Mechanical properties test of plant fiber reinforced cementitious composites

Authors

  • Junping He Gansu First Construction Group Co.
  • Zongfeng He Gansu First Construction Group Co.
  • Qing Cui Gansu First Construction Group Co.
  • Xinyuan Wang Lanzhou University of Technology
  • Xuansheng Cheng Lanzhou University of Technology

DOI:

https://doi.org/10.56748/ejse.234383

Keywords:

Composite material, Matrix of cement, Plant fiber, Tensile test, Three-point bending test

Abstract

In this paper, a new type of plant fiber-reinforced cementitious composite (PFRCC) is developed. Compared with ordinary cement-based materials, its toughness is greatly improved. To investigate the tensile and bending mechanical properties of PFRCC, four kinds of PFRCC panels with different thicknesses were developed, and the axial tensile test and bending test of the PFRCC panel were designed. The results show that with the increase in the thickness of the PFRCC panel, the bearing capacity increases gradually. The peak tensile strain is about 0.022 %, which is 1.47-2.2 times that of the matrix cement mortar. The average tensile strength is about 2.52 MPa, which is slightly higher than that of the matrix cement mortar. The bending failure load of the PFRCC panel increases with the increase in thickness, but its peak displacement decreases gradually. The bending strength of the PFRCC panel is about 13.5 MPa, which is 2.7 times that of the matrix cement mortar. It shows that the addition of plant fiber can not only increase the toughness of cement mortar but also improve its tensile and bending strength. The above research provides a theoretical basis for the application of PFRCC panels in practical engineerings such as permanent formwork of foundation beams and light-gauge steel stud concrete composite external wall panels.

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Cover page EJSE 2023 Vol 23 No.3

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Published

2023-07-25

How to Cite

Junping He, Zongfeng He, Qing Cui, Xinyuan Wang and Xuansheng Cheng (2023) “Mechanical properties test of plant fiber reinforced cementitious composites”, Electronic Journal of Structural Engineering, 23(3), pp. 25–30. doi: 10.56748/ejse.234383.

Issue

Vol. 23 No. 3 (2023)

Section

Articles

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Copyright (c) 2023 Junping He, Zongfeng He, Qing Cui, Xinyuan Wang, Xuansheng Cheng

Creative Commons License

This work is licensed under a Creative Commons Attribution 4.0 International License.

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