The main causes of cracks: cracks caused by external loads (including static and dynamic loads during construction and use); Cracks caused by deformation (including temperature, humidity deformation, uneven settlement, etc.
); Cracks caused by construction operations such as production, demolding, maintenance, stacking, transportation, lifting, etc.
Classification of cracks: Classified by the direction and shape of cracks, there are horizontal cracks, vertical cracks, transverse cracks, longitudinal cracks, oblique cracks, and radial cracks; According to the depth of cracks, there are three types: through cracks, deep cracks, and surface cracks; Classified by causes, there are mainly plastic cracks, shrinkage cracks, temperature cracks, and uneven settlement cracks.
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