Abstract

Controlling impact noise continues to be a challenging design issue in new and existing gyms. Within design and prediction phases, in-situ measurements on bare slab and flooring test samples are often required to reduce uncertainty. These can be intrusive, and to date, there is no consistent test methodology within the industry. This is further complicated by the nature of the problem comprising numerous source mass and height combinations, and the potential number of flooring samples to be tested. Emerging guidance within the UK will fill the gap on predictions for typical gym floors via reliance on engineering grade assumptions and empirical limits, however, this does not reduce the need for robust in-situ test data to complement predictive approaches. There is a need for a methodology bridging the gap between prediction and in-situ elements which is reliable, time efficient and can be used on wider source cases and in varied locations or structures. The paper presented discusses potential ways of simplifying prediction and testing strategies, with a view to estimating noise and vibration levels from bare slabs only. Furthermore, a potential method is showcased whereby the noise and vibration levels in the presence of a flooring solution can be predicted.

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