Cast-in-place pile drilling secondary cleaning device

The invention relates to the technical field of cast-in-place piles, in particular to a cast-in-place pile drilling secondary cleaning device which comprises an air injection pipe and further comprises an air outlet pipe and at least one stirring piece, a plurality of air outlet holes are formed in...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	LU PING, LI FENG, LEI QINGGUAN
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	EARTH DRILLING EARTH DRILLING, e.g. DEEP DRILLING FIXED CONSTRUCTIONS MINING OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS
Online-Zugang:	Volltext bestellen
Tags:	Tag hinzufügen Keine Tags, Fügen Sie den ersten Tag hinzu!