Modeling of the small strain shear modulus on a fiber reinforced sand
Fil: Clariá, Juan José. Universidad Nacional de Córdoba; Argentina.
| Main Authors: | , |
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| Format: | conferenceObject |
| Language: | eng |
| Published: |
2024
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| Online Access: | http://hdl.handle.net/11086/552066 |
| _version_ | 1801216491684626432 |
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| author | Clariá, Juan José Vettorelo, Paula Vanesa |
| author_facet | Clariá, Juan José Vettorelo, Paula Vanesa |
| author_sort | Clariá, Juan José |
| collection | Repositorio Digital Universitario |
| description | Fil: Clariá, Juan José. Universidad Nacional de Córdoba; Argentina. |
| format | conferenceObject |
| id | rdu-unc.552066 |
| institution | Universidad Nacional de Cordoba |
| language | eng |
| publishDate | 2024 |
| record_format | dspace |
| spelling | rdu-unc.5520662024-05-29T06:21:54Z Modeling of the small strain shear modulus on a fiber reinforced sand Clariá, Juan José Vettorelo, Paula Vanesa Sans with fibers Shear wave velocity Fibra Geomateriales Fil: Clariá, Juan José. Universidad Nacional de Córdoba; Argentina. Fil: Vettorelo, Paula. Consejo Nacional de Investigaciones Científicas y Técnicas. Instituto de Estudios Avanzados en Ingeniería y Tecnología; Argentina. The mechanical behavior of fiber reinforced soils has been extensively studied in the last decades. Previous studies have shown that inclusion of fibers increases the shear strength of the reinforced soil. However in some cases the presence of fibers can reduce the stiffness of the composite material. In this paper, we study the change on the initial stiffness in an alluvial sand reinforced with polypropylene fibers. A model based on Hertz elastic contact theory is developed in order to explain the trends of the maximum shear modulus in the fiber reinforced sand as the fiber content is varied. The model assumes that the shear wave is transmitted through elastic distortions at the contacts, so the stiffness of the contacts governs the initial shear modulus, which in turn is affected due to fibers addition. Furthermore, the ratio between the amount of grain to fiber contacts and the total of contacts on the shear wave path influence the maximum shear modulus. An experimental testing program involving confined compression tests with shear wave velocity measurements of unreinforced and fiber-reinforced sand specimens was undertaken to validate the proposed model trends. The model predictions were found to agree well with the experimental results. http://conferencesba2015.com.ar/website/sixt-international-symposium-on-deformation-characteristics-of-geomaterial/welcome/ Fil: Clariá, Juan José. Universidad Nacional de Córdoba; Argentina. Fil: Vettorelo, Paula. Consejo Nacional de Investigaciones Científicas y Técnicas. Instituto de Estudios Avanzados en Ingeniería y Tecnología; Argentina. Ingeniería Civil 2024-05-28T12:39:46Z 2024-05-28T12:39:46Z 2015 conferenceObject 978-1-61499-600-2 http://hdl.handle.net/11086/552066 eng Attribution-NonCommercial-ShareAlike 4.0 International http://creativecommons.org/licenses/by-nc-sa/4.0/ Impreso; Electrónico y/o Digital |
| spellingShingle | Sans with fibers Shear wave velocity Fibra Geomateriales Clariá, Juan José Vettorelo, Paula Vanesa Modeling of the small strain shear modulus on a fiber reinforced sand |
| title | Modeling of the small strain shear modulus on a fiber reinforced sand |
| title_full | Modeling of the small strain shear modulus on a fiber reinforced sand |
| title_fullStr | Modeling of the small strain shear modulus on a fiber reinforced sand |
| title_full_unstemmed | Modeling of the small strain shear modulus on a fiber reinforced sand |
| title_short | Modeling of the small strain shear modulus on a fiber reinforced sand |
| title_sort | modeling of the small strain shear modulus on a fiber reinforced sand |
| topic | Sans with fibers Shear wave velocity Fibra Geomateriales |
| url | http://hdl.handle.net/11086/552066 |
| work_keys_str_mv | AT clariajuanjose modelingofthesmallstrainshearmodulusonafiberreinforcedsand AT vettorelopaulavanesa modelingofthesmallstrainshearmodulusonafiberreinforcedsand |