About YOKOTA SEIYA
About 道路公団
About MISHIMA NOBUO
About 道路公団
About artificial land
About Earthwork planning,earthwork
About Slope stability,deformation by excavating
About Soil compression,consolidation,shear strength,ground subsidence
About 人工地盤
About 気泡混合軽量土
About 人工
About 軽量
About 地盤