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公路混凝土桥梁体外预应力加固设计与实践
引用本文:牛宏.公路混凝土桥梁体外预应力加固设计与实践[J].预应力技术,2011,15(4):18-28.
作者姓名:牛宏
作者单位:中交第一公路勘察设计研究院有限公司桥梁维修养护与加固技术研究所;
摘    要:根据多年的桥梁加固工程实践,详细介绍了体外预应力加固混凝土桥梁的具体方法及其在设计和防护方面所应注意的一些问题。最后分析了两座典型桥梁加固案例的具体特点,为采用体外预应力方法加固同类型桥梁提供了一定的借鉴。

关 键 词:混凝土桥梁  体外预应力  加固设计  案例  

Design and practice of external prestressed reinforcement of highway concrete Bridges
Hong Niu.Design and practice of external prestressed reinforcement of highway concrete Bridges[J].Prestress Technology,2011,15(4):18-28.
Authors:Hong Niu
Affiliation:Research Institute of Bridge Maintenance, Maintenance and Strengthening Technology, CCCC No.1 Highway Survey and Design Research Institute Co., LTD., Xi ''an 710075
Abstract:Based on the practice of bridge strengthening engineering for many years, the concrete methods of external prestressed concrete Bridges and some problems in design and protection are introduced in detail. Finally, the concrete characteristics of two typical bridge reinforcement cases are analyzed, which provides some reference for using external prestressing method to strengthen the same type of Bridges.
Keywords:Concrete bridge  External prestressing  Reinforcement design  case
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