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１前言自７０年代末上海宝钢总厂开始大量采用钢管桩以来，对钢管桩工作性状的认识不断加深。最近在上海外高桥电厂和浙江嘉兴电厂进行了钢管桩（ＳＰ桩）和高强度预应力混凝土管桩（ＰＨＣ桩）的竖向静载荷试验、高应变ＰＤＡ动力试验，并对钢管桩内的土塞进行了静力触探...
1 Introduction Since the large-scale use of steel pipe piles at Shanghai Baosteel General Plant in the late 1970s, the understanding of the performance of steel pipe piles has been deepened. Recently, vertical static load tests and high strain PDA dynamic tests of steel pipe piles (SP piles) and high-strength prestressed concrete piles (PHC piles) were carried out at Shanghai Waigaoqiao Power Plant and Zhejiang Jiaxing Power Plant. The soil plug inside was statically penetrated...