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PHC管桩是高强混凝土预应力管桩的简称,在工业与民用建筑中有大量应用,具有单桩承载力高、造价便宜、施工便捷等诸多优点。本文依据泗许高速公路亳州段项目,详细介绍了PHC管桩在高速公路桥梁桩基中的应用,从施工工艺、试验结果多方面充分证明了其在高速公路中的适用性。
PHC pipe pile is short for high strength concrete prestressed pipe pile. It has a great deal of applications in industrial and civil buildings. It has many advantages such as high bearing capacity, low cost and convenient construction. Based on the project of Bozhou section of Si-Xu Expressway, this paper introduces the application of PHC pipe-pile in the pile foundation of expressway bridge in detail. It is fully proved its applicability in expressway from the aspects of construction technology and test results.