Journal of the Japan Society of Engineering Geology
Online ISSN : 1884-0973
Print ISSN : 0286-7737
ISSN-L : 0286-7737
Study on System Accuracy and Application of High Resolution In-hole Inclinometers for Engineering Purposes
Satoru OHYA
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1977 Volume 18 Issue 1-2 Pages 13-25

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Abstract
Recently a new Geotechnical Instrument “Inclinometer of servo-accelerometer” has been developed and introduced. This new Inclinometer is characterized by the high resolution mainly depending on the unique sensing mechanism of closed loop servo accelerometer.
In this report, many laboratory and field calibration or correlation test results for this type inclinometers, which have been carried by author, are presented.
Tests on two inclinometers, the OYO-TTC Mini-Probe, and the SINCO Digitilt show a similar performance under laboratory and field conditions with an accuracy which is acceptable engineering purposes.
Vertical profiles of Horizontal Movements and Horizontal Profiles of Vertical Movements may be measured with this type inclinometer very satisfactory.
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© Japan Society of Engineering Geology
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