Detection device for tunnel formation capable of preventing collapse and having stable supporting structure

The invention relates to a detection device for a tunnel stratum capable of preventing the collapse and having a stable supporting structure, and comprises a protective layer and movable sliding blocks. The outer wall of the outer part of the bottom of the protective layer is provided with a damping...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	WU YUYOU, ZENG WEI, CHENG MAYAO, FANG HONGFA, WU MIAOMIAO
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	DETECTING MASSES OR OBJECTS GEOPHYSICS GRAVITATIONAL MEASUREMENTS MEASURING PHYSICS TESTING
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