大、中跨径混凝土桥梁预应力检测技术研究  

Research on Prestressed Detection Technology of Large and Medium-span Concrete Bridges

出　　处：《西部交通科技》2016年第2期1-9,30,共10页Western China Communications Science & Technology

基　　金：西部交通建设科技项目"大;中跨径混凝土桥梁预应力检测技术研究"(合同号:2005318 812 15)

摘　　要：西部交通建设科技项目"大、中跨径混凝土桥梁预应力检测技术研究",针对混凝土中预应力筋位置检测技术、管道压浆状况检测技术、预应力筋锈蚀状况检测技术、预应力筋有效预应力检测技术和预应力混凝土桥梁评价技术进行了全面调研分析,并综合考虑预应力筋位置偏差、管道压浆状况、普通钢筋及预应力筋锈蚀状况及预应力筋有效预应力对桥梁结构性能的影响,建立了预应力混凝土桥梁安全性评价等级标准及综合评估模型。本篇对该项目研究所取得的成果进行推介,为大、中跨径混凝土桥梁的预应力检测工作提供参考与借鉴。West Transportation Construction Technology Project'Research on Prestressed Detection Technology of Large and Medium-span Concrete Bridges'conducted a comprehensive investigation and analysis regarding the prestressed rebar position detec-tion technology in concrete,pipeline grouting status detection technology,prestressed rebar corrosion status detection technology,effective prestressing detection technology of pres-tressed rebar,and prestressed concrete bridge evaluation technology,it fully considered the impact of prestressed rebar position deviation,pipeline grouting status,corrosion status of ordinary rebar and prestressed rebar,and effective prestressing of prestressed rebar on bridge structure performance,and established the prestressed concrete bridge safety eval-uation level standards and comprehensive evaluation model.This article is to promote the results achieved in this project research,thereby providing the information and reference for the prestressed detection work of large and medium-span concrete bridges.

关 键 词：检测技术研究 管道压浆 评价技术 钢绞线 综合评估模型 西部交通建设 评价指标 安全性评价 评价方法 桥梁结构 

分 类 号：U446[建筑科学—桥梁与隧道工程]