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高振宁，陈江涛.灌注桩钢筋笼分段连接新技术[J].南华大学学报(自然科学版),2013,27(3):86~90.[GAO Zhen-ning，CHEN Jiang-tao.New Technology of Segments Connected for Bored Pile Reinforcement Cage[J].Journal of University of South China(Science and Technology),2013,27(3):86~90.]

灌注桩钢筋笼分段连接新技术

New Technology of Segments Connected for Bored Pile Reinforcement Cage

DOI：

中文关键词: PBA工法钢筋笼分段连接钢筋滚轧直螺纹

英文关键词:PBA construction method reinforcement cage segments connected rebar rolling straight thread

基金项目:

作者	单位
高振宁¹，陈江涛^1，2	1.北京市轨道交通建设管理有限公司，北京 100037；2.南华大学城市建设学院，湖南衡阳 421001

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中文摘要:

介绍了北京地铁10号线亮马河站东南风道采用PBA工法施工，在小导洞内进行灌注桩施工过程中，因为场地条件不允许整体吊装钢筋笼，需要分段加工现场、吊装、组装；逐段连接时，传统的焊接技术速度慢、连接质量不稳定，工程中采用钢筋滚轧直螺纹接头进行快速连接的新技术，施工高效，质量可靠；成熟的工法和新技术相结合，往往会收到事半功倍的效果。

英文摘要:

The ventilation drift located in southeast of Liangmahe station in Beijing Subway Line No.10 was constructed by PBA construction method.On the construction process of bored pile in a small guide tunnel,the reinforcement cage can not be lifted totally because of the in-site conditions and need to be segmented,lifted and connected.The traditional welding technique for segments connection is slow and unstable.So the new technology of the steel rolling straight thread fittings for quick connecting was adopted and it had some advantages of construction efficiency and reliable quality.It will produce a multiplier effect on combining mature construction methods with new technology.

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