An Experimental Investigation on Flexural Behavior of Reinforced Concrete Beams Strengthened by an Intelligent CFRP Plate with Built-In Optical Fiber Bragg Grating Sensors

<table class="figure-group"><tr class="fig-image" id="a"><td><object data="https://static.hindawi.com/articles/js/volume-2018/4271751/figures/4271751.fig.0011a.svgz" name="4271751.fig.0011a" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(a) </b>Tension stage</td></tr><tr class="fig-image" id="b"><td><object data="https://static.hindawi.com/articles/js/volume-2018/4271751/figures/4271751.fig.0011b.svgz" name="4271751.fig.0011b" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(b) </b>Short-term prestress loss stage</td></tr></table>

<div>Comparisons of strains between FBGs and strain gauges during the process of short-term prestress loss. Note: B1 refers to B-GR-0-T; B2 refers to B-LR-0-T; B3 refers to B-AC-0-T; B4 refers to UB-GR-0-T; B5 refers to UB-GR-300-T; B6 refers to UB-NG-300-T.</div>

Journal of Sensors

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Figure 11

Figure 11: An Experimental Investigation on Flexural Behavior of Reinforced Concrete Beams Strengthened by an Intelligent CFRP Plate with Built-In Optical Fiber Bragg Grating Sensors 

Figure 11 | An Experimental Investigation on Flexural Behavior of Reinforced Concrete Beams Strengthened by an Intelligent CFRP Plate with Built-In Optical Fiber Bragg Grating Sensors 