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Small-strain stiffness of selected anthropogenic aggregates from bender element tests Cover

Small-strain stiffness of selected anthropogenic aggregates from bender element tests

Studia Geotechnica et Mechanica
Volume 46 (2024): Issue 3 (September 2024)
By: Katarzyna Gabryś,  Katarzyna Markowska-Lech and  Wojciech Sas  
Open Access
|Jul 2024

Figures & Tables

Figure 1:

Grading curves of RCA specimens tested; image of the parent RCA.
Grading curves of RCA specimens tested; image of the parent RCA.

Figure 2:

Schematic drawing of the triaxial base with bender element configuration (after Brignoli et al., 1996).
Schematic drawing of the triaxial base with bender element configuration (after Brignoli et al., 1996).

Figure 3:

Schematic illustration of an S-wave bender element test, displaying generated and received waveforms.
Schematic illustration of an S-wave bender element test, displaying generated and received waveforms.

Figure 4:

Example input and received signals in bender element tests; waveform and wavelength ratio at different frequencies for a) the M1 mixture (p′ = 90 kPa) and b) the M4 mixture (p′ = 270 kPa).
Example input and received signals in bender element tests; waveform and wavelength ratio at different frequencies for a) the M1 mixture (p′ = 90 kPa) and b) the M4 mixture (p′ = 270 kPa).

Figure 5:

Example Gmax values determined for the M4 mixture versus the wavelength ratio at a) p′ = 90 kPa, b) p′ = 180 kPa, and c) p′ = 270 kPa.
Example Gmax values determined for the M4 mixture versus the wavelength ratio at a) p′ = 90 kPa, b) p′ = 180 kPa, and c) p′ = 270 kPa.

Figure 6:

Example of potential arrival points (the M1 mixture, p′ = 90 kPa).
Example of potential arrival points (the M1 mixture, p′ = 90 kPa).

Figure 7:

Typical plot of small-strain shear modulus (Gmax) against mean effective stress (p′) from the M1 mixture: a) fin = 10.0 kHz, b) fin = 12.5 kHz.
Typical plot of small-strain shear modulus (Gmax) against mean effective stress (p′) from the M1 mixture: a) fin = 10.0 kHz, b) fin = 12.5 kHz.

Figure 8:

Small-strain shear modulus (Gmax) for fRCA mixtures based on BE test, peak to peak 2 method: a) fin = 10.0 kHz and b) fin = 12.5 kHz.
Small-strain shear modulus (Gmax) for fRCA mixtures based on BE test, peak to peak 2 method: a) fin = 10.0 kHz and b) fin = 12.5 kHz.

Fundamental physical properties of RCA in this work_

No.Specimen codeFraction (mm)Mean grain size D50 (mm)Specific gravity GSPreparation methodInitial void ratio e0Initial dry unit weight γd,0 (kN/m3)
1M10.063–2.00.22.61Dry tamping0.6116.29
2M20.02–1.00.162.61Dry tamping0.6316.08
3M30.015–0.80.142.61Dry tamping0.7215.43
4M40.015–0.60.212.61Dry tamping0.8114.62
5M50.02–2.00.212.61Moist tamping0.7414.96
6M60.02–1.00.182.61Moist tamping0.7115.00
DOI: https://doi.org/10.2478/sgem-2024-0013 | Journal eISSN: 2083-831X | Journal ISSN: 0137-6365
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Language: English
Page range: 193 - 206
Submitted on: Mar 18, 2024
Accepted on: May 14, 2024
Published on: Jul 18, 2024
Published by: Wroclaw University of Science and Technology
In partnership with: Paradigm Publishing Services
Publication frequency: 4 issues per year
Keywords:
piezoelectric transducers,
initial shear modulus,
recycled material,
travel time interpretation
Related subjects:
Geosciences,
Geosciences, other,
Materials sciences,
Composites,
Porous materials,
Physics,
Mechanics and fluid dynamics

© 2024 Katarzyna Gabryś, Katarzyna Markowska-Lech, Wojciech Sas, published by Wroclaw University of Science and Technology
This work is licensed under the Creative Commons Attribution 4.0 License.

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