Hydro-Mechanical Properties of an Unsaturated Frictional Material

Volumetric water content (%)
Volumetric water content (%)
50
40
30
20
10
0
0 1 2 3
70 TDR/T 160 mm TDR/T 260 mm TDR/T 360 mm TDR/T mm
curve fit
4 5
Flow
50
rate
Suction
=
(kPa)
30 ml/min
40
New model
specimen Initial void ratio = 0.66 2nd imbibition Dense I test column state Transient
30
20
10
0
Flow rate = 100 ml/min
0 1 2 3 4 5
Suction (kPa)
state column test I Dense specimen Initial void ratio = 0.66 1st imbibition Transient
Figure E.4: Experimental drainage results from several depth from transient state sand column
test and achieved curve fit from the proposed model (dense specimen)
237