-4.4% grade meets a 7.9% grade at a vertex (El. 136.35m) directly under an overpass bridge having underside elevation of 156.79m. A 7.8 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 91.6m. The pipe has an outside diameter of 0.7 meters and a thickness of 59.8mm. The backfill is 0.7 meters in depth. The bridge is having a width of 14.6 meters. asap 30 mins, draw curve and detailed solution

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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.