REFERENCES - Unsaturated Soil Mechanics in Engineering Practice - page 906

van Genuchten, M. T., Leij, F. J., and Yates, S. R. 1991. The RETC
code for quantifying the hydraulic functions of unsaturated
soils, U.S. Salinity Lab., Department of Agricultural Research
Service, Riverside, CA.
van Haveren, B. P., and Brown, R. W. 1972. The properties and
behaviour of water in the soil-plant-atmosphere continuum,
in R. W. Brown and B. P. van Haveren (Eds.), Psychrometry
in Water Relations Research , Utah Agricultural Experimental
Station, Utah State University, Logan, UT, pp. 1-27.
Van Mourik Broekman, G. H., and Keverling Buisman, A. S.
1936. Determination of groundwater tensions: A necessary
element in investigating the stability of slopes, Proceedings of
the International Conference on Soil Mechanics and Founda-
tion Engineering , Harvard University, Cambridge, MA, June
22-26, Vol. 1, pp. 150-156.
Van Rooyen, M., and Winterkorn, H. F. 1959. Structural and tex-
tural influences on thermal conductivity of soils, Proceedings
of the Highway Research Board , Vol. 38, pp. 576-621.
Vargas, M. 1985. The concept of tropical soils, Proceedings of
the First International Conference on Geomechanics in Trop-
ical Lateritic and Saprolitic Soils , Brasilia, Brazil, Vol. 3,
pp. 11-14.
Vereecken, H., Maes, J., Feyen, J., and Darius, P. 1989. Estimating
the soil moisture retention characteristics from texture, bulk
density, and carbon content, Soil Science Journal , Vol. 148,
No. 6, pp. 389-403.
Verruijt, A. 1969. Elastic storage of aquifers, in R.J.M. de Wiest
(Ed.), Flow through Porous Media , Academic, New York.
Vilar, O. M. 1995. Suction controlled oedometer tests on a
compacted clay, Proceedings of the First International
Conference on Unsaturated Soils , UNSAT-95, Paris, Vol. 1,
pp. 201-206.
Vilar, O. M. 2006. A simplified procedure to estimate the shear
strength envelope of unsaturated soil, Canadian Geotechnical
Journal , Vol. 43, pp.1088-1095.
Vilar, O. M., and Davies, G. I. 2002. Collapse behaviour analysis of
a clayey sand using different testing procedures, Proceeding
of the Third International Conference on Unsaturated Soils ,
Recife, Brazil, pp. 571-576.
Vincent, R. S. 1941. Measurement of tension in liquids by means
of metal bellows, Proceedings of the Physical Society , Vol. 53,
pp. 126-140.
Von Herzen, R., and Maxwell, A. E. 1959. The measurement of
thermal conductivity of deep-sea sediments by a needle-probe
method, Journal of Geophysical Research , Vol. 64, No. 10,
pp. 1557-1563.
Von Mises, R. 1913. Mechanik der festen Korper im plastisch
deformablen Zustad, Nachrichten der Gesellscaft der Wessen-
schaften in Gottingen, Mathematisch Physikalische Klasse,
pp. 582-592.
Vreedenburgh, C. G. J., and Stevens, O. 1936. Electric investigation
of underground water flow nets, Proceedings of the Interna-
tional Conference on Soil Mechanics and Foundation Engi-
neering , Harvard University, Cambridge, MA, June 22-26,
Vol. 1, pp. 219-222.
Vu, H. Q. 2003. Uncoupled and coupled solutions of volume
change problems in expansive soils, PhD Thesis, University
of Saskatchewan, Saskatoon, SK.
Vu, H. Q., and Fredlund, D. G. 2000. Volume change predic-
tions in expansive soils using a two-dimensional finite element

method, Proceedings of the Asian Conference in Unsaturated
Soils, UNSAT ASIA 2000 , Singapore, pp. 231-236.
Vu, H. Q., and Fredlund, D. G. 2002. Using volume change
indices for two-dimensional swelling analysis, Proceedings of
the Fifty-Fifth Canadian Geotechnical Conference ,Niagara
Falls, ON, pp. 505-511.
Vu, H. Q., and Fredlund, D. G. 2003. Uncoupled and coupled solu-
tions of two-dimensional swelling in expansive soils, Proceed-
ings of the Second Asian Conference on Unsaturated Soils,
UNSAT-ASIA 2003 , Osaka, Japan, pp. 53-58.
Vu, H. Q., and Fredlund, D. G. 2003a. Numerical modeling of
two-dimensional heave for slabs-on-ground and shallow foun-
dations, Proceedings of the Fifty-Sixth Canadian Geotechnical
Conference , Winnipeg, MB, Vol. 1, pp. 220-227.
Vu, H. Q., and Fredlund, D. G. 2003b. Implementation of soil
property functions in volume change analyses in unsaturated
soils, Proceedings of the Twelfth Asian Regional Conference
on Soil Mechanics and Geotechnical Engineering , Singapore,
Vol. 1, pp. 27-30.
Vu, H. Q., and Fredlund, D. G. 2004. The prediction of one, two-
and three-dimensional heave in expansive soils, Canadian
Geotechnical Journal , Vol. 41, pp. 1-25.
Vu, H. Q., and Fredlund, D. G. 2006. Challenges to modeling heave
in expansive soil, Canadian Geotechnical Journal , Vol. 43,
pp. 1249-1272.
Vu, H. Q., Fredlund, D. G., and Pereira, J. H. F. 2002. Coupled
solution for the prediction of volume change in expansive
soils, Proceedings of the Third International Conference on
Unsaturated Soils, UNSAT 2002 , Recife, Brazil, pp. 181-186.
Wagner, L. E., and Ding, D. 1994. Representing aggregate size
distributions as modified log normal distributions, American
Society of Agricultural Engineers Journal , Vol. 37, No. 3,
pp. 815-821.
Waldron, L. J., McMurdie, J. L., and Vomocil, J. A. 1961. Water
retention by capillary forces in an ideal soil, Soil Science Soci-
ety of America Proceedings , Vol. 25, pp. 265-267.
Walsh, K., Houston, W., and Houston, S. 1993. Evaluation of in-
place wetting using soil suction measurements, Journal of
Geotechnical Engineering Division, ASCE , Vol. 119, No. 5,
pp. 862-873.
Wan, A. W. L., Gray, M. N., and Graham, J. 1995. On the relation
of suction, moisture content, and soil structure in compacted
clays, Proceeding of the First International Conference on
Unsaturated Soils, UNSAT-95 , Paris, pp. 215-222.
Wang, Q., Huang, S., Ke, Z. J., Fan, Q., Chen, Z., and Fredlund,
D.G. 1998. Long term field monitoring of climatic impact
on matric suction and ground movement in Nanning, China,
Proceedings of the Second International Conference on Unsat-
urated Soils, UNSAT-98 , Beijing, Vol. 1, pp. 444-449.
Wang, Y. H., and Fredlund, D. G. 2003. Towards a better under-
standing of the role of the contractile skin, Proceedings of the
Second Asian Conference on Unsaturated Soils, UNSAT-ASIA
2003 , Osaka, pp. 419-424.
Warkentin, B. P., and Bozozuk, M. 1961. Shrinking and swelling
properties of two Canadian clays, Proceedings of the Fifth
International Conference on Soil Mechanics and Foundation
Engineering , Paris, Vol. 3A, pp. 851-855.
Warkentin, B. P., Bolt, G. H., and Miller, R. D. 1957. Swelling
pressure of montmorillonite, Soil Science Society of America
Proceedings , Vol. 21, pp. 495-497.