The Structural Engineer > Archive > Volume 72 (1994) > Issues > Issue 20 > Evaluation of Methods for Predicting Occupant-Induced Vibrations in Concrete Floors
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Evaluation of Methods for Predicting Occupant-Induced Vibrations in Concrete Floors

The problem of occupant-induced vibrations in buildings is one of growing importance. Until recently this problem was thought to be confined to floors of timber or composite construction, but in this paper it is shown that some recently constructed concrete floors are sufficiently light and flexible to give rise to disturbing levels of vibration. Methods of designing concrete floors against occupant-induced vibrations are evaluated against an extensive programme of field tests and are found to be deficient in two respects: prediction of the free vibration characteristics of 2-way spanning floors and estimation of structural response to excitations such as walking and heel drop. Martin S. Williams and Peter Waldron

Author(s): Williams, Martin S;Waldron, Peter

Keywords: appraising;methods;forecasting;vibration;people;floors;concrete;design;walking;comparing