Big-span roof and super high-rise building structure wind vibration response detecting and computing method
A technology of building structure and wind vibration response, which is applied to the testing of machines/structural components, measuring devices, instruments, etc., which can solve the problems of low calculation efficiency, large memory space, and large calculation load, and achieve the effect of saving occupancy
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[0033] Use multi-point synchronous pressure measuring equipment to measure the wind pressure signal on the surface of the structure to obtain the excitation time history acting on the building, directly calculate the modal coordinates and the Fourier transform of the node displacement response from the Fourier transform of the excitation tail function, and then calculate the modal The power spectrum density function of the response and the displacement response of the main node, and the covariance of the modal coordinate response and the node displacement response for the equivalent static wind load calculation. See the algorithm flow of the present invention figure 1 .
[0034] Actual application results:
[0035] figure 2 In order to use this method and CQC to calculate the maximum dynamic displacement of a super high-rise building under different winds, it can be seen that the calculation results of this method and CQC method are consistent.
[0036] image 3 with Figure 4 ...
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