GRIZZLY DPSH Research Papers

GRIZZLY DYNAMIC PENETROMETER DPSH – Gouvres, Chabanat etc JNGG 2012 (French)
A world first – Heavy penetrometer automatically adapts its impact energy to the hardness of the soils

Good at measuring the interface between hard and soft “pathogenic” zones which are of great interest to geotechnical engineers.

GRIZZLY Site Investigation DPSH Penetrometer