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Flexural Performance of Fiber-Reinforced 3D Printed Concrete Beams with Axial Rebar

  • 2024
  • OriginalPaper
  • Chapter
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Abstract

The chapter delves into the flexural performance of fiber-reinforced 3D printed concrete beams with axial rebar, highlighting the potential of material extrusion methods in construction. It compares three fabrication methods—printing, printing with side frames, and formwork casting—and evaluates their impact on the beams' structural integrity. The research finds that 3D printed beams exhibit equivalent or better load-bearing and deformation performance than traditionally cast beams, with maximum loads exceeding calculated capacities. Notably, the study reveals high crack dispersion and toughness in the printed beams, indicating good bond characteristics between the material and rebar. The findings suggest that 3D printing technology can fabricate high-quality beam members with axial rebar, offering a promising avenue for sustainable and efficient construction practices.

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Title
Flexural Performance of Fiber-Reinforced 3D Printed Concrete Beams with Axial Rebar
Authors
Hiroki Ogura
Koichiro Hara
Shinya Yamamoto
Hiroyuki Abe
Copyright Year
2024
DOI
https://doi.org/10.1007/978-3-031-70145-0_58
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