挤扩支盘桩在输电线路工程中的应用  

APPLICATION OF SQUEEZED BRANCH PILE IN TRANSMISSION LINE ENGINEERING

作　　者：张琰[1] 赵贞欣[1] 陈培[1] 

机构地区：[1]中国电力科学研究院,北京102401

出　　处：《建筑技术开发》2012年第11期35-36,47,共3页Building Technology Development

摘　　要：以徐庄-东工业区220 kV送电线路工程为例,详细阐述了挤扩支盘桩施工方法、荷载传递规律和适用范围,通过与普通直孔灌注桩对比,分析了挤扩支盘桩的经济效益。工程经验表明,在输电线路工程中使用挤扩支盘桩,可提高基础的安全性和可靠性,具有良好的经济性和广阔的应用前景。With Xuzhuang-East Industrial District 220kV transmission line engineering as an example, the construction method,load transfer mechanism and scope of application are detailed. By comparing with conventional piles,the economic benefits of squeezed branch pile are analyzed. Based on the engineering experience, the usage of squeezed branch pile in transmission line can improve the safety and reliability of tower foundation, and possess economic benefits and wide application prospect.

关 键 词：挤扩支盘桩 输电线路 承载力 

分 类 号：TU473.1[建筑科学—结构工程]