Three Treatmnets for Cracking of Epoxy Floor

2021-08-13

Common floor construction types include concrete floor, cement mortar floor, terrazzo floor, etc. But the epoxy floor has the advantages of low viscosity, good pourability, good diffusion ability, convenient construction, high mechanical strength, and can resist most of the chemical corrosion encountered by concrete. Epoxy floors may have cracks during the construction process. Although there are many reasons for this phenomenon, the prevention and improvement measures are roughly the same, and construction joints are often used.

1. Treatment of construction joints

The construction joint is not a real "seam", but the joint surface between the concrete poured after the initial setting time and the concrete poured first according to the design requirements or construction needs.

It is the joint surface between the concrete poured after the initial setting time and the concrete poured first according to the design requirements or construction needs.

2. Treatment of temperature stress cracks

In the concrete floor construction, there are many temperature stress cracks, which are mainly caused by the excessive temperature difference between the foundation and the concrete inside and outside or the stress release caused by other reasons. According to the different manifestations, it can be divided into three types: surface cracks, deep cracks and through cracks. Under certain conditions, surface cracks will develop into deep cracks, and deep cracks will also develop into through cracks. Therefore, if the cracks are not repaired in time, it will directly affect the decorative effect of the epoxy floor.

3. Treatment of expansion joints

Make adjustment according to the structure layout, geological conditions and construction layout, construction intensity, etc. In order to meet the requirements of structural deformation, there should be no rigid filler between the joint surfaces. Since the expansion joints need to meet the force changes of the entire building, the expansion joints should be treated with elastic materials and laying a metal plate on the outside for protection

The above mentioned cracks modes which are expansion joints and construction joints of epoxy floor are artificially set to meet the stress changes of the concrete. The temperature stress cracks are caused by the stress changes of the concrete itself. Once a crack has occurred, it’s good to start getting to work on repairing the crack sooner rather than later. 

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