About KIKKAWA NAOTAKA
About 労働安全衛生総合研
About ITO KAZUYA
About 東京都市大 工
About HORI TOMOHITO
About 労働安全衛生総合研
About MITACHI TOSHIYUKI
About トンネル工学報告集(CD-ROM)
About mountain tunnel
About construction work
About labor accident
About rock fall
About working face
About mechanism
About ground
About cross section(face)
About tunnel
About excavation
About blasting
About state
About tensile stress
About model test
About simulation
About トンネル縦断面
About stress state
About 肌落ち
About developmental mechanics
About 発破掘削
About model ground
About Tunnel maintenance and incidental equipment,and others
About 発破
About 掘削
About トンネル切羽
About 応力状態