Study on Structural Parameters of Dowel-Bottom Slot-Type Joint for Precast Concrete Pavement Based on Mechanical Response Analysis
Publication: International Conference on Road and Airfield Pavement Technology 2023
ABSTRACT
The dowel-bottom slot-type joint is widely used in precast concrete pavement, but its structure parameters are usually empirical. In view of that, this paper studies the structural parameters of the dowel-bottom slot-type joint based on mechanical response analysis. Firstly, the structural characteristics and basic parameters of the dowel-bottom slot-type joint are set forth. Then, the load transfer coefficient characterized by deflection and the deflection difference is selected to characterize the performance of the joint, and the finite element analysis is conducted to study the influence of the parameters of both the dowel bar and the bottom slot on the performance of the dowel-bottom slot-type joint. Besides, the variation of the stress at the dowel bar–slab interface is analyzed as well. Finally, considering the load transfer ability, the deformation coordination performance, and the stress condition, the structural parameters of the dowel-bottom slot-type joint are proposed. The research can promote the application of the dowel-bottom slot-type joint in the precast concrete pavement.
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Information
Published In
International Conference on Road and Airfield Pavement Technology 2023
Pages: 56 - 70
History
Published online: Feb 6, 2024
ASCE Technical Topics:
- Concrete
- Concrete pavements
- Concrete structures
- Construction engineering
- Construction methods
- Design (by type)
- Dowels
- Engineering fundamentals
- Engineering materials (by type)
- Fastening
- Infrastructure
- Joints
- Load factors
- Load transfer
- Materials engineering
- Mathematics
- Parameters (statistics)
- Pavements
- Precast concrete
- Statistics
- Structural analysis
- Structural design
- Structural engineering
- Structural members
- Structural systems
- Structures (by type)
- Transportation engineering
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