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Laboratory Study of Sands Reinforced with Polypropylene Fibers
The dynamic behavior of different sands reinforced with different percentages of polypropylene fibers is investigated with a focus on the small-strain shear modulus (Gmax) in this laboratory study. A fixed-partly fixed Hardin type resonant column equipped with bender element inserts, was employed to measure the shear modulus of the specimens. The percentages of fiber ranging from 0% to 2% and the specimens were tested in a fully saturated state following an isotropic stress path. The small-strain shear modulus is expressed through a power-law type formula as a function of the confining pressure. Based on the experimental results, it was found that the small strain shear modulus of the specimens reduces with an increase in fiber content. For a limited number of experiments, high amplitude resonant column tests were also conducted and the behavior of the specimens in terms of changes in the modulus was investigated at different strain amplitudes.
Laboratory Study of Sands Reinforced with Polypropylene Fibers
The dynamic behavior of different sands reinforced with different percentages of polypropylene fibers is investigated with a focus on the small-strain shear modulus (Gmax) in this laboratory study. A fixed-partly fixed Hardin type resonant column equipped with bender element inserts, was employed to measure the shear modulus of the specimens. The percentages of fiber ranging from 0% to 2% and the specimens were tested in a fully saturated state following an isotropic stress path. The small-strain shear modulus is expressed through a power-law type formula as a function of the confining pressure. Based on the experimental results, it was found that the small strain shear modulus of the specimens reduces with an increase in fiber content. For a limited number of experiments, high amplitude resonant column tests were also conducted and the behavior of the specimens in terms of changes in the modulus was investigated at different strain amplitudes.
Laboratory Study of Sands Reinforced with Polypropylene Fibers
Li, H. (author) / Senetakis, K. (author) / Khoshghalb, A. (author)
Geotechnical Earthquake Engineering and Soil Dynamics V ; 2018 ; Austin, Texas
2018-06-07
Conference paper
Electronic Resource
English
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