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Abstract
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| Crowd induced dynamic loading in large structures, such as gymnasiums or stadiums, is usually modelled as a series of harmonic loads which are defined in terms of their Fourier coefficients. Different values of these Fourier coefficients that were obtained from full scale measurements can be found in codes. Recently, an alternative has been proposed, based on random generation of load time histories that take into account phase lags among individuals inside the crowd. Generally the testing is performed on platforms or structures that can be considered rigid because their natural frequencies are higher than the excitation frequencies associated with crowd loading. In this paper we shall present the testing done on a structure designed to be a gymnasium, which has natural frequencies within that range. In addition, its measurements will be compared with predictions made using the two abovementioned existing alternatives for crowd induced load modeling. | |
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International
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No |
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Congress
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Issues on Mechanical and Civil Engineering |
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960 |
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Place
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Madrid |
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Reviewers
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Si |
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ISBN/ISSN
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978-84-939196-7-2 |
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Start Date
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16/11/2012 |
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End Date
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16/11/2012 |
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From page
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361 |
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To page
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374 |
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Issues on Mechanical and Civil Engineering |