brief communication: a low-cost arduino®-based wire extensometer for earth flow monitoring
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ID: 250657
2017
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Abstract
Continuous monitoring of earth flow displacement is essential for
the understanding of the dynamic of the process, its ongoing evolution and
designing mitigation measures. Despite its importance, it is not always
applied due to its expense and the need for integration with
additional sensors to monitor factors controlling movement. To overcome
these problems, we developed and tested a low-cost Arduino-based wire-rail
extensometer integrating a data logger, a power system and multiple digital
and analog inputs. The system is equipped with a high-precision position
transducer that in the test configuration offers a measuring range of 1023 mm
and an associated accuracy of ±1 mm, and integrates an operating
temperature sensor that should allow potential
thermal drift that typically affects this kind of systems to be identified and corrected. A field test,
conducted at the Pietrafitta earth flow where additional monitoring systems
had been installed, indicates a high reliability of the measurement and a
high monitoring stability without visible thermal drift.
| Reference Key |
guerriero2017naturalbrief
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|---|---|
| Authors | ;L. Guerriero;G. Guerriero;G. Grelle;F. M. Guadagno;P. Revellino |
| Journal | anziam journal |
| Year | 2017 |
| DOI |
10.5194/nhess-17-881-2017
|
| URL | |
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