Tunnel cambered surface collapse detection device

The tunnel cambered surface collapse detection device comprises frames, a detection part and a central control panel, the frames are arc-shaped metal plates with openings in the bottoms, the frames are arranged in parallel in the front-back direction of the detection device, the tail ends of the fra...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	ZHANG TENG, QIU DEJUN, ZHOU YANG, ZHU DELONG, ZHAO YUSHUN, HUA XINGLIN, ZHANG LIPING, LI JIN, MENG SONGSONG, SONG JIAN
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	DETECTING MASSES OR OBJECTS GEOPHYSICS GRAVITATIONAL MEASUREMENTS MEASURING PHYSICS TESTING
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