1. Fracture propagation in human-triggered avalanches and snowpack tests


    from Bruce Jamieson Added 4,986 12 0

    For a skier, snowmobiler or other load to trigger a slab avalanche: the dynamic load must start a fracture and then fracture propagation must be sustained away from the load. There is no one paper…

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    • a PST on PI day


      from Bruce Jamieson Added 315 2 0

      Scott Thumlert demonstrates a Propagation Saw Test in which only about 25 cm of a 118 cm long column was cut before the fracture propagated to the end of the column and - in this case - the block…

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