Tunnels & Underground Engineering
Pile Foundation Strain & Internal Stress Monitoring
Case Overview
UW-FBG sensors were embedded in pile foundations to monitor strain and internal stress distribution during construction and service life. The distributed sensing approach provided unprecedented insight into the load-bearing behavior of deep foundations.
Application Value
Distributed strain monitoring in pile foundations, optimized foundation design, early anomaly detection.
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Figure: UW-FBG sensors embedded in pile foundation reinforcement cage for distributed strain and internal stress monitoring.
Figure: Axial strain distribution and skin friction data captured during static load testing and in-service conditions.
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