<abstract xmlns="http://www.w3.org/1999/xhtml">

<p>The need to develop the concrete industry has increased with the increase in environmental damage resulting from building and construction operations. In the present research, the Numerical study of shear behavior of geopolymer concrete beams without stirrups by using the ANSYS program. It also includes concrete modelling to study the behavior of geopolymer concrete (GPC). The longitudinal reinforcements of beams (without stirrups) were "basalt fiber reinforced polymer bars". In order to enhance the shear behavior of the specimens, various types of fibers were added to geopolymer concrete (GPC): "steel fibers (SF), synthetic polypropylene fibers (PF), polyvinyl alcohol fibers (PVF), and carbon fibers (CF)". A numerical analysis was performed by the ANSYS version 15 program to study many parameters affecting the shear behavior of geopolymer concrete, such as longitudinal reinforcements,, and the inclusion of the opening. The results indicated that using steel fibers (SF) in geopolymer concrete increased the load failure of the tested specimens. On the other hand, using carbon fibers (CF) in the geopolymer concrete enhanced the ductility factor of these beams. The load capacity of the geopolymer concrete specimen is enhanced with longitudinal reinforcement by the CFRP bar compared to those reinforcements by BFRP bars. While the use of GFRP bars was less efficient than BFRP bars. Using FRP bars, and steel bars in strengthening geopolymer concrete beams with openings enhanced the failure load of these specimens.</p>
</abstract>

The need to develop the concrete industry has increased with the increase in environmental damage resulting from building and construction operations. In the present research, the Numerical study of shear behavior of geopolymer concrete beams without stirrups by using the ANSYS program. It also includes concrete modelling to study the behavior of geopolymer concrete (GPC). The longitudinal reinforcements of beams (without stirrups) were "basalt fiber reinforced polymer bars". In order to enhance the shear behavior of the specimens, various types of fibers were added to geopolymer concrete (GPC): "steel fibers (SF), synthetic polypropylene fibers (PF), polyvinyl alcohol fibers (PVF), and carbon fibers (CF)". A numerical analysis was performed by the ANSYS version 15 program to study many parameters affecting the shear behavior of geopolymer concrete, such as longitudinal reinforcements,, and the inclusion of the opening. The results indicated that using steel fibers (SF) in geopolymer concrete increased the load failure of the tested specimens. On the other hand, using carbon fibers (CF) in the geopolymer concrete enhanced the ductility factor of these beams. The load capacity of the geopolymer concrete specimen is enhanced with longitudinal reinforcement by the CFRP bar compared to those reinforcements by BFRP bars. While the use of GFRP bars was less efficient than BFRP bars. Using FRP bars, and steel bars in strengthening geopolymer concrete beams with openings enhanced the failure load of these specimens.

Numerical Study of Shear Behavior of Geopolymer Concrete Beam Without Stirrups

Civil and Environmental Engineering

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

{"article-title":"Numerical Study of Shear Behavior of Geopolymer Concrete Beam Without Stirrups"}

The need to develop the concrete industry has increased with the increase in environmental damage resulting from building and construction operations. In the...

Numerical Study of Shear Behavior of Geopolymer Concrete Beam Without Stirrups

Published Online: Jun 26, 2024

Page range: 526 - 543

DOI: https://doi.org/10.2478/cee-2024-0040

Keywords
Geopolymer concrete beam (GPC), Shear behaviour, Basalt fiber bars (BFRP), Numerical Study, Hybrid fiber

© 2024 Mohammed J. Hussein et al., published by Sciendo

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

Numerical Study of Shear Behavior of Geopolymer Concrete Beam Without Stirrups

Published Online: Jun 26, 2024

Page range: 526 - 543

DOI: https://doi.org/10.2478/cee-2024-0040

KeywordsGeopolymer concrete beam (GPC), Shear behaviour, Basalt fiber bars (BFRP), Numerical Study, Hybrid fiber

© 2024 Mohammed J. Hussein et al., published by Sciendo

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

Keywords
Geopolymer concrete beam (GPC), Shear behaviour, Basalt fiber bars (BFRP), Numerical Study, Hybrid fiber