Notch Sensitivity of Ice

by J. P. Dempsey, Clarkson Univ, United States,

Document Type: Proceeding Paper

Part of: Serviceability and Durability of Construction Materials


Few investigators have examined closely the fracture toughness of macrocrystalline and seeded columnar freshwater ice. There has been a wide scatter in the toughness values obtained even when testing conditions such as temperature, loading rate and specimen geometry were kept the same. In this paper recent results obtained by the author and co-workers on the following topics are discussed: Composition and texture of freshwater ice Notch sensitivity of freshwater ice Specimen size and brittleness effects in seeded columnar ice Microstructural influences and notch acuity effects on the fracture toughness of freshwater ice

Subject Headings: Ice | Fresh water | Toughness | Cracking | Material tests | Brittleness | Microstructure

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