A Nonlinear Constitutive Model for Disintegrated Carbonaceous Mudstone Based on Logarithmic Functions

<div>Relationship between deviatoric stress and axial strain: (a) degree of compaction is 90%; (b) degree of compaction is 93%; (c) degree of compaction is 96%.</div>

Advances in Civil Engineering

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Figure 3

Figure 3: A Nonlinear Constitutive Model for Disintegrated Carbonaceous Mudstone Based on Logarithmic Functions 