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Title: Acceleration response spectrum of a long span floor under human walking loads
Authors: Chen, J
Ye, T
Peng, YX
Keywords: Human walking loads
Long span concrete floor
Parametric analysis
RMS acceleration response spectrum
Issue Date: 2014
Publisher: 中國學術期刊 (光盤版) 電子雜誌社
Source: 振动与冲击 (Journal of vibration and shock), 2014, v. 33, no. 24, p. 1-7 How to cite?
Journal: 振动与冲击 (Journal of vibration and shock) 
Abstract: Here, the acceleration response spectrum of a long span floor under human walking loads was studied. Three hundreds and twenty experimental measurements of walking load curves were applied to a long span floor to obtain a 10-second root-mean-square acceleration response spectrum in the vertical vibration direction, based on it a simplified calculation expression was suggested for the root-mean-square acceleration response of the floor within the frequency range of 3-20Hz. The effects of several parameters including higher order vibration modes, boundary condition, floor span, stride length and damping ratio on the spectrum were studied and the corresponding modifying measures were suggested. The detailed implementation procedure of the suggested response spectrum was presented. The feasibility and applicability of the suggested spectrum were validated by comparing the prediction results with field measurements of an existing long span floor.
ISSN: 1000-3835
DOI: 10.13465/j.cnki.jvs.2014.24.001
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