国省道公路危桥质量提升改造设计要点

Design Key Points for Quality Improvement and Reconstruction of Dangerous Bridges on National and Provincial Highways

该文根据工程实际经验,对国省道危桥质量提升改造的理解、总体设计思路及关键问题进行阐述,着重提出危旧桥梁质量提升总体设计思路,分析勘察设计特点,分析危桥桥梁质量现状,提出应对关键技术的设计、施工措施。着重分析国省道危桥质量提升改造的理解和总体设计思路,对国省道危桥质量提升的理解、总体设计思路并分析了国省道危桥质量提升改造勘察设计的特点、关键技术问题的认识及其对策措施,对国省道危旧桥梁现状进行总结,并提出关键技术问题的认识及其对策措施、质量提升改造设计基本要点等。

Based on the practical experience of the project,this paper expounds the understanding,overall design ideas and key problems of the quality improvement and reconstruction of dangerous bridges on national and provincial roads,emphatically puts forward the overall design ideas for the quality improvement of dangerous and old bridges,analyzes the characteristics of survey and design,analyzes the quality status of dangerous bridges,and puts forward the design and construction measures for key technologies.This paper mainly analyzes the understanding and overall design idea of the quality improvement and reconstruction of dangerous bridges on national and provincial roads,the understanding and overall design idea of the quality improvement of dangerous bridges on national and provincial roads,and analyzes the characteristics of the survey and design of the quality improvement and reconstruction of dangerous bridges on national and provincial roads,the understanding of key technical problems and their countermeasures,summarizes the current situation of dangerous old bridges on national and provincial roads,and puts forward the understanding and Countermeasures of key technical problems,the basic points of quality improvement and reconstruction design,etc.