The effects of permeable pile groynes laid out along the thalweg in control and guide the regime of the lower Yellow River have been studied through movable bed model tests.

通过河工动床模型试验，对沿治导线布设形式的透水桩坝在黄河下游控导河势的效果进行了研究。

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Based on the model of elastic-plastic mechanics, this paper presents the conception of equivalent ultimate settlement of single pile, which is studied with results of static loading tests on piles.

本文根据弹塑性力学模型，提出了单桩等效极限位移的概念，并结合桩的静载试验成果，对其进行了分析探讨。

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Model tests of large driven pile jacked into sands were conducted to obtain the soil density changes due to the compaction.

通过砂土中的大型沉桩模型试验，得出了桩周土体相对密度的变化规律。

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