Monitoring Excavation-Induced Deformation of a Secant Pile Wall Using Distributed Fiber Optic Sensors

Monitoring Excavation-Induced Deformation of a Secant Pile Wall Using Distributed Fiber Optic Sensors

This paper investigates the use of the BOTDA (Brillouin Optical Time-Domain Analysis) technology to monitor a large-scale bored pile wall in the field. Distributed fiber optic sensors (DFOSs) were deployed to measure internal temperature and strain changes during cement grouting, hardening, and exca...

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Bibliographic Details
Main Authors: Chengyu Hong, Chengkai Xu, Weibin Chen, Jianwei Liu, Junkun Tan
Format: Article
Language:English
Published: MDPI AG 2025-01-01
Series:Sensors
Subjects:
BOTDA
distributed fiber optic sensors
bored pile wall
excavation
Online Access:https://www.mdpi.com/1424-8220/25/1/254
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