The basic principle of simple high strain pile test method transformed from measured free fall of drop hammer is given in this paper.

给出测量自由落锤的加速度换算高应变试桩的动力的简易法的基本原理、测试操作与工程应用。

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Now theory about the qualitative analysis of pile test has come to maturity, however, little progress has been made on the quantitative analysis due to many factors.

目前定性评价基桩缺陷的理论已很成熟，而定量分析由于受到影响因素很多，进展缓慢。

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Then the results are compared with the parameters in actual pile test, and the relationship between the two parameters is gained to provide a reference for the back.

并与实际试桩的结果进行比较，得到了两者之间的关系，为后面对桩基作用下的动力参数提供参考。

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As long as the entrance requirements for universities and senior secondary schools remain based on the results of national exams which primarily test students' ability to memorise, parents will pile on the same pressures.

ECONOMIST: China

For private equity investors, the final test is whether a venture will generate sufficient cash flow to service the debt they plan to pile on it in order to pay themselves big dividends and recoup their initial investment--to "get their bait back, " in Wall Street parlance.

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