Here are some of the common causes:

Poor Quality Concrete Mix: If the concrete mix used in the RCC slab is of poor quality, it may not be able to withstand the weight and pressure it is subjected to. This can lead to cracks and other damages in the slab.

Excessive Loading: If the RCC slab is subjected to excessive loading beyond its design capacity, it can cause cracks to develop. This can occur due to heavy machinery or equipment being placed on the slab, or due to excessive foot traffic.

Improper Curing: If the slab is not cured properly, it can result in cracks. Proper curing involves keeping the concrete moist and at a specific temperature for a specified period of time, to allow it to attain its maximum strength.

Thermal Stress: Rapid changes in temperature, such as from exposure to direct sunlight or extreme weather conditions, can cause the RCC slab to expand and contract, leading to cracking.

Settlement of Foundation: If the foundation on which the RCC slab is constructed settles or shifts, it can cause the slab to crack.

Poor Construction Practices: Improper construction practices, such as inadequate reinforcement or poor compaction, can result in a weakened RCC slab that is prone to cracking.

It is important to identify the cause of the cracking and take appropriate corrective action to prevent further damage. Get the help of We Fix Cracks to evaluate the situation and recommend appropriate measures.
How to prevent and repair RCC Slab Cracking?

Here are some steps that can help prevent and repair RCC slab cracking:

Proper Design and Construction: The design of the RCC slab should be appropriate for the intended use and the expected load. The slab should be constructed using proper techniques and materials, with adequate reinforcement and appropriate curing to ensure its strength and durability.

Control Joint Placement: Control joints should be placed at regular intervals to allow for expansion and contraction of the slab without causing cracking. The joint spacing and depth should be appropriate for the thickness and size of the slab.

Crack Repair: Cracks in the slab should be repaired as soon as possible to prevent further damage. The repair method will depend on the type and severity of the crack and may involve injecting epoxy or other sealants to fill the crack and prevent moisture from entering.

Foundation Inspection: The foundation on which the slab is constructed should be inspected regularly to ensure that it is stable and does not settle or shift. Any issues with the foundation should be addressed promptly to prevent damage to the slab.

Regular Maintenance: Regular maintenance of the slab, including cleaning and sealing, can help prevent damage and extend its lifespan.

It is important to consult We Fix Cracks for professional service to evaluate the cause of the cracking and recommend appropriate corrective measures.