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Structural Engineering and Mechanics Volume 86, Number 3, May10 2023 , pages 325-336 DOI: https://doi.org/10.12989/sem.2023.86.3.325 |
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Resistance of concrete made of fibers in weight lifting slabs against impact in sports training |
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Zhi Li
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| Abstract | ||
| A significant component of many civil constructions such as buildings, reservoirs, bridges, and sports halls, concrete has become increasingly popular due to its versatile properties. Concrete's internal characteristics change due to the use of different types of fibers, including changes in its microstructure, volume, and hole dimensions. Additionally, the type, dimensions, and distribution of fibers in concrete can affect the results of flexural strength tests by affecting its compressive and tensile strength. Due to a lack of information, fiber concrete is a new composite material in the production industry that requires laboratory studies to determine its behavior. This study investigated the bending behavior of multilayer slabs made of concrete reinforced by polyamide-propylene fibers against impact in weight lifting exercises. Results showed that adding fibers to concrete slab samples improved the mechanical properties while replacing them hurt the mechanical properties and failure of polymer fiber-reinforced concrete. On the other hand, adding and replacing fibers increases durability and has a positive effect. | ||
| Key Words | ||
| concrete; fiber; polymer; slabs; weightlifting | ||
| Address | ||
| Zhi Li: Physical Education Department, Tianjin University of Commerce, Beichen 300134, Tianjin, China | ||