Large-Scale Reinforced Clay Walls Backfilled with Clay at Cheng Kung University - Reinforced Soil Engineering: Advances in Research and Practice - page 198

Figure 11 Continued.
piezometers during 840-day monitoring. It is seen that the fluctuations of pore
pressure before the end of first infiltration test were small, despite the heavy
rainfall between the 120th and 200th days and the constant water head infiltration
on the top of the wall for about 50 days. After the first infiltration test, some
5-mm-wide, 350-mm-deep cracks at the crust of the walls were found (Plate 2).
These cracks might account for the responsive pore pressure changes
during heavy rainfalls and the 2nd-4th infiltration tests. Figure 13a and b show
the movement of facings measured at different levels for the R-wall and L-wall,