Figure 1. Location map of each study site.
Figure 2. Boring point map of the study area.
Figure 3. Joint distribution by depth.
Figure 4. Joint aperture distribution by depth.
Figure 5. The slow-moving landslides area, the third dimention and groundwater direction map (Blue line is groundwater flow direction, red line is crack direction).
Table 1. T-test of mean of angle direction of crack and mean of angle direction of groundwater flow.
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