Synchronous Construction of Spray-Based 3D Printed Reinforced Concrete Structure (2025-04)¶
, Yang Xiaojie, Sun Yuhang
Journal Article - Journal of Building Engineering, No. 112552
Abstract
Spray-based 3D (S-3D) concrete printing technology has made it feasible for the synchronous construction of reinforced concrete structures. This study introduces a design method for S-3D printed 2.5D rebar concrete based on reinforcement and S-3D printing synchronous construction processes. The effects of rebar mesh configurations, hook types, and hook arrangements on the bending performance of printed rebar concrete slabs are investigated. Test results demonstrate that the 2.5D rebar mesh significantly enhances the ultimate load capacity of printed concrete slabs, achieving an increase of 19.04% to 81.12% compared with the use of traditional 2D rebar mesh. Additionally, it improves early stiffness, ductility, and strain propagation characteristics of the printed slabs. The proposed 2.5D rebar mesh reinforcement method confirms the feasibility of synchronous construction with reinforcement in S-3D printing and lays the groundwork for the fully automated construction of 3D printed large-scale rebar concrete structures.
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BibTeX
@article{liu_yang_sun.2025.SCoSB3PRCS,
author = "Xiongfei Liu and Xiaojie Yang and Yuhang Sun",
title = "Synchronous Construction of Spray-Based 3D Printed Reinforced Concrete Structure: Effect of 2.5D Rebar Structure on the Flexural Performance of Slab",
doi = "10.1016/j.jobe.2025.112552",
year = "2025",
journal = "Journal of Building Engineering",
pages = "112552",
}
Formatted Citation
X. Liu, X. Yang and Y. Sun, “Synchronous Construction of Spray-Based 3D Printed Reinforced Concrete Structure: Effect of 2.5D Rebar Structure on the Flexural Performance of Slab”, Journal of Building Engineering, p. 112552, 2025, doi: 10.1016/j.jobe.2025.112552.
Liu, Xiongfei, Xiaojie Yang, and Yuhang Sun. “Synchronous Construction of Spray-Based 3D Printed Reinforced Concrete Structure: Effect of 2.5D Rebar Structure on the Flexural Performance of Slab”. Journal of Building Engineering, 2025, 112552. https://doi.org/10.1016/j.jobe.2025.112552.