Geoscience Reference
In-Depth Information
Figure 4.11
Normalized undrained strength versus organic content (
after
Edil andWang, 2000).
Figure 4.12
Effect of pH on undrained shear strength (
after
Asadi
et al
., 2011a) .
1377-7-3: 1990. The tests confirmed the increase of the shear strength of both fibrous
and sapric samples in the presence of H
+
(Figure 4.12).
4.6 EFFECT OF CYCLIC LOADING
Yasuhara
et. al
. (1994) studied the effect of cyclic loading on peat, which can be
introduced by earthquakes, and concluded that peat loses its undrained strength when
subjected to undrained cyclic loading. Even if drainage is allowed, due to the dissipation
