An eco-friendly ECC with high slag and polypropylene fiber content for high-tensile strain applications

Saljoughian, Alireza; Bahmani, Hadi; Ansari, Zeynab; Jafari, Nasrin; Mostofinejad, Davood

doi:10.1016/j.jobe.2024.109726

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2024

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Cited by 4 publications

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Influence of polypropylene fibers on the microstructure and physical and mechanical properties of concrete

Chapoñan Inoñan,

Delgado Fernández,

Muñoz Pérez

et al. 2024

Innov. Infrastruct. Solut.

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Influence of polypropylene fibers on the microstructure and physical and mechanical properties of concrete

Chapoñan Inoñan,

Delgado Fernández,

Muñoz Pérez

et al. 2024

Innov. Infrastruct. Solut.

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Split Hopkinson bar and flash X-ray characterization of ultra high performance concrete reinforced by steel fibers subjected to dynamic compression

Krčmářová,

Šleichrt,

Falta

et al. 2024

emergent mater.

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Excellent mechanical properties of ultra high performance concrete make it suitable for use in special applications, where the material is subjected to dynamic phenomena such as impacts, explosions, or earthquakes. This paper presents a novel experimental approach that integrates a Split Hopkinson Pressure Bar with a flash X-ray system and high-speed optical imaging to investigate the dynamic behavior of steel fiber reinforced UHPC under high strain rate uni-axial compression. In-situ Flash X-ray radiography emerges as a particularly effective tool, providing clear visualization of deformation response and overcoming challenges associated with flying debris encountered in optical inspection. Moreover, computed tomography and scanning electron microscopy appear as a vital technique for analyzing micro-structure and fiber distribution and orientation. The combined approach offers a promising method to study the dynamic behavior of steel fiber reinforced ultra high performance concrete and also holds promise for analyzing more complex modes of deformation and material interactions, providing valuable insights for enhancing the design and performance of critical infrastructure subjected to dynamic loading events.

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Mechanical performance and microstructure evolution of MgO-doped high volume GGBFS-based engineered cementitious composites at room and elevated temperatures

Rawat,

Vongsvivut,

Zhang

et al. 2024

Journal of Building Engineering

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An eco-friendly ECC with high slag and polypropylene fiber content for high-tensile strain applications

Cited by 4 publications

References 23 publications

Influence of polypropylene fibers on the microstructure and physical and mechanical properties of concrete

Influence of polypropylene fibers on the microstructure and physical and mechanical properties of concrete

Split Hopkinson bar and flash X-ray characterization of ultra high performance concrete reinforced by steel fibers subjected to dynamic compression

Mechanical performance and microstructure evolution of MgO-doped high volume GGBFS-based engineered cementitious composites at room and elevated temperatures

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