Since few static tests are carried out to determine the capacity of large - diameter concrete pipe pile, dynamic pile test method is widely used to determine its bearing capacity.

在缺少大直径混凝土管桩静载试验的情况下，现在普遍采用了动测试桩的方法确定大管桩承载力。

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Aimed at the pile foundation in frozen soil of a high voltage transmission line project in Xinjiang Region, a laboratory tensile model test is carried out under artificial frozen condition.

以新疆地区某高压输电线冻土桩基础受力分析为背景，在人工冻结条件下，进行了单桩的室内抗拔模型试验。

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In order to understand float resisting mechanism and its characteristic a test on the bored cast-in-place pile with enlarged bottom and up-lift resistance pile with equal section is carried out.

为了了解扩底抗拔桩的抗拔机理和抗浮特点，进行扩底抗拔桩和等截面抗拔桩的试桩试验。

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