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以329国道改建(北仑段大榭叉口改造)工程中,采用大直径现浇混凝土薄壁筒桩对软土地基进行加固处理的工程方法为例,介绍了大直径筒桩承载力的计算,并对施工完成的桩体进行沉降观测。结果证明,大直径筒桩对软土地基能够起到较好的处理作用。
Taking the reconstruction of State Road 329 (Daxie forklift reconstruction in Beilun section) project, the engineering method of strengthening treatment of soft soil foundation by using large-diameter cast-in-situ concrete thin-wall tubular pile is taken as an example to introduce the calculation of bearing capacity of large- And the completion of the construction of the pile settlement observation. The results show that large diameter tubular piles can play a better role in treating soft ground.