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[期刊论文]

Study on bending performance of 3D printed PVA fiber reinforced cement-based material

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author:

Luo, S. (Luo, S..) [1] | Li, W. (Li, W..) [2] | Wang, D. (Wang, D..) [3]

Indexed by:

Scopus

Abstract:

To deepen the application and development of 3D Printing Construction Technology, the rheological characteristics, compressive strength and bending performance of 3D printed polyvinyl alcohol fiber (PVA fiber) reinforced cement-based material were explored. The direction of the intralayer interfaces and the fiber's distribution direction caused the anisotropy of 3D printed PVA fiber reinforced cement-based material. The printed specimens presented different failure patterns in different compressive directions, and there was certain anisotropy in the X, Y and Z directions. For the bending performance, the load-midpoint deflection curves of casted specimens and the Zx direction of printed specimens showed the strain hardening behavior, while the Zy direction of printed specimens did not. Compared with the Zy specimen, the bending strength of the Zx specimen was about 3 ∼ 4 times higher, and the peak deflection was about an order of magnitude higher. The anisotropy of the printed specimen can be used to improve the bending performance in a specific loading direction to a certain extent. © 2024 Elsevier Ltd

Keyword:

3D printing technology Anisotropy Bending performance Compressive strength Rheological characteristics

Community:

  • [ 1 ] [Luo S.]College of Civil Engineering, Fuzhou University, Fuzhou, China
  • [ 2 ] [Li W.]College of Civil Engineering, Fuzhou University, Fuzhou, China
  • [ 3 ] [Wang D.]College of Civil Engineering, Fuzhou University, Fuzhou, China

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Source :

Construction and Building Materials

ISSN: 0950-0618

Year: 2024

Volume: 433

7 . 4 0 0

JCR@2023

CAS Journal Grade:1

Cited Count:

WoS CC Cited Count:

30 Days PV: 1

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