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沉入钢管干取土灌注桩是适用于软土地区的新型高效优质桩。本文介绍了干取土灌注桩的施工设备、工艺及其设计与质量检测方法，并简单分析了该桩型的技术经济特点。该桩型具有无泥浆污染、对邻周环境影响小、承载力大、质量可靠和工程造价低等优点，具有较大推广应用价值。
Sinking into steel pipe dry earth-boring piles is a new type of high-efficiency and high-quality piles suitable for soft soil areas. This paper introduces the construction equipment, technology and design and quality inspection methods of dry earth-sampling piles, and briefly analyzes the technical and economic characteristics of the piles. The pile type has the advantages of non-muddy pollution, small impact on neighboring environment, large bearing capacity, reliable quality and low construction cost, and has great popularization and application value.