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3. Stresses to which waterproof coatings are subjected
3.1 Cracks, substrate movement
3.1.1 Most frequent case of concrete substrates
There are many causes of cracking in concrete:
variations in the dimensions of the support due to mechanical causes, e.g. excessive deformation of the structure as a result of differential settlement of the soil, operating loads, etc. ;
shrinkage, which leads to cracks when the concrete dries;
dimensional variations due to temperature...
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Stresses to which waterproof coatings are subjected