灌注桩后压浆技术的工程实践
投稿时间：2014-06-12  修订日期：2014-07-28  点此下载全文
引用本文：胡胜华,张所邦,韩朝,等.灌注桩后压浆技术的工程实践[J].钻探工程,2014,41(12):71-74.
HU Sheng-hua,ZHANG Suo-bang,HAN Chao,et al. Engineering Practice of Post-grouting in Cast-in-situ Pile[J]. Drilling Engineering, 2014,41(12):71-74.
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作者单位E-mail
胡胜华 湖北鄂西地质基础工程有限公司 114570981@qq.com 
张所邦* 湖北鄂西地质基础工程有限公司 1@qq.com 
韩朝 湖北鄂西地质基础工程有限公司 231643220@qq.com 
刘宝斌 湖北鄂西地质基础工程有限公司  
汤士博 辽宁省第七地质大队  
中文摘要:钻孔灌注桩的孔底沉渣和桩侧泥皮限制了灌注桩的应用,而灌注桩后压浆技术的应用，较好地解决了这一难题。结合工程实际，叙述了后压浆技术的施工技术要点和施工控制措施，分析了影响注浆管“开塞”的因素及确保成功“开塞”的技术措施。
中文关键词:钻孔灌注桩  后压浆  孔底沉渣  注浆器开塞
 
Engineering Practice of Post-grouting in Cast-in-situ Pile
Abstract:The application of bored pile is restricted because of the hole bottom sediment and mudcake on pile, which is solved by the post-grouting technology in cast-in-situ pile construction. Combined with the engineering practice, the paper discusses the main technical points and control measures in construction of post-grouting and analyzed the affecting factors on holes “rushing” of grouting pipe and the technical measures to ensure the holes “rushing” of grouting pipe.
keywords:bored cast-in-situ pile  post-grouting  hole bottom sediment  holes “rushing” of grouting pipe
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