Safety protection device for pile foundation hole opening and operation method of safety protection device

The invention relates to a pile foundation orifice safety protection device and an operation method thereof.The pile foundation orifice safety protection device comprises protection transverse rods and protection vertical rods, the protection transverse rods and the protection vertical rods are conn...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	GE YOUSHENG, SHU WENTAO, WANG SHUO, CHEN GUOYING, CHEN SHIYONG, HAO YANG, WANG XIAODONG
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	BUILDING BUILDING IMPLEMENTS OR OTHER BUILDING AIDS, OR THEIRUSE BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES EMBANKMENTS EXCAVATIONS FENCING FIXED CONSTRUCTIONS FORMS FOUNDATIONS HANDLING BUILDING MATERIALS ON THE SITE HYDRAULIC ENGINEERING MASTS REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTINGBUILDINGS SCAFFOLDING SHUTTERING SOIL SHIFTING SWIMMING OR SPLASH BATHS OR POOLS TENTS OR CANOPIES, IN GENERAL UNDERGROUND OR UNDERWATER STRUCTURES
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