Elastoplastic Analysis of Circular Opening Based on a New Strain-Softening Constitutive Model and Its Engineering Application in Hydraulic Fracturing

<div>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.</div>

Advances in Civil Engineering

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Figure 2: Elastoplastic Analysis of Circular Opening Based on a New Strain-Softening Constitutive Model and Its Engineering Application in Hydraulic Fracturing 

Figure 2 | Elastoplastic Analysis of Circular Opening Based on a New Strain-Softening Constitutive Model and Its Engineering Application in Hydraulic Fracturing 