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 (%)
Volumetric water content (%)
50
40
30
20
10
0
40
30
20
10
0
state column test I Dense specimen Initial void ratio = 0.66 Initial drainage Transient
TDR/T 70 mm TDR/T 160 mm Flow rate ≈ 30 ml/min
TDR/T 260 mm TDR/T 360 mm TDR/T 450 mm 1st drainage Flow rate ≈ 30 ml/min
50 0 1 2 3
Suction (kPa)
4 5
2nd drainage Flow rate ≈ 100 ml/min
50 0 1 2 3 4 5
40
Suction (kPa)
30
20
10
0
0 1 2 3 4 5
Suction (kPa)
Figure E.1: Experimental data (initial drainage, 1 st drainage, 2 nd drainage) from drainage
transient state column tests used for model building (dense specimen)