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CFG桩在高速公路软土地基处治中的应用
引用本文:崔晟东.CFG桩在高速公路软土地基处治中的应用[J].交通标准化,2009(11):114-117.
作者姓名:崔晟东
作者单位:河北省交通规划设计院试验检测室,河北石家庄050091
摘    要:CFG桩即水泥粉煤灰碎石桩,它吸收了振冲碎石桩和水泥搅拌桩的优点,充分发挥了桩间土的承栽能力。在高速公路软土地基处治中,通常采用振动沉管灌注工艺,其施工工艺简单,处治效果明显,有很高的应用推广价值。

关 键 词:CFG桩  软基处治  振动沉管

Application of CFG Pile in Soft Foundation Disposal of Expressway
CUI Sheng-dong.Application of CFG Pile in Soft Foundation Disposal of Expressway[J].Communications Standardization,2009(11):114-117.
Authors:CUI Sheng-dong
Institution:Inspection & Testing Center;Hebei Provincial Communications Planning and Design Institute;Shijiazhuang 050091;China
Abstract:CFG pile, which is short for cement fly-ash gravel pile, absorbs the advantages of vibrating crashed gravel piles and cement mixing piles, and adequately exerts the carrying capacity ofsoil between piles. In the soft foundation disposal of expressway, the perfusion technique of vibrating immersed pipe which has simple construction technique and prominent disposal effect is adopted commonly, thereby it has high value for generalization and application.
Keywords:CFG pile  soft foundation disposal  vibrating immersed pipe  
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