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动载作用下饱和土壤液化的研究述评

, PP. 39-49

Keywords: 饱和土,土壤液化,地震荷载,爆炸荷载

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Abstract:

从土壤液化的机理、影响因素、液化的判别、液化的分析方法以及液化后土壤的性质等方面详述了动载(地震荷载和爆炸荷载)作用下的饱和土壤液化的国内外研究成果(主要是近十年的研究),并对其作出了述评。最后,对今后土壤液化的研究工作作出了展望,认为以下问题需要开展深入研究⑴液化分析中的土骨架的动力本构模型;⑵Rayleigh波对地震液化的影响;⑶建构物的存在对液化的影响;⑷液化后土的性质和液化引起的建构物破坏;⑸尤其爆炸液化问题。

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