专利名称：Seismic restraint helical pile systems and
method and apparatus for forming same
发明人：M. Hesham El Naggar,Yasser
Abdelghany,Mahmoud M. El Sharnouby,RoyFrater
申请号：US14936191申请日：20151109公开号：US09670638B2公开日：20170606
专利附图：
摘要：A reinforced helical pile system suitable for use in seismically active areas
incorporates steel fibers in the grout and a fiber reinforced polymer sleeve (casing). Alow-friction driving assembly and low-friction sleeve couplings enable the sleeve to bedrawn into the soil substantially without rotation, reducing power consumption andpreserving the integrity of the casing.
申请人：Hubbell Incorporated
地址：Shelton CT US
国籍：US
代理机构：Michael Best & Friedrich LLP
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