Seismic Ground Vibrations

Many industrial, urban and transportation operations result in ground-borne vibration, which may be perceptible to humans, and can even be damaging to adjacent buildings and structures.

Many industrial, urban and transportation operations result in ground-borne vibration, which may be perceptible to humans, and can even be damaging to adjacent buildings and structures. In situations where ground-borne vibration is imperceptible to humans it may still be extremely problematic for nearby scientific equipment, such as telescopes or gravitational wave detectors.  A variety of activities can result in such vibrations, for example, railroads, motorways, onshore wind turbines, pile driving, quarrying, and blasting.  The impact of these activities on the surrounding environment should be evaluated and in situations where new development near an existing vibration source is planned, the vibration levels expected at the new site should be estimated.

Xi can assist with project delivery by monitoring these vibrations and offering advice in resolving, mitigating and meeting the relevant standards.  By making use of various types of measuring equipment, including Syscom, Guralp, and Vibrock seismometers, Xi are able to capture all relevant vibration data.  The seismic data can then be post processed using a variety of statistical tools to determine the effects of ground-borne vibration.  When relevant, such as when assessing the impact on humans, the data can be analysed with respect to whole body vibration and effective dose value.

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