【摘要】 超高性能混凝土（UHPC）是一种具有超高力学性能和超长耐久性的水泥基复合材料，为桥梁结构的创新和高性能化带来了新的可能性.近些年来，国内外学者持续开展了桥梁结构领域UHPC的研究，并不断推动工程应用，取得了长足的进步.本文介绍了作者团队基于UHPC所研发的几种高性能桥梁结构，包括开裂在役钢桥面UHPC加固新结构、危旧混凝土梁桥UHPC加固结构、UHPC矮肋桥面板结构、UHPC大跨径箱梁结构、中小跨径UHPC装配式桥梁结构、UHPC-NC组合装配式桥梁结构、UHPC装配式盖梁结构和UHPC防撞结构等最新研发的结构形式，详细介绍了上述各类结构的特点和优势、理论和试验研究进展、实际工程应用，以期分享UHPC高性能桥梁结构研发和应用经验.更多还原

【Abstract】 UHPC is a cement-based material with ultra-high mechanical performance and ultra-long durability,and it provides new possibility for innovation and performance promotion in bridge structures. In recent years,both domestic and oversea scholars have continuously performed a series of researches on UHPC in the field of bridge structures,driven relevant engineering applications,and made remarkable progresses. This paper introduces several new types of UHPC-based high performance bridge structures investigated by the authors’ research team,including the innovative UHPC strengthening structure for in-service steel bridge deck with fatigue cracking,UHPC strengthening structure for dangerous and degraded concrete bridges, UHPC bridge deck with shallow ribs,long-span UHPC box girder bridges,middle and short-span UHPC prefabricated bridges,UHPC-NC composite bridges,prefabricated UHPC cab beams,and UHPC anti-collision structures. The characteristic and advantage,theoretical and experimental researches,and engineering application of these new structures are systematically presented,aiming to provide experience for research and application of UHPC-based high performance bridge structures.更多还原