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SEISMIC ANALYSIS FOR A JETTING AND CEMENTING OCEAN PLATFORM
Author(s): 
Pages: 27-30
Year: Issue:  3
Journal: CHINA OFFSHORE PLATFORM

Keyword:  正压冲固海洋平台地震反应谱动刚度-阻尼;
Abstract: 对正压冲固平台这一新型的浅海海洋平台进行地震计算.将正压冲固基础简化为动刚度-阻尼系统,采用振型叠加和响应谱分析法,并根据<海上固定平台入级与建造规范(1992)>,计算了结构的最大可能位移响应;同时计算了延长六倍桩径后底端固支的模型.计算结果表明,后者由于没有考虑基础的刚度和阻尼特性,偏于保守.
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