Flyovers and interchanges
What it is
Elevated roads that lift one traffic stream over another at a junction.
How it works
Viaduct spans on single piers carry traffic over the cross road; ramps bring it back to ground.
Diagram: Indiacon original, not to scale.
Main components
Piers, pier caps, precast girders or segments, ramps, retaining walls, crash barriers, drainage.
Key codes
IRC 6, IRC 112, IRC 92. Cited by number only; get the text from BIS or the issuing body.
Notable projects
Urban flyovers in Indian metro cities; stacked interchanges on expressways.
Videos
- Videos coming.