Assessment of the Automation Algorithm for TDR Bridge - Ohio ...
Assessment of the Automation Algorithm for TDR Bridge - Ohio ...
Assessment of the Automation Algorithm for TDR Bridge - Ohio ...
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Measurements <strong>of</strong> scour<br />
Sensor measured water thickness (Normalized)<br />
1.2<br />
1<br />
0.8<br />
0.6<br />
0.4<br />
0.2<br />
0<br />
-0.2<br />
<strong>TDR</strong> method 1<br />
0 0.2 0.4 0.6 0.8 1 1.2<br />
1:1<br />
Ultrasonic method<br />
<strong>TDR</strong> method 2<br />
Ruler measured water thickness(Normalized)<br />
Prediction <strong>of</strong> scour depth using <strong>TDR</strong> and<br />
Ultrasonic method (<strong>TDR</strong> method 1; and<br />
<strong>TDR</strong> method 2)<br />
<strong>TDR</strong> method 1<br />
K<br />
K<br />
a,<br />
m<br />
a,<br />
w<br />
=<br />
x ⎛<br />
⎜<br />
L ⎜<br />
⎝<br />
K<br />
K<br />
a,<br />
bs<br />
a,<br />
w<br />
⎞<br />
−1⎟<br />
+ 1<br />
⎟<br />
⎠<br />
<strong>TDR</strong> method 2:<br />
Design equation<br />
72
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