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- W2348584408 abstract "At present,Longchang aqueduct in Guizhou Province is the largest arch span aqueduct in China.The pulsating wind frequency characteristics analysis plays an important guiding role in design.The first twenty natural frequencies of the Longchang aqueduct were calculated in water and anhydrous conditions,and the corresponding vibration modes were analyzed.The maximum designed wind velocity for once in 50 years of Longchang aqueduct,which is obtained by using extreme value Ⅰ-type probability distribution function,is 17.6 m/s.For the 3 strong breeze velocities during 1986-2010 and the maximum designed wind velocity for once in 50 years,pulsating wind power spectrum density at typical elevation of Longchang aqueduct was calculated.By comparing natural frequency and the frequency corresponding to the significant value of pulsating wind power spectrum density,it is shown that the resonance phenomenon of the Longchang aqueduct will not occur at above wind velocities." @default.
- W2348584408 created "2016-06-24" @default.
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- W2348584408 date "2013-01-01" @default.
- W2348584408 modified "2023-09-28" @default.
- W2348584408 title "Analysis of Pulsating Wind Frequency Characteristics for Super Large-span Aqueduct" @default.
- W2348584408 hasPublicationYear "2013" @default.
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