WATER SUPPLY/DRAINAGE APPARATUS FOR WATER SEALING BOREHOLE

PROBLEM TO BE SOLVED: To provide a water supply/drainage apparats for a water sealing borehole which apparats facilitates work of inserting a packer hose into the borehole to locate the packer hose at a target position 3 to 4 meters away from an opening of a water sealing tunnel or a position close...

Ausführliche Beschreibung

Bibliographische Detailangaben

1. Verfasser:	ITO TAKEMI
Format:	Patent
Sprache:	eng
Schlagworte:	EARTH DRILLING EMBANKMENTS EXCAVATIONS FIXED CONSTRUCTIONS FOUNDATIONS GALLERIES HYDRAULIC ENGINEERING LARGE UNDERGROUND CHAMBERS MINING SHAFTS SOIL SHIFTING TUNNELS UNDERGROUND OR UNDERWATER STRUCTURES
Online-Zugang:	Volltext bestellen
Tags:	Tag hinzufügen Keine Tags, Fügen Sie den ersten Tag hinzu!