Hidetoshi KOHASHI	Team Leader	・Total research management
Masayuki YABU	Deputy Team Leader	・Drainage of earth structures ・Compaction of embankment ・Ground ancho ・Reinforced earth structures
Shoichi TSUTSUMI	Researcher	・Improvement of earth structure ・Improvement soil ・Construction sludge
Tomohiro FUJITA	Researcher	・Rreinforced earth structures ・Ground anchor ・Compaction of embankmen
Saiichi SAKAJO	Invited Researcher	・The guideline of countermeasure in soft ground
Chihiro MIYAMOTO	Office Clerk	・General administrative work