High resolution monitoring of strain fields in concrete during hydraulic fracturing processes
Abstract
We present a distributed fiber optic sensing scheme to image 3D strain fields inside concrete blocks during laboratory-scale hydraulic fracturing. Strain fields were measured by optical fibers embedded during casting of the concrete blocks. The axial strain profile along the optical fiber was interrogated by the in-fiber Rayleigh backscattering with 1-cm spatial resolution using optical frequency domain reflectometry (OFDR). The 3D strain fields...
Paper Details
Title
High resolution monitoring of strain fields in concrete during hydraulic fracturing processes
Published Date
Feb 17, 2016
Journal
Volume
24
Issue
4
Pages
3894 - 3894
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