体外预应力技术在桥梁加固工程中的应用研究  

Study on the Application of External Prestressing Technology in Bridge Reinforcement Engineering

作　　者：王伟东 WANG Wei-dong(Second Engineering Co.Ltd.of Zhongjiao Tunnel Bureau,Xi'an 710100,China)

机构地区：[1]中交隧道局第二工程有限公司

出　　处：《工程建设与设计》2020年第1期216-217,220,共3页Construction & Design for Engineering

摘　　要：以体外预应力技术为分析背景,在分析体外预应力技术特点与应用机理的同时,分别从放样施工、上锚固点设置、转向装置设置以及预应力筋安装和张拉施工等方面,详细分析了体外预应力技术在桥梁加固工程中的应用要点,为此类工程提供参考。Taking the external prestressing technology as the analysis background,while analyzing the characteristics and application mechanism of the external prestressing technology,the application points of the external prestressing technology in the bridge reinforcement engineering are analyzed in detail from the lofting construction,the setting of the upper anchorage point,the setting of the steering device,the installation of the prestressed reinforcement and the tension construction,etc.,so as to provide reference for such projects.

关 键 词：体外预应力技术 桥梁加固工程 应用研究 

分 类 号：U445.72[建筑科学—桥梁与隧道工程] U441.5[交通运输工程—道路与铁道工程]