Hydro-Mechanical Properties of an Unsaturated Frictional Material

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APPENDIX E. NEW SWCC MODEL - DEVELOPMENT, VALIDATION,
APPLICATION
Volumetric water content (%)
Volumetric water content (%)
50
40
30
20
10
0
50 40
10 20 30
0
Transient state column test I Dense specimen Initial void ratio = 0.66 1st drainage Flow rate = 30 ml/min TDR/T 260 mm
0 1 2 3 4
Suction (kPa)
results New model curve fit Experimental
Suction (kPa)
2nd drainage Flow rate = 100 ml/min TDR/T 360 mm 4 3 2 1 0
Figure E.3: Experimental drainage results from several depth from transient state sand column
test and achieved curve fit from the proposed model (loose specimen)