Definition
Inclinometer measurements are widely used for monitoring of landslides, retaining walls, piles, and in all the contexts where is necessary to measure deep-seated ground deformations. This value is calculated indirectly by using the difference of the inclination of an inclinometer casing installed on a borehole.
Characteristics
The horizontal deformation is calculated analyzing the difference of inclination over the time, obtained with the measurements at predefined depths. The measurement is done using a dedicated probe, lowered to the bottom of the inclinometer tube. The probe holds two sensors for measuring the inclination of the tube in two orthogonal planes. This allows the calculation of the displacement vector of each analyzed point. The probe is kept coaxial to the tube by means of wheels running inside the grooves that characterize the inclinometer tube (Fig. 1). In order to minimize the influence of the bias-shift effect and to identify coarse measurement errors, a...
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References
Dunnicliff J (1988) Geotechnical instrumentation for monitoring field performance. Wiley, New York, pp 199–296
Lollino G (1992) Automated inclinometric system. In: Bell David H (ed) Proceedings of the 6th international symposium on landslides, Christchurch, New Zealand, 10–14 February 1992. A.A. Balkema, Rotterdam, pp 1147–1150
Lollino G, Arattano M, Allasia P, Giordan D (2006) Time response of a landslide to meteorological events. Nat Hazards Earth Syst Sci 6:179–184
Mikkelsen PE (2003) Advances in inclinometer data analysis. In: Myrvoll (ed) Proceedings of the 6th international symposium on field measurements in geomechanics, Oslo, Norway, September 2003. pp 555–566
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Lollino, G., Allasia, P., Giordan, D. (2018). Inclinometer. In: Bobrowsky, P., Marker, B. (eds) Encyclopedia of Engineering Geology. Encyclopedia of Earth Sciences Series. Springer, Cham. https://doi.org/10.1007/978-3-319-12127-7_167-2
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DOI: https://doi.org/10.1007/978-3-319-12127-7_167-2
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Chapter history
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Latest
Inclinometer- Published:
- 26 December 2017
DOI: https://doi.org/10.1007/978-3-319-12127-7_167-2
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Original
Inclinometer- Published:
- 24 October 2017
DOI: https://doi.org/10.1007/978-3-319-12127-7_167-1