Experimental investigation on grout propagation in poured aggregates for controlling water inrush in tunnels with flowing water

Geoenvironmental Disasters

Table 3 Range analysis for main effects on SE

For levels	Particle size A	Final water pressure difference B	Cement slurry/sodium silicate ratio C	Relative density of aggregates D
SE₁	70.1	72.02	62.55	68.2
SE₂	75.13	72.05	67.45	67.15
SE₃	72.75	71.45	73.48	72.8
SE₄	66.78	69.22	81.28	76.6
Range	8.35	2.83	18.73	9.45