Delhi Metro's corridor to snake through 14 curves

18 Jun 2013 Editorial Team

Delhi Metro network's Mukundpur-Shiv Vihar corridor is expected to be unique with its 14 sharp curves in a span of 13 km, especially the Hazrat Nizamuddin to Shiv Vihar section. Curves having less than 300 m radius are considered to be 'sharp curves' in urban rail construction. In 2010, Delhi Metro constructed the sharpest broad gauge curve on its elevated section in Gurgaon near IFFCO Chowk with a radius of 282.05 meters between pier numbers 125 to 137 in Phase II.

DMRC will be constructing a record number of sharp curves in phase III. It will be on the standard gauge metro corridor from Hazrat Nizamuddin to Shiv Vihar, said Anuj Dayal, the Delhi Metro Rail Corporation spokesman. Such sharp curves would entail precision planning and construction by Delhi Metro. Cantilever piers and portals or supports would have to be constructed at appropriate places to provide smooth transition for the curves to take care of the shifted alignment due to the curvature, added the Delhi Metro official.

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