Table 1.

Test conditions

SpecimenLiquid fedInitial bulk dry density (Mg m−3)Initial water content (degree of saturation) (%)Test conditions
Inflow rate (ml min−1)*Feeding pressure (kPa)
Kunigel V1 with 30 wt% of silica sandDistilled water1.60010 (39.2)0.167
NaCl water solution (0.5 m)1.60010 (39.2)0.17
  • *First stage of the test,

  • Subsequent stage of the test.

  • Na bentonite mined in Japan, of which the montmorillonite content is approximately 60 mass%.