摘要
总结公路旧桥加宽纵缝拼接技术,对比分析各种纵缝拼接技术的优缺点和适用条件,重点阐述、分析空心板梁桥纵缝拼接构造处理方案,并探讨纵缝破损的主要机制,提出旧桥加宽纵缝拼接技术的改进措施。
This paper summarizes longitudinal joints splicing techniques for widening old highway bridges,analyzes advantages and disadvantages and applicable conditions of various longitudinal joints splicing techniques in comparison,emphasizes on expatiation and analysis of treatment schemes for longitudinal joints splicing structures of hollow slab bridges,probes into major mechanisms of damages of longitudinal joints,and proposes improvement measures for longitudinal joints splicing techniques for widening old bridges.
出处
《公路交通技术》
2013年第1期85-90,共6页
Technology of Highway and Transport
关键词
公路旧桥加宽
纵缝拼接技术
空心板梁桥
破损机理
改进措施
widening of old expressway bridges
longitudinal joints splicing techniques
hollow slab bridges
damage mechanism
improvement measures
