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。
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.
出处
《探矿工程（岩土钻掘工程）》
2012年第11期69-71,74,共4页
Exploration Engineering:Rock & Soil Drilling and Tunneling
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
bored grouting pile
testing pile
elimination of friction sleeve
connection of split type coupling sleeve
post-grouting
core area of Beijing CBD
