The paper introduces the principle for the reinforced connection sleeve cold-formed pipe and its precautions,indicates its construction craft by combining with some engineering cases,analyzes its application effect in the bridge pile foundation construction,and proves it is safe, efficient and economical,so it can be further extended.%介绍了钢筋套筒冷挤压连接原理及注意事项，并结合工程实例，论述了钢筋套筒冷挤压连接的施工工艺，通过分析该技术在桥梁桩基施工中的应用效果，表明该技术具有安全、高效、经济等特点，值得推广应用。
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