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 pilefoundation.
The drilled-in pile is one type of foundation for bridge.
钻孔灌注桩是一种常用的桥梁基础形式。
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The authors discuss the basic conception about multi typepile composite foundation and composite modulus, and recommend the calculation methods on bearing capacity and deformation.