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Distributed Fibre Optic Inclinometer with Cloud-based Monitoring System by Hisham Mohamad; Aizat Akmal A.M. Beddelee; Muhammad Farid Ghazali; Hsiu Eik Lee; Krisada Chaiyasarn; Muhammad Yusoff M. Nasir is a Engineering article available to read on EtoBox.

What is Distributed Fibre Optic Inclinometer with Cloud-based Monitoring System about?

Geotechnical instrumentation and monitoring are important aspect of controlling subsurface ground movement, particularly in deep excavations and forewarning of geological disasters such as landslides, land subsidence, ground fissure, and surface collapse. A borehole inclinometer is an example of the established method to monitor such ground movements. For real-time data, a series of in-placed inclinometer probes are installed inside the borehole casing to provide the lateral displacement response over time. The limitation of the conventional system is the high cost and the practicality of inserting a high number of sensing probes into the casing for better measurement accuracy. Recent advancement in Distributed Optical Fibre Strain Sensing (DOFS) enables the incorporation of DOFS as a fibre optic (FO) inclinometer with lateral displacements to be plotted at centimetres spacing and is unaffected by the gauge lengths between the probes. This study enhances the FO inclinometer by developing a web-based application (SmartGeopipe©) to automate data acquisition which also includes complex data processing for the final pipe deflection profile visualisation. The FO inclinometer comprised o

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Author

Hisham Mohamad; Aizat Akmal A.M. Beddelee; Muhammad Farid Ghazali; Hsiu Eik Lee; Krisada Chaiyasarn; Muhammad Yusoff M. Nasir

Publisher

Elsevier BV

Published

2023

Language

EN

Field

Engineering (Physical Sciences)