Soil Improvement of EPBS Construction in High Water Pressure and High Permeability Sand Stratum

Table 3

Permeability coefficients of supersaturated sand improved by sodium bentonite-CMC mixed mud.

Scheme number	1-1	1-2	1-3	1-4	1-5	2-1	2-2	2-3	2-4	2-5
Permeability coefficients of supersaturated sand (×10^−6 cm/s)	7.31	4.72	1.75	0.769	0.265	6.47	2.96	0.961	0.415	0.138