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预应力混凝土管桩用于抗震烈度7度以下的一般地区建筑工程是没有问题的 ,但是对于抗震烈度8度以上 ,或者虽以8度设防 ,但属甲、乙类重要构筑物则对管桩基础应作抗震设计 ,对管桩本身也应作特殊设计。作者借鉴了国外有关规范 ,对管桩的抗震设计作了探讨。
Prestressed concrete pipe piles used in seismic intensity less than 7 degrees below the general construction projects there is no problem, but for the seismic intensity of 8 degrees or more, or though 8 degrees fortification, but A, B important structures on the pile foundation Should be seismic design, the pile itself should also be specially designed. The author draws lessons from the relevant foreign regulations and discusses the seismic design of pipe piles.