Repairs and Maintenance of CracksBy Abhishek C. Bagul
Movement of Ground
Temperature variation
Moisture Changes
Chemical Reactions
Vegetation
Causes of Cracks
Movement of Ground
Causes of Cracks > Movement of Ground
Landslides Mining Operations Earthquake
Causes of Cracks > Movement of Ground
• Shrinkable soil• Uneven load
distribution of building
Causes of Cracks > Movement of Ground
• Shrinkable soil• Uneven load
distribution of building
Temperature Variation
Causes of Cracks > Temperature variation
• Each material behaves different at different temperature.
Crack
Moisture Changes
Causes of Cracks > Moisture Changes
Chemical Reactions
Causes of Cracks > Chemical Reactions
CO2 Concrete
Causes of Cracks > Chemical Reactions
SulphatesH2O
Vegetation
Causes of Cracks > Vegetation
Types of Cracks
Vertical crack
Irregular crackToothed crack
Diagonal crackHorizontal crack
Types of Cracks > Vertical Crack
Types of Cracks > Horizontal Crack
Types of Cracks > Diagonal Crack
Types of Cracks > Toothed Crack
Types of Cracks > Irregular Crack
Repairs of Cracks
Gunting Grouting
Repairs of cracks > Gunting
1. Clean the cracks 2. Mortar of 1:3 – 1:4 is filled in machine
3. Mortar is forced in crack with 2 to 3
kg/sq.cm. pressure
Repairs of cracks > Grouting
Thank you!
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