Research Article
Elastoplastic Analysis of Circular Opening Based on a New Strain-Softening Constitutive Model and Its Engineering Application in Hydraulic Fracturing
Figure 2
The total stress-strain curves by different lithology rock masses. (a) Silty mudstone from Yangzhuang coal mine. (b) Silty mudstone from Wushan. (c) Marble from Ya’an area of China.
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