Sharavathi Bridge near Honnavar, Karnataka



Case Studies

Project: Sharavathi Bridge, Karnataka


Details: The bridge, with an overall length of 1047.65 meter, comprises 34 spans of 30 meter each. The 2 end spans are balanced cantilever arms. Each main span consists of 5 prestressed "I" girders placed on hammerheads.


Challenge: On account of proximity to the saline environment the existing prestressed cables were corroded resulting in loss of stresses. Distresses were also observed in hammerheads.


Solution: The rehabilitation of the bridge was carried out by strengthening the piers and hammerheads with additional steel brackets and external prestressing of main girders. One of the outstanding features of this project was the load test carried out to assess residual prestress in the girders.

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