预应力高强混凝土矩形桩斜压法施工技术在基坑支护中的应用

APPLICATION OF PRESTRESSED HIGH STRENGTH CONCRETE RECTANGULAR PILE DIAGONAL COMPRESSION CONSTRUCTION TECHNIQUE IN FOUNDATION PIT SUPPORT

介绍预应力高强混凝土矩形桩斜压法施工技术并与传统的垂直压桩进行比较,分析矩形支护桩斜压法的施工工艺、施工要点及施工效果,结果表明,预应力高强混凝土矩形桩斜压法施工效率高,成本低,节能环保,可减少扬尘,且可减小边坡变形,有利于边坡稳定,保证基坑安全。

This paper introduced the comparison between diagonal compression technique and traditional vertical compression technique of prestressed high strength concrete rectangular pile,analyzed the construction process,key construction points and construction effects of rectangular supporting pile diagonal compression method.The result showed the method has high construction efficiency,low construction cost,high energy-saving and environmental protection,low dust raising and small slope deformation,and it was beneficial for stabilizing side slope and ensuring safety in foundation pit excavation.