Abstract

In this paper, concrete with different viscosity was prepared by adjusting the water binder ratio of concrete. The floating time of table tennis was used to characterize the viscosity of concrete, and the effect of concrete viscosity on the apparent quality of fair faced concrete was studied. The test results show that with the increase of concrete viscosity, the apparent porosity of concrete decreases first and then increases. When the water binder ratio is 0.37 and the floating time of table tennis is 40s, the appearance quality of concrete components is the best.

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