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盾构隧道横向抗震设计分析方法与验证

, PP. 60-65

Keywords: 盾构隧道,分析方法,地震响应,离心试验

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Abstract:

随着地下空间大规模的开发和利用,建立地下结构的抗震设计规范已迫在眉睫。目前国内外学者在隧道的横向抗震分析方面提出了多种分析方法,包括地震系数法、相对刚度法、BART法、响应位移法、St.John法、Shukla法、Penzien法等,但这些方法均有其各自的局限性。文中主要介绍了上海市《地基基础设计规范》推荐的简化分析方法及响应位移法。同时,结合隧道地震响应的离心模型试验,验证了响应位移法的可行性与合理性。

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