Deck Bulb Tee Girder Bridge Problems and Applications

Abstract

PDF HTML阅读 XML下载 导出引用 引用提醒 DBT(Deck Bulb Tee)梁桥的问题及应用 DOI: 10.59238/j.pt.2023.02.003 作者: 作者单位: (1.同济大学,上海 200092;2.美国伊利诺伊州芝加哥市自由职业桥梁工程师) 作者简介: Yushuo Wei, M.E. student Department of Bridge Engineering, School of Civil Engineering, Tongji University. 通讯作者: Yusuo Wei 中图分类号: 基金项目: Deck Bulb Tee Girder Bridge Problems and Applications Author: Affiliation: (1.Tongji University, Shanghai 200092, China;2.Freelance Bridge Engineer in Chicago, Illinois, USA) Fund Project: 摘要 | 图/表 | 访问统计 | 参考文献 | 相似文献 | 引证文献 | 资源附件 | 文章评论 摘要:桥梁快速施工（ABC）法使得DBT（Deck Bulb Tee）梁桥在桥梁工程中广泛采用。然而，由于结构设计材料的原因，导致连接问题突出并影响结构性能，因此DBT梁在大跨度和洲际桥梁中的使用仍受到很多限制。本文旨在总结DBT梁结构设计中的典型技术改进，包括解决纵向连接问题、并探索超高性能混凝土（UHPC）在桥梁应用中的使用。结果表明，UHPC的应用有效地解决了与DBT梁相关的几个技术难点，既带来了新的机遇，也带来了挑战。 Abstract:Accelerated Bridge Construction (ABC) has led to the widespread adoption of Deck Bulb Tee girder (DBT) in bridge engineering. Nevertheless, the use of DBT girders in large-span and intercontinental bridges re-mains restricted due to structural design limitations and material constraints, resulting in joint issues and affecting structural performance. Therefore, this paper aims to summarize typical technical improvements in the structural design of DBT girders, including addressing longitudinal joints issue and exploring the use of Ultra-High Performance Concrete (UHPC) for bridge applications. The results indicate that application of UHPC effectively addresses several technical challenges associated with DBT girders, presenting both new opportunities and challenges. 参考文献 相似文献 引证文献