Plastic pipe sleeve concrete pile with changeable diameter

The utility model discloses a plastic pipe sleeve concrete pile capable of changing the diameter. The plastic pipe sleeve concrete pile comprises a double-wall plastic sleeve, a single-wall plastic sleeve, an arc-shaped hook device, a limiting device a and a limiting device b. One end of the double-...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	ZHANG YIRAN, WEI GANG, QIU MINGXUAN, FENG FEIFAN, HONG CHENTIAN, CHEN HAN, XU HAO, WANG QIN
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	EMBANKMENTS EXCAVATIONS FIXED CONSTRUCTIONS FOUNDATIONS HYDRAULIC ENGINEERING SOIL SHIFTING UNDERGROUND OR UNDERWATER STRUCTURES
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