Perpendicularity and penetration auxiliary device for hammering construction of precast pile and using method of perpendicularity and penetration auxiliary device

The invention provides a precast pile hammering construction perpendicularity and penetration auxiliary device and a using method thereof.The precast pile hammering construction perpendicularity and penetration auxiliary device comprises a penetration ring, pushing pieces, a controller and an alarm,...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	ZHU SHENGZHEN, PAN DONG, CHEN LINKANG, WU CHUANMENG
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	EMBANKMENTS EXCAVATIONS FIXED CONSTRUCTIONS FOUNDATIONS HYDRAULIC ENGINEERING SOIL SHIFTING UNDERGROUND OR UNDERWATER STRUCTURES
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