摘要
介绍了目前拓宽桥梁新旧梁拼接构造的方法,主要分析了新旧主梁收缩徐变差异产生的附加力在新旧主梁及新旧主梁连接面上的分布及其影响,提出了提高新旧混凝土连接面抗剪能力的措施,以达到防止裂缝产生的目的。
It introduces the component methods of develop the bridge the old and new rimmed component at present, mainly analyses the distribution of additional force of the difference of new and old main bridge shrink creep in the new and old main bridge and the joint section of new and old main bridge and its affection, and puts forward the steps of the shearing of the new and old concrete joint section, to get the purpose of preventing the generation of cracks.
出处
《山西建筑》
2008年第5期321-322,共2页
Shanxi Architecture
关键词
收缩徐变
构造措施
内力
混凝土结构
shrink creep, component step, internal force, concrete structure