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Global Oceanic Overturning Circulation Forced by the Competition between Greenhouse Gases and Continental Ice Sheets during the Last Deglaciation
Publisher: American Meteorological Society
Calculation Method for the Loose Circle of Tunnel-Surrounding Rock Considering the Strain-Softening Effect
Publisher: American Society of Civil Engineers
Abstract: During tunnel excavation, stress redistribution is caused by disturbance of the surrounding rock; when the stress exceeds the strength of rock mass, the surrounding rock enters the postpeak deformation stage and then ...