A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Formwork-free UHPC wet joint structure of fabricated UHPC bridge deck slab and flexural capacity calculation method
The invention relates to a fabricated UHPC bridge deck formwork-free UHPC wet joint structure and a flexural capacity calculation method, two adjacent prefabricated UHPC bridge decks are connected through a reserved wet joint, and ultra-high performance concrete is poured in the wet joint; the lap joint steel bars in the wet joints are staggered in the wet joints in the longitudinal bridge direction and are overlapped in the length direction in the transverse bridge direction; a local heightened area is arranged at one end of the prefabricated UHPC bridge deck slab to reinforce a wet joint; the upper part of the prefabricated UHPC bridge deck slab is provided with a notch, and the lower part is provided with key teeth; the bottom of the UHPC wet joint is connected through the prefabricated UHPC bridge deck slabs on the two sides, and a sealing opening is formed by placing water stop strips; and the contact interface of the prefabricated UHPC bridge deck slab and the UHPC wet joint is subjected to chiseling treatment. The component disclosed by the invention is easy to industrially produce, rapid in on-site assembly construction, high in wet joint quality and small in influence on construction site traffic and surrounding environment.
本发明涉及一种装配式UHPC桥面板免支模UHPC湿接缝构造及抗弯承载力计算方法，相邻两个预制UHPC桥面板间通过预留的湿接缝连接，湿接缝内浇筑超高性能混凝土；湿接缝内搭接钢筋在纵桥向的湿接缝内交错布置，在横桥向上长度重叠；预制UHPC桥面板一端通过设置局部加高区域对湿接缝进行加强处理；预制UHPC桥面板上部设置了槽口，下部设置了键齿；UHPC湿接缝底部通过两边的预制UHPC桥面板板相接并放置止水条形成封口；预制UHPC桥面板与UHPC湿接缝的接触界面进行凿毛处理。本发明的构件易于工厂化生产，现场快速装配化施工，湿接缝质量高，对施工现场交通及周围环境影响小。
Formwork-free UHPC wet joint structure of fabricated UHPC bridge deck slab and flexural capacity calculation method
The invention relates to a fabricated UHPC bridge deck formwork-free UHPC wet joint structure and a flexural capacity calculation method, two adjacent prefabricated UHPC bridge decks are connected through a reserved wet joint, and ultra-high performance concrete is poured in the wet joint; the lap joint steel bars in the wet joints are staggered in the wet joints in the longitudinal bridge direction and are overlapped in the length direction in the transverse bridge direction; a local heightened area is arranged at one end of the prefabricated UHPC bridge deck slab to reinforce a wet joint; the upper part of the prefabricated UHPC bridge deck slab is provided with a notch, and the lower part is provided with key teeth; the bottom of the UHPC wet joint is connected through the prefabricated UHPC bridge deck slabs on the two sides, and a sealing opening is formed by placing water stop strips; and the contact interface of the prefabricated UHPC bridge deck slab and the UHPC wet joint is subjected to chiseling treatment. The component disclosed by the invention is easy to industrially produce, rapid in on-site assembly construction, high in wet joint quality and small in influence on construction site traffic and surrounding environment.
本发明涉及一种装配式UHPC桥面板免支模UHPC湿接缝构造及抗弯承载力计算方法，相邻两个预制UHPC桥面板间通过预留的湿接缝连接，湿接缝内浇筑超高性能混凝土；湿接缝内搭接钢筋在纵桥向的湿接缝内交错布置，在横桥向上长度重叠；预制UHPC桥面板一端通过设置局部加高区域对湿接缝进行加强处理；预制UHPC桥面板上部设置了槽口，下部设置了键齿；UHPC湿接缝底部通过两边的预制UHPC桥面板板相接并放置止水条形成封口；预制UHPC桥面板与UHPC湿接缝的接触界面进行凿毛处理。本发明的构件易于工厂化生产，现场快速装配化施工，湿接缝质量高，对施工现场交通及周围环境影响小。
Formwork-free UHPC wet joint structure of fabricated UHPC bridge deck slab and flexural capacity calculation method
装配式UHPC桥面板免支模UHPC湿接缝构造及抗弯承载力计算方法
ZHU JINSONG (author) / DING JINGNAN (author) / GAO CHANG'E (author) / SUN YADAN (author)
2023-11-10
Patent
Electronic Resource
Chinese
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