Consistency of silts and clays |
Consistency Index Ic |
Very soft |
< 0.25 |
Soft |
0.25 to 0.50 |
Firm |
0.50 to 0.75 |
Stiff |
0.75 to 1.00 |
Very stiff |
> 1.00 |
See ISO 14688-2
Copyright ©1999-2009 Geocentrix Ltd. All rights reserved. Version 1.0.1