Impact of Temperature on the Strength Development of the Tailing-Waste Rock Backfill of a Gold Mine

Figure 9

SEM picture of backfill varies relative to temperature and mass concentration (cement dosage at 10%): (a) mass concentration at 74%, 7 days, and 5°C; (b) mass concentration at 75%, 7 days, and 5°C; (c) mass concentration at 75%, 7 days, and 16°C; (d) mass concentration at 75%, 28 days, and 16°C.

(a)

(b)

(c)

(d)