Crack and damage assessment in concrete and polymer matrices using liquids released internally from hollow optical fibers

Carolyn M. Dry; William McMillan

doi:10.1117/12.240898

30 May 1996 Crack and damage assessment in concrete and polymer matrices using liquids released internally from hollow optical fibers

Carolyn M. Dry, William McMillan

Author Affiliations +

Proceedings Volume 2718, Smart Structures and Materials 1996: Smart Sensing, Processing, and Instrumentation; (1996) https://doi.org/10.1117/12.240898
Event: 1996 Symposium on Smart Structures and Materials, 1996, San Diego, CA, United States

Abstract

This was an investigation into the feasibility of using liquid core optical fibers for the detection and self repair of cracking in cement or polymer materials generated by dynamic or static loading. These experiments relied on our current research sponsored by the National Science Foundation. That work on the concept of internal adhesive delivery from hollow fibers for repair was here combined with the nondestructive fiber optic analysis of crack location and volume. The combination of the ability to remotely measure crack occurrence in real time and determine the location and volume of crack damage in the matrix is unique in the field of optic sensors. The combination of this with crack repair, rebonding of any detached or broken fibers, and replenishment of liquid core chemicals, when necessary, make this a potentially powerful sensing and repair tool. Work on this research topic was sponsored by the University of Illinois.

Citation Download Citation

Carolyn M. Dry and William McMillan "Crack and damage assessment in concrete and polymer matrices using liquids released internally from hollow optical fibers", Proc. SPIE 2718, Smart Structures and Materials 1996: Smart Sensing, Processing, and Instrumentation, (30 May 1996); https://doi.org/10.1117/12.240898

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