The pedestal post-injected caisson pile is a new type of pile that is derived from the two construction technologies of pedestal pile and post-injecting based on the common caisson pile.

扩底后注浆灌注桩是在普通灌注桩基础上通过扩底和后注浆两种施工工艺结合所衍生出来的一种新桩型。

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The influence of the pile type and the friction angle of the contact surface on the limit bearing capacity of the piles and the composite foundation is discussed with an example.

通过算例，讨论了桩型及桩土接触面上的摩擦角对散体材料桩及其复合地基极限承载力的影响。

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The CM composite foundation is a kind of new type composite ground based on working principle, cushion effect, stress-passing characteristic and stress analysis of the single pile foundation.

CM桩复合地基是在原有的单一桩复合地基的工作机理、垫层效应、传力特性、应力分析的基础上提出的一种新型复合地基。

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