Monitoring a Concrete Arch Bridge During Construction Using Fiber Optic Sensors

Topics:
Civil and Environmental
Tags:
Fiber Optics,
Fiber-optics,
Monitoring,
Network Technology,
Networking,
Optical Networking,
Sensor,
SMARTEC,
Telecommunications
Source:
SMARTEC

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Overview: This paper briefly introduces the functional principle of the long-gage sensors used in this application, illustrate their installation and discuss the measurement results obtained during construction. The installed SOFO fiber optic sensors have a measurement basis between 3m and 5m and were installed in pairs in the concrete arch. Measuring the deformations of these pairs of sensors it is possible to determine the curvature change in each of the instrumented arch segments. By a double-integration of the obtained curvature function it becomes possible to calculate the out-of-plane displacements of the arch.

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Format: PDF | Size: 152KB | Date: Jul 2001 | Pages: 6

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