CONSTRUCTION METHOD FOR ESTABLISHING UNDERGROUND COLUMN AND DEVICE THEREFOR

PROBLEM TO BE SOLVED: To excavate and stir the ground while avoiding the damage by cobble stones by extending a flexible wing provided on an injection rod sideways in a prescribed depth, and retreating it while a ground hardener is injected from a side nozzle. SOLUTION: An injection rod has an excav...

Ausführliche Beschreibung

Bibliographische Detailangaben

1. Verfasser:	SAWAMURA TOYOJI
Format:	Patent
Sprache:	eng
Schlagworte:	DREDGING EMBANKMENTS EXCAVATIONS FIXED CONSTRUCTIONS FOUNDATIONS HYDRAULIC ENGINEERING SOIL SHIFTING UNDERGROUND OR UNDERWATER STRUCTURES
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