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Human footsteps induced floor vibration.

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Author

Summary, in English

The generation of the impact sound by the act of the human walk involves two factors, the characters of the footfall and the shape of the induced floor deflection. The footfall noise is created by the impact excitation and the characters of the footfall depend on the foot-ware: the heels and the frequencies of the footfall. The shape of the floor deflection depends rather on the geometrical walking pattern and the construction of the floor structure. In this investigation, the vibration patter of the light-weight construction floor is created by the same walking object, a male with common height. The excitation from the person to the floor in the FE simulations is a function of the length of the foot and the weight of the walking object. The geometrical time history is of the foot step allows it to have different directions in the room. Since the excitation is assumed to be deterministic, differences between the excitation frequencies are estimated from the video records. The goal of this investigation is to determine the difference of the floor structure deflections between two different walking paths: one is perpendicular to the bearing beams and the other is the diagonal path.

Publishing year

2008

Language

English

Pages

3356-3356

Publication/Series

The Journal of the Acoustical Society of America

Volume

123

Issue

5

Document type

Journal article

Publisher

American Institute of Physics (AIP)

Topic

  • Mechanical Engineering
  • Fluid Mechanics and Acoustics

Status

Published

ISBN/ISSN/Other

  • ISSN: 1520-8524