Characteristics of dynamic mode Ⅱ fracture of frozen saturated sandstones under varying low temperatures and loading rates

Characteristics of dynamic mode Ⅱ fracture of frozen saturated sandstones under varying low temperatures and loading rates

BackgroundInvestigating the mode Ⅱ fracture of frozen saturated sandstones under dynamic disturbances, including changes in their critical stress intensity factor (SIF; i.e., fracture toughness) and energy dissipation mechanisms, is crucial for the safe excavation of frozen wellbores through drillin...

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Bibliographic Details
Main Authors: Tao ZHAO, Zhao CUI, Hailiang JIA, Guangyu YANG
Format: Article
Language:zho
Published: Editorial Office of Coal Geology & Exploration 2025-04-01
Series:Meitian dizhi yu kantan
Subjects:
dynamic mode ⅱ fracture
frozen saturated sandstone
fracture toughness
energy dissipation
enhancing mechanism under low temperature
loading rate
Online Access:http://www.mtdzykt.com/article/doi/10.12363/issn.1001-1986.25.02.0106
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