Slurry Diffusion within Gravel Layer Based on Uniform Design
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Abstract:
In terms of grouting in the gravel layer, the research of the effects of seepage on slurry diffusion in different directions needs more investigations. In the paper, the characteristics of slurry diffusion in different directions within the gravel layer are studied under different seepage intensities based on the laboratory grouting simulation test using the uniform design method. The effects of grouting pressure P, water cement ratio m, permeability coefficient k，and seepage velocity v on the radius of slurry diffusion R0 in different directions are analyzed and the regression equations are established. The results show that the grouting pressure P has the most significant effects on the radius of slurry diffusion R0, followed by the permeability coefficient k. The seepage velocity v has a negative correlation with the radius of upstream slurry diffusion Ru but a positive correlation with the radius of downstream slurry diffusion Rd, and it has insignificant effects on the radius of lateral slurry diffusion Rl
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