Following values can be used as guidelines for the range of the bed density.
|
Sediment stage |
General description |
Rheological behaviour |
Dry density (kg/m3) |
|---|---|---|---|
|
Freshly deposited (1 day) |
Fluff |
Mobile fluid mud |
50-100 |
|
Weakly consolidated (1 week) |
Mud |
Fluid stationary mud |
100-250 |
|
Medium consolidated (1 month) |
|
Deforming cohesive bed |
250-400 |
|
Highly consolidated (1 year) |
|
Stationary cohesive bed |
400-550 |
|
Stiff mud (10 years) |
Stiff clay |
Stationary cohesive bed |
550-650 |