Reliability of Gravity Foundation in Coral Sands Subject to Dynamic Wind Load

Zhong Qing Cheng; Ping Yang; Hai Bo Jiang

doi:10.4028/www.scientific.net/AMM.302.355

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Experimental and Numerical Study on Seismic Performance of Flat Columns under Bilateral Cyclic Loading
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Reliability of Gravity Foundation in Coral Sands Subject to Dynamic Wind Load
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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vol. 302Reliability of Gravity Foundation in Coral Sands...

Reliability of Gravity Foundation in Coral Sands Subject to Dynamic Wind Load

Abstract:

Taking circular gravity foundation of high-rise structure in coral sands as research object, on the basis of mechanical analysis of foundation during inclination, the inclination vibration equation was established. The amplitude of foundation inclination was calculated. The inclination performance function of foundation was established. JC method is used to calculate the reliability index of foundation. Calculation shows that the amplitude of wind velocity has great influence on the reliability index of foundation when the frequency of sinusoidal wind pressure equals the natural frequency of foundation in inclination vibration. In the design of foundation, the natural frequency of foundation in inclination vibration should be made as far away from the frequency of fluctuating wind pressure as possible.

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Periodical:

Applied Mechanics and Materials (Volume 302)

Pages:

355-358

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.302.355

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Online since:

February 2013

Authors:

Zhong Qing Cheng, Ping Yang, Hai Bo Jiang

Keywords:

Coral Sands, Dynamic Wind Load, Foundation, Inclination, Reliability

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