Bizarre Waveforms in Strong Motion Records

<table class="figure-group"><tr class="fig-image" id="a"><td><object data="https://static.hindawi.com/articles/sv/volume-2015/630362/figures/630362.fig.0017a.svgz" name="630362.fig.0017a" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(a) </b>Corner frequency = 80 Hz</td></tr><tr class="fig-image" id="b"><td><object data="https://static.hindawi.com/articles/sv/volume-2015/630362/figures/630362.fig.0017b.svgz" name="630362.fig.0017b" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(b) </b>Corner frequency = 60 Hz</td></tr><tr class="fig-image" id="c"><td><object data="https://static.hindawi.com/articles/sv/volume-2015/630362/figures/630362.fig.0017c.svgz" name="630362.fig.0017c" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(c) </b>Corner frequency = 40 Hz</td></tr></table>

<div>Acceleration time history (UD, after low-pass filtering).</div>

Shock and Vibration

fig17

Figure 17

Figure 17: Bizarre Waveforms in Strong Motion Records 