, Cement Deep Mixing, Dry Jet Mixing, Jet Grouting and other related technology. He has been an employee of Raito Kogyo since 1980, serving as Project Engineer, Design Manager... projects in the United States, Canada and Australia involving numerous foundation and geotechnical applications including foundations stabilization, jet grouting; deep and shallow soil... mixing; compaction and chemical grouting; underground and surface core drilling; slurry walls; bio-polymer collection drains; funnel and gate systems; contaminated soil...