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Structural Rehabilation & Retrofitting
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Restoration of a National Highway Bridge under distress

A T Beam Bridge on national highway connecting Bangalore and Hyderabad of Andhra Pradesh state was found to be in distress condition by way of severe spalling of concrete and exposing of reinforcement. The same called for urgent repairs and to be carried out with minimum disruption to traffic as the Bridge is on a high density national Highway.
 

The following restoration measures were adopted :

  • All loose and spalling concrete removed by chipping and reinforcement exposed
  • Before chipping of concrete the sutructure was supported on steel cribs.
  • After fixing of temperature reinforcement shuttering was fabricated in place.
  • Free Flow Micro concrete was placed into the shuttering.
  • Cement injection was carried out in the rest of the beams which showed moderate distress.
 
The project was completed in a short span of only 8 days. Three spans which showed moderate and major distress features were restored. By use of Free Flow Micro concrete not only strengths upto M30 were achieved in 3 days but also ensured complete beam to be cast in single pour.
 
 
 

 

 

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Structural Rehabilation & Retrofitting
 
1. Innovative way of dismantling retaining wall by use of Post Tensioning Technique
2. Restoration of a Failed Bridge
3. Jaw Crusher Demolition of Towers
4. High Reach Demolition 4th Floor P T Slab Demolished
5. Stabilization of Vertical Pit Faces Using P T Technique
6. Removal of Columns by External Post Tensioning Technique to Increase Spans
7. Structural Rehabilation & Retrofitting
8. Removal and Recasting columns in a under construction building
9. Restoration of a National Highway Bridge under distress
10. Restoration of Bridge damaged by poor expansion joint maintenance
11. Restoration of a Heritage building at Hyderabad Public School
12. Restoration of Bridge damaged by Earth Quake at Andaman
13. Restoration of Fire Damaged Building, Hyderabad
Concrete Sawing & Core Driling
Bearing Replacement & Bridge Lifting