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Structural Rehabilation & Retrofitting
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Restoration of Bridge damaged by poor expansion joint maintenance
A Bridge on State Highway in Andhra Pradesh was damaged due to non-functioning of Expansion joints. The accumulation of expansion of each span resulted in displacement of the last span to a large extent enough to deform the neoprene pads and also in form of a major horizontal crack in the PCC abutment.
 
The Project was taken up on war footing and restored taking a closure period of bridge for only 2 days which was called for only during bearing replacement.
 
 

The scheme adopted is as under:

  • Stitching of Crack by 16 mm rebars.
  • Providing 100 mm thick micro-concrete padding to the abutment after providing reinforcement.
  • Lifting of Span and replacement of deformed neoprene pads by new ones
  • Replacement of expansion joint by New Strip Seal Joint
 

 

 

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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