Underground geotechnical displacement measurement method and device based on Hall effect

The invention discloses underground geotechnical displacement measurement method and device based on Hall effect. The device is formed by connecting a plurality of measurement units in series, and the lower surface of each measurement unit is parallel to the upper surface of the other adjacent measu...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	LI QING, LI XIONG, CHI JINGU, LI MING, TONG RENYUAN
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	MEASURING MEASURING ANGLES MEASURING AREAS MEASURING IRREGULARITIES OF SURFACES OR CONTOURS MEASURING LENGTH, THICKNESS OR SIMILAR LINEARDIMENSIONS PHYSICS TESTING
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