About NISHIYAMA NAOKI
About YOKOYAMA TADASHI
About sandstone
About saturation ratio
About hydraulic conductivity
About rock mass test
About indoor test
About Mechanical properties of rocks
About Water permeability,seepage water,soil water
About 砂岩
About 水飽和率
About 透水係数
About 水
About 押し出し法
About 評価