Bridge Design & Engineering Magazine

The world’s leading bridge publication, London’s Bridge Design and Engineering, features RDI Technologies and its BridgeView line of products in its current issue.

Look and Learn

A new technology that enables fast, non-contact assessment of the structural stability of bridges could help prioritize them for further inspection, writes José María Sánchez de Muniáin

"The system can measure the frequency of vibrations of a cable and, if the mass density of the cable is known, determine the tension. The tension measurement can then be used to determine if it is within tolerance as well as compared to plan specs or previous readings to ensure it has not deviated significantly. “In addition, our technology can measure the amplitude of vibration to ensure excessive vibration is not occurring. Finally we can measure the damping parameter to ensure the cable is being properly damped,” explains Hay."

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