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Plastic shrinkage cracks occur when the surface of the concrete dries rapidly and shrinks before it can gain sufficient tensile strength to resist cracking.

When ambient conditions & temperatures combine to produce conditions that create a high evaporation rate; the chances of the surface drying and shrinkage cracks forming increases.

Using this tool, you can quickly calculate the evaporation rate based on

• concrete temperature

• air temperature

• relative humidity

• wind velocity