.
b) If the curb elevation is 22.64 m compute the length of curve on the side of the forward tangent
in order to fulfill the requirement
c)
Compute the stationing of the highest point of the curve for the second condition.
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