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Cracks on a concrete slab can occur due to various reasons.
Here are 12 common causes of cracks on concrete floor PCC slab :
- Shrinkage: Concrete shrinks as it cures, leading to cracks.
- Settlement: Soil settlement or uneven foundation can cause cracks.
- Thermal expansion: Concrete expands and contracts with temperature changes, causing cracks.
- Poor construction: Inadequate preparation, mixing, or finishing can lead to cracks.
- Weak subbase: A weak or unstable subbase can cause cracks.
- Overloading: Excessive weight or pressure can cause cracks.
- Weathering: Exposure to weather, especially freeze-thaw cycles, can cause cracks.
- Chemical damage: Exposure to chemicals, like salt or acid, can damage concrete.
- Poor drainage: Water accumulation can cause erosion and cracks.
- Soil movement: Soil movement or erosion beneath the slab can cause cracks.
- Tree roots: Tree roots growing beneath the slab can cause cracks.
- Poor curing: Inadequate curing can lead to weak concrete and cracks.
It's important to address the underlying cause to prevent further damage and ensure effective repair of concrete.
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