[摘要] 通过工程实例介绍预应力管桩基础在沿海地区抗剪强度较低的深厚软土腐蚀性环境场地中的设计。从考虑负摩阻力、提高桩基水平承载力、提高桩基耐久性以及采取施工措施等方面做了介绍。
[关键词] PHC管桩；负摩阻力；腐蚀性；耐久性；桩基防护；深厚软土
中图分类号：TU473.1 +2    文献标识码：A    文章编号：1002-848X(2012) Sl-0839-05

    Design of pre-stressed concrete tubular pile foundation in the coastal areas
    Ding Xin
    ( Nanjing Kingdom Architecture Design Co., Ltd., Nanjing 210019, China)

Abstract: The design of the prestressed concrete tubular pile foundation about the deep thick soft soil with the low shear strength in the corrosive environment in the coastal areas was introduced through an engineering example, wluch discusses from the aspects of the negative frictional resistance, the pile foundation durability enhance and the construction measures.
Keywords: PHC pile; negative friction; corrosive; durability; pile foundation protection; deep soft soil