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本文结合实际工程介绍了Φ７００锤击沉管灌注桩在高层建筑基础工程中的应用。对该桩型在设计、施工方面的一些问题作了分析、研究，并与其它桩型进行了经济对比。
This paper introduces the application of Φ700 hammer sinking cast-in-place pile in the foundation engineering of high-rise building. Some problems in the design and construction of this pile type were analyzed and studied, and economic comparisons were made with other pile types.