Application and characterization of intracore grating sensors in a CFRP prestressed concrete girder

A. Tino Alavie; Robert Maaskant; Myo Myint Ohn; Sami Rizkalla; Raymond M. Measures

doi:10.1117/12.173937

1 May 1994 Application and characterization of intracore grating sensors in a CFRP prestressed concrete girder

A. Tino Alavie, Robert Maaskant, Myo Myint Ohn, Sami Rizkalla, Raymond M. Measures

Proceedings Volume 2191, Smart Structures and Materials 1994: Smart Sensing, Processing, and Instrumentation; (1994) https://doi.org/10.1117/12.173937
Event: 1994 North American Conference on Smart Structures and Materials, 1994, Orlando, FL, United States

Abstract

Intracore Bragg grating sensors have been bonded on to the CFRP tendons of a prestressed concrete girder. The sensors survived both the installation procedure and casting of the concrete beam. Sensor performance is characterized in terms of maximum tensile strength and fatigue behavior. The fiber sensors survived strains of greater than 8000 (mu) (epsilon) and showed no change in either center wavelength or spectral content for 2000 (mu) (epsilon) over 320,000 cycles. The intracore grating sensor was used in a static loading test of the girder to failure and showed excellent stability and durability in comparison with the conventional technology.

Citation Download Citation

A. Tino Alavie, Robert Maaskant, Myo Myint Ohn, Sami Rizkalla, and Raymond M. Measures "Application and characterization of intracore grating sensors in a CFRP prestressed concrete girder", Proc. SPIE 2191, Smart Structures and Materials 1994: Smart Sensing, Processing, and Instrumentation, (1 May 1994); https://doi.org/10.1117/12.173937

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