Healing of snow surface-to-surface contacts by isothermal sintering
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Abstract
Abstract. Natural sintering in ice is a fundamental process determining mechanical properties of various ice forms. According to the literature, limited data are available about the complex subjects of snow sintering and bond formation. Here, through cold laboratory mechanical tests with a new shear apparatus we demonstrate time-dependent effects of isothermal sintering on interface strengthening at various normal pressures. Measurements showed that interfacial strength evolved rapidly, conforming to a power law (mean exponent ≈ 0.21); higher pressure corresponded to higher initial strength and sintering rates. Our findings are consistent with observations on homogeneous snow, provide unique records essential for slope stability models and indicate the significant importance of normal load on data interpretation.
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Partial snow sintering leads to strengthening of the wind-transported snow layer.
“partial snow sintering 16 leads to strengthening of the wind-transported snow layer.”
From Mechanisms of slab avalanche release and impact in the Dyatlov Pass incident in 1959 (2021) · cites this paper as [16]
The Conclusions report that sintering healed snow interfaces and increased their strength in laboratory tests. The paper does not establish that partial sintering strengthens a wind-transported snow layer specifically; its Limitations section cautions against directly projecting results from artificially created interfaces onto real snow layers. Page numbers were not provided in our copy. (LLM, conf=0.86)
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Research works printed but not linked: 20
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Mechanisms of slab avalanche release and impact in the Dyatlov Pass incident in 1959
Gaume, J., & Puzrin, A. M. (2021) · Communications Earth & Environment · doi:10.1038/s43247-020-00081-8 · Cited by 12 · see citing works
- Authors
- Podolskiy, E. A., Barbero, M., Barpi, F., Chambon, G., Borri-Brunetto, M., Pallara, O., Frigo, B., Chiaia, B., & Naaim, M.
- Affiliations
- Institut National de Recherche pour l'Agriculture, l'Alimentation et l'Environnement (FR)
- Politecnico di Torino (IT)
- Venue
- The Cryosphere
- Publisher
- Copernicus GmbH
- Published
- 2014-09-09
- Volume
- 8
- Issue
- 5
- Pages
- 1651-1659
- ISSN
- 1994-0416 (ISSN-L)
- 1994-0424
- OpenAlex
- W2112186958
- Cited by
- 23
- References
- 0
- Citations by year
- 2025: 2 · 2024: 1 · 2023: 1 · 2022: 1 · 2021: 2 · 2020: 2 · 2019: 4 · 2018: 1 · 2017: 2 · 2016: 3 · 2015: 4
- FWCI
- 1.99
- Type
- journal article
- Language
- en
- Open access
- gold
- doi.org
- Licence
- Locations
- The Cryosphere (publishedVersion, cc-by)
- PORTO@Iris (submittedVersion, cc-by)
- HAL (submittedVersion)
- DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
- Cemadoc (Cemagref / IRSTEA) (submittedVersion)
- PORTO Publications Open Repository TOrino (Politecnico di Torino) (submittedVersion, cc-by)
- Funders
- European Commission (2007–2013, FP7 2007-2013, 298672, FP7-PEOPLE-2011, FP7/2007, FP7-PEOPLE-2011-IIF)
- Agence Nationale de la Recherche (ANR10 LABX56))
- FP7 People: Marie-Curie Actions (2007-2013, FP7/2007‐2013/)
- Topics
- Physical Sciences › Earth and Planetary Sciences › Atmospheric Science › Cryospheric studies and observations
- Physical Sciences › Engineering › Civil and Structural Engineering › Geotechnical Engineering and Soil Mechanics
- Physical Sciences › Engineering › Mechanics of Materials › Rock Mechanics and Modeling
- Keywords
- isothermal sintering, interfacial bonding, interface strength, slope stability, ice mechanics
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