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Unsaturated Soil Concepts and Their Application in Geotechnical Practice (Paperback, Softcover reprint of hardcover 1st ed. 2002)
Loot Price: R2,870
Discovery Miles 28 700
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Unsaturated Soil Concepts and Their Application in Geotechnical Practice (Paperback, Softcover reprint of hardcover 1st ed. 2002)
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model. They conclude that the models using three fitting parameters
provide the best fit over a wide range of suctions. Models for
soil-water characteristic curves are only useful if we have
experimental data on which to base them. Agus, Leong and Rahardjo
(Singapore) present a large number of experimental soil-water
characteristic curves determined for two types of residual soil
from Sigapore. They present data for eight different sites. This
data set allows them to relate the parameters of the soil-water
characteristic curves to index properties. They conclude that the
relationships derived are suitable to pro vide a quick preliminary
estimate of a soil-water characteristic curve. The importance of
soil-water characteristic curves is emphasized by another con
tribution dealing with this topic. Aung, Rahardjo, Leong and Toll
(Singapore) inves tigate the relationship between mercury intrusion
porosimetry measurements and soil-water characteristic curves. The
porosimetry measurements are presented as soil-air characteristic
curves. The slopes of the soil-air characteristic curves are found
to be similar to the slopes of the soil-water characteristic
curves. The equiv alent pore diameters calculated from the mercury
entry value and the air entry value appear to be related.
Therefore, it is suggested that porosimetry data can be used to
construct an estimate of the soil-water characteristic curve."
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