It is shown that the critical cyclic stress ratio of cement-soil pile composite foundation is bigger than that of saturated soft foundation and is not affected by cement mixing ratio basically.

试验结果表明，在循环荷载作用下复合地基同样存在临界循环应力比，其值大于单纯饱和软基的临界循环应力比，而且受水泥掺入比的影响不显著。

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The results indicate that cement mixing ratio, water content and comparative effort have important influence on shear strength, compressibility and microstructure of the compacted cement -loess.

试验研究表明，水泥掺入比、初始含水量和夯实功对夯实水泥黄土的抗剪强度、压缩性和微观结构有着重要的影响。

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The standard bearing capacity of single deep cement mixing pile and its displacement ratio are briefly described.

概述深层水泥搅拌桩； 设计单桩承载力标准值及置换率；

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