Investigation of the fracture characteristics of granite and green
Green sandstone contains some mineral fragments and clay with a stable structure primary pores inside and lower strength It is a typical soft rock; granite and green sandstone are of different properties but both widely used in rock engineering The two rock materials were both taken from Longquan city Sichuan province China we can find
Effects of grain crushing ductile grain deformation and
Effects of grain crushing ductile grain deformation and grain packing texture on sandstone compaction Implications from DEM numerical simulations Author links open overlay panel Yiming Yan a b Liqiang Zhang a b representing ductile grains such as slate debris green shale and black shale Athy 1930; Pittman and Larese 1991