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Research on grouting structure design method of airport precast concrete pavement
- 1 China Airport Planning and Design Institute Co., Ltd.
- 2 China Airport Planning and Design Institute Co., Ltd.
* Author to whom correspondence should be addressed.
Abstract
Precast concrete pavement offers significant advantages such as reduced on-site construction time and faster traffic opening, making it highly suitable for airport applications. However, the provision of a fully supportive base structure for pavement panels has long been a challenging research area. In particular, there is a lack of comprehensive investigation into the grouting structure design for these panels. In this paper, a diffusion model of cement slurry beneath the panels is derived using theoretical methods. The study focuses on analyzing the diffusion mode, calculating the diffusion distance, and proposing a feasible design approach for the grouting structure of precast concrete pavement. Our analysis demonstrates that a rectangular grouting mode is preferable, with bottom void height of the panel ranging between 5-20mm. Moreover, it is recommended to maintain grouting sections with a width not exceeding 2.5m. For each panel, grouting is ideally performed in 2-4 sections. The findings of this study contribute to enhancing the overall effectiveness and durability of precast concrete pavement systems.
Keywords
Precast Concrete Pavement; Grouting; Structure; Diffusion Model
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Cite this article
Zhu,H.;Wu,S. (2023). Research on grouting structure design method of airport precast concrete pavement. Applied and Computational Engineering,26,280-287.
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Volume title: Proceedings of the 2023 International Conference on Functional Materials and Civil Engineering
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