某住宅小区钻孔灌注桩后压浆技术的应用 - xzbu.com 中国论文网 关键词：钻孔灌注桩；后压浆技术；承载力；施工 [gap=459]Key words: bored pile; post grouting technology; bearing capacity; construction
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The drilling hole pour pile's bearing capacity is slackened grievously because of sediment at bottom pile. Starch-pressing technology after pouring pile can effectively remove the sediment at bottom pile and improve the bearing capacity of the bottom of pile.
钻孔灌注桩施工过程中桩端沉渣大大弱化了桩的承载力,桩端采用后压浆技术能有效消除桩底沉渣,提高桩的承载力;同时,浆液沿桩身渗透及上涌强化桩侧土体,也提高了桩侧摩阻力。
参考来源 - 桩端后压浆桩承载力试验研究·2,447,543篇论文数据，部分数据来源于NoteExpress
本文通过工程实例，介绍后压浆技术的施工工艺及效益。
According to practical projects, authors introduce the construction methods and benefits in this article.
采用人工挖孔桩桩端后压浆技术能使桩承载力提高50%。
The pile supporting capacity can be raised 50% after using man-power hole pile mud jacking technology.
结合杭州利群大厦工程实例，介绍了桩底后压浆技术的特点、施工工艺和质量控制。
Combining with the Hangzhou Liqun Building project, authors introduce some aspects of the pile-bottom post-grouting technology such as features, construction methods and quality control.
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