Based on three vertical shear models of soil an approach to calculate the displacements of large diameter cylindrical wall is presented here.

采用三种筒内外土体对筒壁的纵向切力模型，提出了一种计算大直径圆筒挡墙结构变位的方法。

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Combined with a project example of a big diameter drilling pole pile, the load-settlement curve and load transfering law of pile and soil FEM are analyzed.

结合某大直径钻孔灌注桩工程实例，分析了桩土模型的荷载-沉降曲线及荷载的传递规律。

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The disturbance of soil sample varies according to diameter of sampler.

不同直径的取土器对取样扰动的影响程度不同；

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Capable of resolutions better than 0.1mm - the diameter of a human hair - it allows archaeologists to carefully examine material while still encased in soil.

BBC: Technology