预应力锚杆由锚头、杆体及垫板组成，通过锚头产生的锚固力对围岩施加一定的预压应力，主动地加固围岩。
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.
试验成果为厂房预应力锚杆施工和监测提供了可靠的技术依据。
The results provided a reliable technical basis for the construction and monitoring of prestressed anchors in industrial buildings.
对深基坑支护的一种新技术——预应力锚杆柔性支护法作了简单介绍。
A new retaining method for deep excavation-prestressed anchor flexible retaining method has been developed by the authors.
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