According to the bearing mechanics and characteristics of pipe sinking gravel compaction pile and CFG pile the bearing capacity calculation method of this combined composite foundation is analyzed.
根据沉管挤密碎石桩和CFG桩组合型地基的承载机理和特性，分析了该组合型复合地基承载力的计算方法。
A new pile-driven technology named air curtain dry soil withdrawal can reduce resistance of a sinking pipe by withdrawing soil from the pipe and installing air curtain on the outside of pipe.
空气幕、套管内干取土沉管灌注桩这种新的施工工艺是通过套管内取土，套管外设空气幕来减少沉管阻力。
Through static loading contrast tests, it is found that the bearing capacity of ram-enlarged pile is higher than that of pipe-sinking cast-in-situ pile when both are tested under the same conditions.
通过静压对比试验，得出在条件基本相同时，夯扩桩的承载力大于沉管灌注桩。
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