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Shock and Vibration
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2020
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Article
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Tab 1
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Research Article
Influence of Deviatoric Stress on the Deformation and Damage Evolution of Surrounding Rock under Unloading Conditions
Table 1
Mechanical and physical parameters of cement mortar material and sandstone.
Rock type
CS (MPa)
E
(GPa)
Cement mortar
25.0
10.2
0.19
1.97
Sandstone
20 ∼ 170
4.9 ∼ 78.5
0.02 ∼ 0.2
2.1