Influence of Unloading Conditions of Confining Pressure on the Compressive Strength and Permeability of Deep Mudstone

<div>Principle of quasistatic method and the corresponding experimental system. (a) Principle of quasistatic method; (b) apparatus for measuring the permeability by transient method.</div>

Advances in Civil Engineering

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Figure 4

Figure 4: Influence of Unloading Conditions of Confining Pressure on the Compressive Strength and Permeability of Deep Mudstone 