An assessment of how penetration curve adjustment affects the California bearing ratio (CBR)
09 ott 2021
INFORMAZIONI SU QUESTO ARTICOLO
Categoria dell'articolo: Original Study
Pubblicato online: 09 ott 2021
Pagine: 323 - 336
Ricevuto: 09 feb 2021
Accettato: 18 mag 2021
DOI: https://doi.org/10.2478/sgem-2021-0017
Parole chiave
© 2021 Łukasz Bednarek, published by Sciendo
This work is licensed under the Creative Commons Attribution 4.0 International License.
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Properties of the tested mixtures_
Dubie | Dolomite (1) | 0–31.5 mm | 4.3 | - | 19.7 | 48.7 | 5.8 | 2.21 | 37.5 | 2.4 |
0–63 mm | 3.3 | - | 14.8 | 47.0 | 6.2 | 2.16 | 44 | 2.1 | ||
Grochów | Magnesite | 0–31.5 mm | 5.7 | 14.8 | 14.5 | 17.5 | 6.9 | 2.02 | 36.7 | 4.4 |
0–63 mm | 6.1 | 13.0 | 12.6 | 18.2 | 7.3 | 1.98 | 56.0 | 5.5 | ||
Winna Góra | Basalt | 0–31.5 mm | 4.1 | 49.3 | 63.7 | 50.5 | 6.5 | 2.23 | 16.5 | 1.4 |
0–63 mm | 2.4 | 35.1 | 53.7 | 50.7 | 3.9 | 2.22 | 17.9 | 1.4 | ||
Rogoźnica | Granite | 0–31.5 mm | 3.6 | 15.3 | 20.5 | 35.6 | 3.1 | 2.08 | 52.5 | 7.6 |
0–63 mm | 2.7 | 12.9 | 14.5 | 33.7 | 2.1 | 2.05 | 42.4 | 7.4 | ||
Żelatowa | Dolomite (2) | 0–31.5 mm | 10.9 | - | 31.0 | 18.0 | 6.3 | 2.07 | 193.3 | 12.6 |
0–63 mm | 8.6 | - | 29.0 | 16.0 | 5.6 | 2.04 | 178.6 | 11.0 | ||
Osielec | Sandstone (2) | 0–31.5 mm | 8.7 | 35.5 | 44.2 | 12.0 | 4.3 | 2.05 | 253.3 | 2.0 |
0–63 mm | 4.6 | 27.2 | 30.0 | 12.0 | 4.7 | 2.02 | 280.0 | 1.4 | ||
Barcice | Sandstone (1) | 0–63 mm | 12.7 | 22.5 | 24.4 | 13.0 | 4.5 | 2.10 | 269.8 | 1.6 |
Minimum CBR values for specific materials by layer and traffic class (Judycki et al_, 2012)_
Unbound mixtures | 60 | 80 | The layer does not exist for these traffic categories | 60 | 25 | 35 | 20 | |
Non-expansive soil | Does not apply | Does not apply | 25 | 35 | 20 |
Regression statistics_
Intersection | −1.07964 | 0.9721 | −1.11063 | 0.269592 | −3.01004 | 0.850757 | 0.9471 |
1.01623 | 0.029785 | 34.1188 | 2.22E-54 | 0.957083 | 1.075377 | ||
0.130287 | 0.025822 | 5.045615 | 2.23E-06 | 0.07901 | 0.181564 |