Effect of Compressive Behaviours of Tail Salt Filling Materials on Roof Deformation in Potash Mine

<div>Filling material state of the tail salt in the goaf. (a) Compact state of tail salt filling. (b) Internal microunit of tail salt. (c) Steel drum uniaxial compression test.</div>

Advances in Civil Engineering

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Figure 3

Figure 3: Effect of Compressive Behaviours of Tail Salt Filling Materials on Roof Deformation in Potash Mine 