header-repair

Cooling-tower2

 

Structural concrete repair

  • Facade repairs and renovation
  • Crack injection
  • Grouting
  • Guniting and shotcrete application
  • Joint sealing and bandaging
  • Carbon Fibre reinforcement
  • Core Drilling

 

repair001   repair004   repair003

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Patch Repair

  • Partial depth repair
  • Full depth repair

Patch Repair1    Patch Repair2

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Shutter and Cast

  • Beam repairs using shutter and cast method

Important: Use of temporary propping

Shutter and Cast

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Gunite/Shotcrete

Advantages:

  • Good consolidation
  • Speed of application
  • High build

Limitations:

  • High set up costs
  • Uneven finish
  • Messy
Gunite1     Gunite2

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Carbon Fibre Reinforcement

  • External reinforcement of concrete members
  • Thumb of thumb 50mm strip equivalent to 2No Y16 bars
CarbonFibre

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Grouting

What is the function of a grout?

  • Even transfer of load from base plate to plinth
Grouting

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Pumped Grout

Pumped Grout1 Pumped Grout2 Pumped Grout3

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Crack Injection

Crack Injection1 Crack Injection2 Crack Injection3

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Cooling tower repair

 Cooling-tower    Cooling-tower2

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Conveyor support column repaired at goldmine in Tanzania

repaired-goldmine       repaired-goldmine2
Before repair
 
After repair

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Support column repairs at copper mine in DRC

column-repairs1  column-repairs2  column-repairs3

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Support plinth repaired and carbon fibre strengthened at Copper mine in DRC

plinth-repaired1     plinth-repaired2

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Ball Mill pedestal repaired at goldmine in Mauritania

 Ball-Mill1     Ball-Mill2

Ball-Mill3      Ball-Mill4

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Stormwater tunnel repairs Johannesburg

Stormwater-tunnel1 Stormwater-tunnel2 Stormwater-tunnel3

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Office block facade repairs Johannesburg

 Office-block1      Office-block2

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Ball & Sag mill pedestal repairs, gold mine ,Burkino Fassa

 Ball-Sag-mill1      Ball-Sag-mill2

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Concrete Repairs to super structure at chemical plant

 Concrete-Repairs-chemical-plant1     Concrete-Repairs-chemical-plant2

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Reservoir-Repair   Carbon-fibre
Reservoir Repair   Carbon fibre strengthening of damaged beam
     
Pressure-grouting   Plinth-repair
Pressure grouting of voids under slabs at copper mine in DRC   Plinth repair
     
Ore-silo   Slag-bunker
Ore silo at manganese mine being repaired   Slag bunker repairs at metal plant
     
Dam-repairs   Carbon-fibre-strengthening
Dam repairs at nuclear facility   Carbon fibre strengthening of roof slab at Old Reserve bank Johannesburg (Historic building)
     
Facade-repairs   Core-sampling
Facade repairs Johannesburg   Core sampling
     
Lutanandwa-Bridge   Low-water-bridge
Lutanandwa Bridge investigation   Low water bridge repairs Mozambique
     
Nedbank-Gardens   Diagnostic-investigation
Nedbank Gardens facade repairs, Rosebank   Diagnostic investigation of quench structure at steel plant
     
Core-sampling-Burkino-Fasso   Ball-Mill-pedestal-repairs
Core sampling as part of diagnostic investigation, Burkino Fasso   Ball Mill pedestal repairs, gold mine in Burkino Fasso
     
Epoxy-grouting    
Epoxy grouting, gold mine Burkino Faso