The influence factors and strength variation of the deep mixing pile are analyzed, and the application of reflected wave method in the deep mixing pile test is investigated.

对深层搅拌桩强度变化及影响因素进行了分析，并就反射波法在深层搅拌桩检测中的适用性进行探讨。

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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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It also analyses the influence of attenuation of stress wave cased by the soil resistance and the damp of pile shaft material in dynamic pile test on the precision of pile shaft integrity test.

分析了动力试桩中，因土阻力和桩身材料阻尼引起的应力波衰减作用对桩身的完整性检测精度的影响。

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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.

FORBES: Magazine Article