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Infrasound Assessment of a Railroad Bridge
- Publisher: European Association of Geoscientists & Engineers
- Source: Conference Proceedings, 22nd EEGS Symposium on the Application of Geophysics to Engineering and Environmental Problems, Mar 2009, cp-157-00037
Abstract
Infrasound is acoustic energy whose frequency is below that of human perception. Large<br>infrastructure, such as bridges, emits such signals at their natural or driven frequencies of vibration.<br>These frequencies can provide an indication of the structural condition.