Injection of material into the ground uses a small diameter PVC pipe through the ring zone occupied by the drilling pipe shaft to carry a microphone for controlled development of the injected column

The assembly for a high pressure injection into the ground, such as a cement suspension, has a conventional pipe (PE) of polyvinyl chloride (PVC) in a small diameter, with a microphone (M), within the ring zone (R) which was occupied by the drill pipe shaft. An injection column (1,N) is formed by hi...

Ausführliche Beschreibung

Bibliographische Detailangaben

1. Verfasser:	SCHORR, CLAUS-PETER
Format:	Patent
Sprache:	eng ; ger
Schlagworte:	EMBANKMENTS EXCAVATIONS FIXED CONSTRUCTIONS FOUNDATIONS HYDRAULIC ENGINEERING SOIL SHIFTING UNDERGROUND OR UNDERWATER STRUCTURES
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