An underpass crossing a reinforced concrete bridge along the Shaw Blvd. hasdownward grade of -4% meeting an upward grade of +8% at the vertex (elev. 170 m) atSta 7 + 700, exactly underneath the center of the bridge having a width of 10 m. Therequired minimum clearance under the bridge is 5 m and the elevation of the bottom ofthe bridge is 178.1. Determine the following:a. length of the parabolic curve that shall connect the two tangentsb. the stationing where a catch basin will be placedc. the elevation where a catch basin will be placedG&I:PVCReg'd: L₁4/29₁ = -40%sta m,5n 5mH5mel. mAVPVIsta 7+700½/₂el. 178.192=8%PVTel. 170m

g1 = -4%g2 = 8%Sta (PVI) = 7 + 700 Elv (PVI) = 170 m

mum clearance under the bridge is 5 m and the elevation of the bottom 78.1. Determine the following: the parabolic curve that shall connect the two tangents ning where a catch basin will be placed ion where a catch basin will be placed L PVC 4/2 9₁ = -4⁰% 5n 5m H 5m L, sta m sta m, el. m Av PVI sta 7+700 1/2 dl.1 el. 178.1 32=8% PVT el. 1

mum clearance under the bridge is 5 m and the elevation of the bottom 78.1. Determine the following: the parabolic curve that shall connect the two tangents ning where a catch basin will be placed ion where a catch basin will be placed L PVC 4/2 9₁ = -4⁰% 5n 5m H 5m L, sta m sta m, el. m Av PVI sta 7+700 1/2 dl.1 el. 178.1 32=8% PVT el. 1

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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