Fig. 1. Flowchart for point cloud acquisition using Terrestrial LiDAR.
Fig. 3. Scanning positions and point cloud acquired from various scanning positions.
Fig. 4. Modes of rock slope failure. (a) plane failure, (b) wedge failure (modified from Norrish and Wyllie, 1996).
Fig. 5. Location of study area and picture of the rock slope in the study area.
Fig. 6. Acquisition process of discontinuity orientation data. (a) picture of the rock slope, (b) selected points from the point cloud, (c) generated plane data from point cloud.
Fig. 7. Stereonet plots of data. (a) all discontinuity data, (b) three joint sets.
Fig. 8. Results of probabilistic analysis for plane failure using randomly generated discontinuity orientation using Fisher distribution function. (a) joint1, (b) joint2, (c) joint3.
Fig. 9. Results of probabilistic analysis for wedge failure using randomly generated discontinuity orientation using Fisher distribution function. (a) joint1&joint2, (b) joint1&joint3, (c) joint2&joint3.
Fig. 10. Results of probabilistic analysis for plane failure using real discontinuity orientation data. (a) joint1, (b) joint2, (c) joint3.
Fig. 11. Results of probabilistic analysis for wedge failure using real discontinuity orientation data. (a) joint1&joint2, (b) joint1&joint3, (c) joint2&joint3.
Fig. 12. Results of deterministic analysis using representative discontinuity orientation data. (a) plane failure, (b) wedge failure.
Fig. 2. (a) picture of the rock slope in the study area, (b) point cloud acquired using terrestrial LiDAR, (c) occlusion area of slope face.
Table 1. Specifications of terrestrial LiDAR that used in this study
Table 2. Representative geometrical properties of discontinuity sets
Table 3. Kinematic analysis result of deterministic analysis and probabilistic analysis and using original data
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