| Stochastic Response Analysis of Piled Offshore Platforms to Earthquake Load |
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| 作者单位： | Zhang Lifu Luo Chuanxin Engineer，Institute of Offshore Engineering，Tianjin University，Tianjin，300072 Professor，Institute of Offshore Engineering，Tianjin University，Tianjin，300072 |
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| 摘 要： | - In this paper, using the theory of stochastic analysis of the response to earthquake load, a stochastic analysis method of the response of piled platforms to earthquake load has been established. In the method, the strong ground motion is considered as three dimensional stationary white noise process and the pile-soil interaction and water-structure interaction are considered. The stochastic response of a typical platform to eqrthquake load has been computed with this method and the results compared with those obtained with the response spectrum analysis method. The comparison shows that the stochastic analysis method of the response of piled platforms to earthquake load is suitable for this kind of analysis.
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Stochastic Response Analysis of Piled Offshore Platforms to Earthquake Load |
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| Authors: | Zhang Lifu Luo Chuanxin Engineer |
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| Institution: | Zhang Lifu Luo Chuanxin Engineer,Institute of Offshore Engineering,Tianjin University,Tianjin,300072 Professor,Institute of Offshore Engineering,Tianjin University,Tianjin,300072 |
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| Abstract: | - In this paper, using the theory of stochastic analysis of the response to earthquake load, a stochastic analysis method of the response of piled platforms to earthquake load has been established. In the method, the strong ground motion is considered as three dimensional stationary white noise process and the pile-soil interaction and water-structure interaction are considered. The stochastic response of a typical platform to eqrthquake load has been computed with this method and the results compared with those obtained with the response spectrum analysis method. The comparison shows that the stochastic analysis method of the response of piled platforms to earthquake load is suitable for this kind of analysis. |
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| Keywords: | piled offshore plat form dynamic response stochastic vibration earthquake wave stationary process |
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