An underpass crossing a reinforced concrete bridge along the Shaw Blvd. has downward grade of -4% meeting an upward grade of +8% at the vertex (elev. 170 m) at Sta 7 + 700, exactly underneath the center of the bridge having a width of 10 m. The required minimum clearance under the bridge is 5 m and the elevation of the bottom of the bridge is 178.1. Determine the following: a. length of the parabolic curve that shall connect the two tangents b. the stationing where a catch basin will be placed c. the elevation where a catch basin will be placed
An underpass crossing a reinforced concrete bridge along the Shaw Blvd. has downward grade of -4% meeting an upward grade of +8% at the vertex (elev. 170 m) at Sta 7 + 700, exactly underneath the center of the bridge having a width of 10 m. The required minimum clearance under the bridge is 5 m and the elevation of the bottom of the bridge is 178.1. Determine the following: a. length of the parabolic curve that shall connect the two tangents b. the stationing where a catch basin will be placed c. the elevation where a catch basin will be placed
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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![An underpass crossing a reinforced concrete bridge along the Shaw Blvd. has
downward grade of -4% meeting an upward grade of +8% at the vertex (elev. 170 m) at
Sta 7 + 700, exactly underneath the center of the bridge having a width of 10 m. The
required minimum clearance under the bridge is 5 m and the elevation of the bottom of
the bridge is 178.1. Determine the following:
a. length of the parabolic curve that shall connect the two tangents
b. the stationing where a catch basin will be placed
c. the elevation where a catch basin will be placed
G&I:
PVC
Reg'di L₁
4/2
9₁ = -40%
sta m,
5n 5m
H
5m
el. m
AV
PVI
sta 7+700
½/₂
el. 178.1
92=8%
PVT
el. 170m](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F053177ac-b354-4f10-a273-54417052cc07%2Fb918025d-ca35-45f4-a208-9b4eed8f2524%2Foo9sl8_processed.jpeg&w=3840&q=75)
Transcribed Image Text:An underpass crossing a reinforced concrete bridge along the Shaw Blvd. has
downward grade of -4% meeting an upward grade of +8% at the vertex (elev. 170 m) at
Sta 7 + 700, exactly underneath the center of the bridge having a width of 10 m. The
required minimum clearance under the bridge is 5 m and the elevation of the bottom of
the bridge is 178.1. Determine the following:
a. length of the parabolic curve that shall connect the two tangents
b. the stationing where a catch basin will be placed
c. the elevation where a catch basin will be placed
G&I:
PVC
Reg'di L₁
4/2
9₁ = -40%
sta m,
5n 5m
H
5m
el. m
AV
PVI
sta 7+700
½/₂
el. 178.1
92=8%
PVT
el. 170m
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