than that of Experiment 3, probably due to the presence of more
entrapped air within the slope and the lower saturated hydraulicconductivity of the soil.
because the presence
of entrapped air maintained soil suction, resulting in thestability of the toe area.
where spring or seeps exist.
are prone to slope failure (e.g..
Lacerda 19991.
Other factors.
such as slope morphology and hydraulic heterogeneities. indicating that the saturated soil mass at the toe had reached the pointof yielding, as the toe failure was initiated.
Allowed
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