Microscopic Parameter Extraction and Corresponding Strength Prediction of Cemented Paste Backfill at Different Curing Times

Figure 4

SEM images and corresponding binary pore images after different curing times. (a) Original image (3 d); (b) binary image of pores. (c) Original image (7 d); (d) binary image of pores. (e) Original image (14 d); (f) binary image of pores. (g) Original image (28 d); (h) binary image of pores. (i) Original image (56 d); (j) binary image of pores.

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