后压浆钻孔灌注桩可以大大改善桩体的受力性能，提高单桩承载力，是对传统工法的一项重大突破。
The posterior grouting bored pile can greatly improve the pile's bearing performance and increase the pile capacity through the improvement to traditional process.
介绍了钻孔压浆桩的工法及其施工工艺，应用范围和应注意的问题，分析了影响其承载力的因素和提高单桩承载力的途径。
The paper presents the technology and construction methods of drilling press-plasm pile, and also introduces the applied fields and some noteworthy problems during the construction.
基坑；预应力锚杆；钻孔灌注桩；施工工法。
Foundation pit; Prestressed anchor bar, Bored cast-in-situ pile; Construction method.
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