http://anzsoil.org/def/au/asls/substrate/material-strength-W
| identifier | http://anzsoil.org/def/au/asls/substrate/material-strength-W | ||||||
|---|---|---|---|---|---|---|---|
| notation | W | ||||||
| definition | 25-50 MPa based on field estimate of strength class after striking or cutting the rock material - Knife:Shallow cut or scratch, Pick:indents deeply, Hammer (single blow):Shattered into many small fragments | ||||||
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