Decrease of Schmidt hammer hardness controlled by schistosity orientation of metamorphic rocks after loading with TBM cutters

Autor: Lassnig, Klaus, Entacher, Martin, Biermeier, Florian, Galler, Robert, Ebner, Fritz
Zdroj: In International Journal of Rock Mechanics and Mining Sciences December 2012 56:27-33
Databáze: ScienceDirect