Abstract
The main purpose of this paper is to investigate the effect of water film thickness (WFT) on grouting performance. To this end, the relationship between WFT and rheological parameters, flow parameters, segregation resistance and cohesiveness was established by mathematical statistical methods and regression analysis. The results show that the WFT is the most significant factor in determining the fluidity and rheology of the cement paste. In engineering, WFT can be used to characterize the fluidity and rheology of the grout. WFT is not the only factor that determines the cohesiveness of cement paste, but there is a good dynamic correlation between WFT and cohesiveness. The correlation between WFT and bleeding rate increases with time, which is caused by the physical sedimentation process of the particles.
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