预应力锚钉支护在主干道旁深基坑中的应用

On application of prestressed anchoring nail support in deep foundation pit beside arterial ways

以咸阳国际机场二期扩建T3A航站楼主楼工程为例,结合工程地质及水文条件,介绍了预应力锚钉支护在主干道旁深基坑中的应用,具体阐述了方案设计,逐层放坡方式,监测方案,排水方案,变形监测方案等内容,并针对施工中主要问题提出了解决措施,为类似工程积累了经验。

Taking the main building extension project in T3A airport building in second period of Xianyang international airport as an example,combining with the project geological and hydrological conditions,introduces the application of the prestressed anchoring nail support in deep foundation pit beside arterial ways,illustrates the scheme design,including the way of layerby-layer sloping,the inspection scheme,the drainage scheme and deformation inspection scheme and so on,and points out some solutions for some problems,so as to accumulate experience for similar projects.