How Does Cracking Happen and How Can it be Minimized?
Cracks in concrete are unsightly and when it does happen the first reaction is, something is wrong with the concrete. But, why does concrete to crack? There are many reason why but, concrete cracks due to internal stress created from the hydration of the concrete.
What can be done to minimize cracking of concrete?
The best method is to place control joints at be determine locations in the slab on grade. Control joint are placed to give the concrete a place to crack and maintain the appearance of the slab. The formula for placing control joints is 24 inches by 36 inches times the depth. Let’s say the slab is 4 inches thick. Then the joint spacing would be 96 inches by 144 inches or 8 feet by 12 feet squares. Placing the joints in the proper spacing and locations will help control cracking and provide the customer with their desired results.