Effects of Different Ratios of Fly Ash and River Sand on Mechanical Properties of Cemented Paste Backfill Materials

<div>Average UCS of CPB with different proportions of FA. (a) UCS comparison of CPB samples of the same group at 7, 14 and 28 days; (b) UCS comparison between CPB samples of different groups at 7, 14 and 28 days.</div>

Advances in Civil Engineering

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Figure 2

Figure 2: Effects of Different Ratios of Fly Ash and River Sand on Mechanical Properties of Cemented Paste Backfill Materials 