STEP PROCESSING METHOD FOR DRILLING HOLE

PROBLEM TO BE SOLVED: To provide a step processing method for drilling hole that can solve a problem in which a conventional step processing method for drilling hole requires a bucket for drilling dedicated to a diameter expansion part and is thereby high in manufacture cost and construction cost an...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	ARAI TOSHIAKI, YAJIMA JUNJI, NAKAZAWA FUTA, MIYATA KATSUTOSHI, TAKAHASHI KOJI, TAGUCHI TOMOYA, SANO DAISAKU, OGAWA ATSUSHI, HATTORI KEISHO, IIDA TSUTOMU, ENOMOTO TAKESHI, KAWANISHI YUKI, MORI TAKESHI, FUJIKI HIDENORI, MATSUKI KAZUHIKO, KOBAYASHI KOJI, YAMADA MASAKI, MIYAMOTO KAZUYUKI
Format:	Patent
Sprache:	eng
Schlagworte:	EMBANKMENTS EXCAVATIONS FIXED CONSTRUCTIONS FOUNDATIONS HYDRAULIC ENGINEERING SOIL SHIFTING UNDERGROUND OR UNDERWATER STRUCTURES
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