Table 1 Friction coefficient (µ) results determined at different values of relative humidity (RH)
From: Effects of humidity and interlayer cations on the frictional strength of montmorillonite
Experiment number | Sample | RH (%) | µ |
|---|---|---|---|
HTB473 | Na-montmorillonite | 10 (± 1) | 0.33 |
HTB471 | Na-montmorillonite | 30 (± 3) | 0.21 |
HTB475 | Na-montmorillonite | 50 (± 4) | 0.15 |
HTB461 | Na-montmorillonite | 70 (± 3) | 0.07 |
HTB477 | Na-montmorillonite | 93 (± 7) | 0.06 |
HTB507 | Ca-montmorillonite | 11 (± 1) | 0.22 |
HTB497 | Ca-montmorillonite | 29 (± 2) | 0.15 |
HTB493 | Ca-montmorillonite | 50 (± 4) | 0.08 |
HTB500 | Ca-montmorillonite | 70 (± 5) | 0.03 |
HTB495 | Ca-montmorillonite | 91 (± 7) | 0.04 |