桩-扩大头锚索和土钉墙联合的深基坑支护技术

Combined Supporting Technique of Pile,Expansion Head Anchor and Soil Nailing Wall for Deep Foundation Excavation

介绍了桩-扩大头锚索联合土钉墙支护技术进行基坑支护施工的情况。通过基坑支护设计,并在施工环节采取一些有效措施,克服了施工难点,使该技术在深基坑工程中得以较好应用。

This paper introduces construction technique of the pile-expansion head anchor combined soil nail wall supporting for foundation excavation. Through the support system design,some effective methods were taken in the construction process and construction difficulties were solved. The technique was applied successfully in a deep foundation excavation project.