The material thickness is thin and is easily affected by drying shrinkage! A mix that can fill every corner is necessary.
The "RC wrapping method" has seen numerous cases of cracking due to factors such as the thin thickness of the components and their susceptibility to drying shrinkage. Cracking occurs when the tensile stress in the concrete, resulting from shrinkage, exceeds the allowable stress of the concrete. In the case of the "RC wrapping method," the point of crack initiation is at the surface layer, so enhancing the quality of the concrete surface and ensuring the allowable tensile strength of the concrete are considered key challenges. For more details, please refer to the catalog. [Countermeasures] ■Mix design ■Formwork ■Curing *For more information, please refer to the PDF document or feel free to contact us.
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