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Effect of specimen geometry on triaxial compressive response of high-strength concrete
https://orcid.org/0000-0001-6950-8775
Graphical abstract Display Omitted
Highlights Triaxial behavior of high-strength concrete is valid for 25-mm-diameter specimens. Scalar correction is proposed for triaxial specimens with reduced aspect ratio. Non-uniform specimen deformation becomes prevalent at axial strains of 15%. Reduced specimen geometry is proposed for micro-CT and triaxial Kolsky bar.
Abstract The triaxial compressive response of high-strength concrete is needed to understand pressure-dependent material behavior, which is important for modeling extreme loading events. However, nondestructive damage analysis and dynamic triaxial experiments require specimens that are smaller than those typically used for model calibration. Reducing the specimen diameter from 50 mm to 25 mm showed negligible differences in the material response of a high-strength concrete (no coarse aggregate). However, a scalar correction factor is proposed to account for reductions in length-to-diameter ratio (L/D). By isolating size effects, results from experiments with scaled specimens can be implemented for model calibration efforts.
Effect of specimen geometry on triaxial compressive response of high-strength concrete
https://orcid.org/0000-0001-6950-8775
Graphical abstract Display Omitted
Highlights Triaxial behavior of high-strength concrete is valid for 25-mm-diameter specimens. Scalar correction is proposed for triaxial specimens with reduced aspect ratio. Non-uniform specimen deformation becomes prevalent at axial strains of 15%. Reduced specimen geometry is proposed for micro-CT and triaxial Kolsky bar.
Abstract The triaxial compressive response of high-strength concrete is needed to understand pressure-dependent material behavior, which is important for modeling extreme loading events. However, nondestructive damage analysis and dynamic triaxial experiments require specimens that are smaller than those typically used for model calibration. Reducing the specimen diameter from 50 mm to 25 mm showed negligible differences in the material response of a high-strength concrete (no coarse aggregate). However, a scalar correction factor is proposed to account for reductions in length-to-diameter ratio (L/D). By isolating size effects, results from experiments with scaled specimens can be implemented for model calibration efforts.
Effect of specimen geometry on triaxial compressive response of high-strength concrete
https://orcid.org/0000-0001-6950-8775
Graphical abstract Display Omitted
Highlights Triaxial behavior of high-strength concrete is valid for 25-mm-diameter specimens. Scalar correction is proposed for triaxial specimens with reduced aspect ratio. Non-uniform specimen deformation becomes prevalent at axial strains of 15%. Reduced specimen geometry is proposed for micro-CT and triaxial Kolsky bar.
Abstract The triaxial compressive response of high-strength concrete is needed to understand pressure-dependent material behavior, which is important for modeling extreme loading events. However, nondestructive damage analysis and dynamic triaxial experiments require specimens that are smaller than those typically used for model calibration. Reducing the specimen diameter from 50 mm to 25 mm showed negligible differences in the material response of a high-strength concrete (no coarse aggregate). However, a scalar correction factor is proposed to account for reductions in length-to-diameter ratio (L/D). By isolating size effects, results from experiments with scaled specimens can be implemented for model calibration efforts.
Effect of specimen geometry on triaxial compressive response of high-strength concrete
Williams, Brett (author) / Heard, William (author) / Graham, Steven (author) / Nie, Xu (author)
2020-02-03
Article (Journal)
Electronic Resource
English
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