A study of the mechanical response of polycrystalline ice subjected to dynamic tension loading using the spalling test technique

Dominique Saletti 1, 2 David Georges 1, 2, 3 Victor Gouy 3 Maurine Montagnat 4 Pascal Forquin 1, 2
1 3SR - Laboratoire sols, solides, structures - risques [Grenoble]
2 RV - Risques, Vulnérabilité des structures et comportement mécanique des matériaux
3SR - Laboratoire sols, solides, structures - risques [Grenoble]
3 IGE - Institut des Géosciences de l’Environnement
4 LGGE - Laboratoire de glaciologie et géophysique de l'environnement
Abstract : Highlights • The spalling test technique is conducted to study the dynamic tensile strength of polycrystalline ice. • The results show the sensitivity of the tensile strength to the applied strain rate (from 41 s − 1 to 271 s − 1). • Three indicators are proposed to assess the results based on an optical analysis, a measurement of the wave speed and an analysis of the transmitted pulse. • An increase of the cracking density with the strain rate is observed.
Keywords : spalling test ice dynamic tensile strength strain-rate sensitivity fracture
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Submitted on : Thursday, June 13, 2019 - 10:09:48 AM
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Dominique Saletti, David Georges, Victor Gouy, Maurine Montagnat, Pascal Forquin. A study of the mechanical response of polycrystalline ice subjected to dynamic tension loading using the spalling test technique. International Journal of Impact Engineering, Elsevier, 2019, pp.103315. ⟨10.1016/j.ijimpeng.2019.103315⟩. ⟨hal-02151495⟩

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