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 j...

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Bibliographic Details
Main Authors DING JINGNAN, SUN YADAN, GAO CHANG'E, ZHU JINSONG
Format Patent
LanguageChinese
English
Published 10.11.2023
Subjects
ASSEMBLY OF BRIDGES
CALCULATING
COMPUTING
CONSTRUCTION OF BRIDGES
CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
COUNTING
ELECTRIC DIGITAL DATA PROCESSING
FIXED CONSTRUCTIONS
OR VIADUCTS
PHYSICS
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Summary: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 tr
Bibliography:Application Number: CN202310875154