Table 3 Measured slumps of the samples with different BIRs
From: Use of a 10.22 m diameter EPB shield: a case study in Beijing subway construction
Concn of the bentonite slurry (%) | Water (kg) | Bentonite (kg) | Density (g/cm3) | Viscosity (s) | BIR (%) | Slump (mm) |
|---|---|---|---|---|---|---|
8 | 1000 | 89 | 1.04 | 27 | 15 | 78 |
10 | 72 | |||||
5 | 65 |