北京CBD核心区某高层建筑试验桩施工技术
投稿时间：2012-07-09  修订日期：2012-07-09  点此下载全文
引用本文：程金霞,张贵秀,黄鑫峰,等.北京CBD核心区某高层建筑试验桩施工技术[J].钻探工程,2012,39(11):69-71,74.
CHENG Jin-xia,ZHANG Gui-xiu,HUANG Xin-feng,et al. Construction Technique of Testing Pile for a High-rise Building in Core Area of Beijing CBD[J]. Drilling Engineering, 2012,39(11):69-71,74.
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作者单位E-mail
程金霞* 北京建材地质工程公司 chengjjxx@sohu.com 
张贵秀 山东电力工程咨询院有限公司  
黄鑫峰 北京建材地质工程公司  
郁河坤 北京建材地质工程公司  
陈辉 北京建材地质工程公司  
中文摘要:北京市CBD核心区某高层建筑拟建高度超过550 m，建成后为北京市新地标建筑，其桩基础施工是保证整座建筑施工质量的关键。总结研究了该项目钻孔灌注桩试桩施工工艺的关键技术。
中文关键词:钻孔灌注桩  试验桩  消摩阻套筒  分体式套筒连接  后注浆  北京CBD核心区
 
Construction Technique of Testing Pile for a High-rise Building in Core Area of Beijing CBD
Abstract:The height of a high-rise building at core area of Beijing CBD is proposed to be more than 550m, which will be the new landmark building in Beijing. The construction technique of foundation pile is very important to ensure the quality of this skyscraper. The key construction technologies of cast-in-place testing pile is summarized and studied.
keywords:bored grouting pile  testing pile  elimination of friction sleeve  connection of split type coupling sleeve  post-grouting  core area of Beijing CBD
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