Monitoring of the ground settlement during a tunnel excavation using 4D optical fiber sensing system

Artur Guzik; Mitsunori Yokoyama; Kimihiko Matsuda; Kinzo Kishida

doi:10.1117/12.2026148

20 May 2013 Monitoring of the ground settlement during a tunnel excavation using 4D optical fiber sensing system

Artur Guzik, Mitsunori Yokoyama, Kimihiko Matsuda, Kinzo Kishida

Proceedings Volume 8794, Fifth European Workshop on Optical Fibre Sensors; 87943H (2013) https://doi.org/10.1117/12.2026148
Event: Fifth European Workshop on Optical Fibre Sensors, 2013, Krakow, Poland

Abstract

In this paper we present an engineering application of optical fiber distributed sensing for monitoring of the ground settlement during a tunnel excavation. The design, installation methods, and implementation of 4D (space plus time) warning system are outlined. The ground settlement was closely monitored for entire 6 months of tunnel construction process, revealing a wide range of geomechanical phenomena. Obtained on-line vertical displacements allowed engineers to control the excavation speed and monitor ground settlement, contributing substantially to the overall reliability and safety.

Citation Download Citation

Artur Guzik, Mitsunori Yokoyama, Kimihiko Matsuda, and Kinzo Kishida "Monitoring of the ground settlement during a tunnel excavation using 4D optical fiber sensing system", Proc. SPIE 8794, Fifth European Workshop on Optical Fibre Sensors, 87943H (20 May 2013); https://doi.org/10.1117/12.2026148

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