高强度大跨径连续箱型刚结构质量监测与缺陷防治  

High strength long-span continuous box structure quality monitoring and defect prevention and treatment

作　　者：仇益梅[1] 陈君翔[2] 曾宗文 

机构地区：[1]广西交通职业技术学院,广西南宁530023 [2]长沙理工大学,湖南长沙410004 [3]广西路桥总公司,广西南宁530001

出　　处：《混凝土》2012年第8期132-136,共5页Concrete

基　　金：广西2006年交通科研立项课题

摘　　要：针对高强度大跨径连续刚构箱型桥跨结构的完整性和耐久性问题,依托实际工程进行混凝土配合比优化设计和性能试验,按照标准龄期进行桥跨结构混凝土施工质量的跟踪监测,量化环境因素、材料质量、设计方案、荷载作用、施工控制及养护条件等各种因素对混凝土结构完整性和耐久性的影响程度,分析和评价结构健康状况,提出桥梁工程质量的改善途径、提高技术及保证措施,制定有效的混凝土结构损伤的预防和处治方案,并在工程应用中获得良好效果。为同类桥梁工程的质量控制和缺陷防治提供技术参考。For high strength long-span continuous rigid frame bridge spans the box structure integrity and durability,depending on the actual engineering optimization of mixture and performance test, according to the standard for bridge spans cement concrete structure construction quality tracking monitoring,quantification environmental factors,the material quality,design,loads,the construction control and maintenance condition,ete.Various kinds of factors on concrete structural integrity and durability influence,to analyze and evaluate the structure health condition, puts forward the way to improve the quality of bridge engineering, improve the technology and guarantee measures, formulate effective concrete structure injury prevention and treatment plan, and in engineering applications received good results.In the same bridge engineering quality control and the defects and providing the technology reference.

关 键 词：高强度 大跨径 连续刚构 质量监测 缺陷防治 

分 类 号：TU528.07[建筑科学—建筑技术科学]