Preliminary Study of Preheated Decarburized Activated Coal Gangue-Based Cemented Paste Backfill Material.

Materials (Basel) · 2023 · PMC10052327 · PMID 36984235

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a decreasing trendno p-value reported

When the addition of Na 2 SO 4 dosage exceeded 3%, its UCS showed a decreasing trend, probably because the Na 2 SO 4 that did not participate in the reaction remained in the pores of the PCCPB samples and produced sulfate erosion of the hydration products later [ 46 ].

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