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Bridge External Prestressing

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The need of rehabilitation and strengthening of concrete structures has increased considerably the last decade.
The causes for repair and/or strengthening can be many, but normally change of use, increased demands on the structure,
errors in the design or/and construction phase or accidents are governing. Many methods to repair or/and strengthen concrete
structures exists such as concrete overlays, shotcrete, external prestressed cables etc.


ADVANTAGE :

  • External prestressing is a very effective technique for both Existing and new structures.

  • Many researchers proven that the external prestressing having following advantages:

  • Profiles of external tendons are easier to check during and after Installation hence, provide the ease of inspection.

  • External tendons can be removed and replaced if any type problem found.

  • It usually allows easy access to anchorages, adjustment and control of tendon forces

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Delhi, India

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