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Advances in Civil Engineering
/
2019
/
Article
/
Tab 3
/
Research Article
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