Performance of Used Tire Cushion Layer under Rockfall Impact

Figure 6

The rockfall impact tack captured by camera in test 2#.

(a) Rockfall entering camera capture range (34 frames)

(b) The first time that rockfall comes in contact with tire cushion layer ( frames)

(c) Rockfall impact to its lowest point in its track (79 frames)

(d) The first time that rockfall rebounds apart from tire cushion layer ( frames)

(e) Rockfall rebound to its peak in its track after first impact ( frames)

(f) Rockfall impact cushion layer for the second time (246 frames)