This paper presents the classical elastic response spectra of a single-degree-of-freedom system (SDOF) which is obtained from the measured data of the force caused by a wind named Bora. All the data of the wind force are obtained by measurements on a SDOF oscillator. The spectra are constructed for different intensities of the dynamic wind force. A non-dimensional elastic spectrum is constructed from the data according to the principle of the average value envelope. An approximate method for determining the elastic spectrum function for the observed location and a particular SDOF, based on the known data of the average wind velocity, is suggested in this paper. Elastic response spectrum can be used for the calculation of the wind effect on the structure by the modal response spectrum analysis. |
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