Deterioration Regularity of Sodium Sulfate Solution Attack on Cemented Coal Gangue-Fly Ash Backfill under Drying-Wetting Cycles

<div>Sulfate ion contents at different depths of CGFB samples immersed in 0–15% sodium sulfate solutions at the (a) third, (b) ninth, and (c) fifteenth drying-wetting cycles.</div>

Advances in Civil Engineering

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Figure 7

Figure 7: Deterioration Regularity of Sodium Sulfate Solution Attack on Cemented Coal Gangue-Fly Ash Backfill under Drying-Wetting Cycles 