Toru Osakabe, Shozo Wada, Hiroshi Ijyuin, Hideto Sato. An experimental study on ground improvement effect after soil improvement at the back of the L-shaped retaining wall. Proceedings of the International Offshore and Polar Engineering Conference. 2018. 2018-June. 764-768
KOUDA Makoto, SATO Hideto, OSAKABE Toru, KUNISHI Hajime, NAGATA Makoto, HIRATA Hisashi, TAMURA Masahito. FUNDAMENTAL STUDY ON PENETRATION AND BEARING CAPACITY OF SCREW PILE WITH HELICAL WING. Journal of Structural and Construction Engineering (Transactions of AIJ). 2006. 71. 601. 91-98