关 键 词： 盾构掘进；土体变形；数值模拟； FLAC3D [gap=679]Key words: shield tunneling; soil deformations; numerical simulation; FLAC3D
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Soil softening and liquefaction due to earthquake cause permanent deformations and displacements of submerged slope.
地震动使海底倾斜土层软化、液化并产生永久变形和位移。
A site including expansive soil layer with high swelling pressure is chosen to illustrate the influence of thickness and position of expansive soil layer on upheaval deformations.
对一个含高膨胀压力的膨胀土层的场地计算了地面上抬变形，以说明膨胀层位置及厚度对地面上抬变形的影响。
A method of prediction of the upheaval deformations on the basis of soil softening is formulated.
基于软化模型提出了一个地面上抬变形的计算方法及其公式。
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