Ergebnisse für: grouted sand

scanning electron microscope (SEM) images permeability high temperature Darcy’s law confining pressures chemical grouts grain size of sand initial water contained in sand grouted sand macroscopic mechanical behaviors microstructure characteristics ductile failure gas concentration gob-side entry retaining (GER) limestone roof

scanning electron microscope (SEM) images permeability high temperature Darcy’s law confining pressures chemical grouts grain size of sand initial water contained in sand grouted sand macroscopic mechanical behaviors microstructure characteristics ductile failure gas concentration gob-side entry retaining (GER) limestone roof