A-3.2% grade meets a 8.3% grade at a vertex (El. 143.7m) directly under an overpass bridge having underside elevation of 159.64m. A 5.5 meters clearance under the bridge and the center of the curve was observed. Determine the elevation of the invert on center when its location from PC is 78.2m. The pipe has an outside diameter of 1 meters and a thickness of 61.2mm. The backfill is 1 meters in depth. The bridge is having a width of 13.2 meters.

A-3.2% grade meets a 8.3% grade at a vertex (El. 143.7m) directly under an overpass bridge having underside elevation of 159.64m. A 5.5 meters clearance under the bridge and the center of the curve was observed. Determine the elevation of the invert on center when its location from PC is 78.2m. The pipe has an outside diameter of 1 meters and a thickness of 61.2mm. The backfill is 1 meters in depth. The bridge is having a width of 13.2 meters.

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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Concept explainers

Composite Construction

Composite construction is the construction of structures in which two or more materials are used. Regarding structural engineering, composite construction is a construction where two materials are bound together in a technical manner such that both the materials act as a single unit to carry and transfer the load. The motives of composite construction are to increase the structural strength, make structures more aesthetic, and provide a sustainable environment.

Question

A -3.2% grade meets a 8.3% grade at a
vertex (El. 143.7m) directly under an
overpass bridge having underside
elevation of 159.64m. A 5.5 meters
clearance under the bridge and the
center of the curve was observed.
Determine the elevation of the invert
on center when its location from PC is
78.2m. The pipe has an outside
diameter of 1 meters and a thickness of
61.2mm. The backfill is 1 meters in
depth. The bridge is having a width of
13.2 meters.

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