Diagnosing unsafe bridges with sound of rain?

Kaustubh Katdare

Kaustubh Katdare

@thebigk • Oct 21, 2024
Engineering team at Brigham Young University (BYU) have found that the sound of rain can help determining the overall health of the bridge. The engineers call the method, impact-echo testing which identifies the sound produced by the rain droplets when they hit the bridge. The sound can help determining the flaws in the design or structure which can't be discovered through visual inspection.

I'm curious to know how exactly this type of testing works and what are the technical / economical advantages this method offers. If anyone interested in reading more about this update, head over to: #-Link-Snipped-#

Would love to have comments from our Civil & Structural folks.
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  • Mayur Pathak

    Mayur Pathak

    @mayur-ywQKfu • Dec 17, 2012

    Have you heard of the doppler effect? It is used to good effect in diagnosing chronic ailments in the body. A similar process is often used to detect whether a beam/ tower etc is fit or has it lived its age. This helps in timely demolition of the aging structures. Its a time frequency technique.

    Use of rain drops is interesting but remains to be seen if it is accurate. Besides, are they saying that we wait for the rain to fall before we can decide whether the bridge is fit or unfit? Better we use a hand shower 😛
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