FBG-Based Sensing for Structural Health Monitoring of Road Infrastructure

<table class="figure-group"><tr class="fig-image" id="a"><td><object data="https://static.hindawi.com/articles/js/volume-2021/8850368/figures/8850368.fig.004a.svgz" name="8850368.fig.004a" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(a) </b>The operation principle [<a href="/journals/js/2021/8850368/#B27">27</a>]</td></tr><tr class="fig-image" id="b"><td><object data="https://static.hindawi.com/articles/js/volume-2021/8850368/figures/8850368.fig.004b.svgz" name="8850368.fig.004b" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(b) </b>D1–D7 deflection sensors</td></tr><tr class="fig-image" id="c"><td><object data="https://static.hindawi.com/articles/js/volume-2021/8850368/figures/8850368.fig.004c.svgz" name="8850368.fig.004c" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(c) </b>Dynatest 8000 FWD model used in this study</td></tr></table>

<div>FWD equipment for testing the pavement structure.</div>

Journal of Sensors

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Figure 4

Figure 4: FBG-Based Sensing for Structural Health Monitoring of Road Infrastructure 