About KITAMOTO YUKIYOSHI
About 鹿島建設 技研
About YASUMOTO KEISAKU
About ONIKI KOICHI
About FUJISAKI KATSUTOSHI
About soil compaction
About heaby bob
About Field surveys,soil tests
About Earthwork planning,earthwork
About Soil improvement and stabilization
About 地盤
About 衝撃特性
About 厚
About 手法