About OGURA HIROSHI
About 株式会社精研 凍結本部 技術営業部
About KANIE SHUNJI
About 北海道大学 大学院工学研究院
About IZUTA HISAO
About 株式会社精研 東京本社
About 土木学会論文集 F1(トンネル工学)(Web)
About ground
About freezing method
About frozen soil
About retaining wall
About expansion
About pressure control
About case study
About shaft (mine)
About close-in work
About countermeasure construction
About ground freezing method
About freeze expansion pressure
About pressure relief holes
About pressure relief trench
About pressure buffering sand trench
About Soil improvement and stabilization
About 凍結
About 膨張
About 変位
About 膨張圧
About 低減効果
About 選定