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Application of Pile Base Grouting Technique to Large Diameter and Long Bored Piles
Author(s): 
Pages: 77-81
Year: Issue:  z1
Journal: WORLD BRIDGES

Keyword:  跨海大桥桩底压浆钻孔灌注桩试验;
Abstract: 东海大桥是国内第1座真正意义上的跨海大桥,在通航孔钻孔桩的试桩中首次采用了桩底压力注浆技术.在钻孔灌注桩成桩后,通过预埋在桩身的注浆管,将浆液均匀地注入桩端地层,以提高桩的承载力,并减小桩基沉降量.无疑这对于海上超长大直径泥浆护壁钻孔灌注桩的施工提供了一个新思路,为我国今后跨海大桥的建设积累了宝贵的经验.
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