Numerical Calculation Analysis of the Structural Stability of Cemented Fill under Different Cement-Sand Ratios and Concentration Conditions

Figure 4

Plastic zone distribution map: (a) cement-sand ratio 1 : 6, backfill concentration 68%; (b) cement-sand ratio 1 : 6, backfill concentration 72%; (c) cement-sand ratio 1 : 6, backfill concentration 78%; (d) cement-sand ratio 1 : 8, backfill concentration 68%; (e) cement-sand ratio 1 : 8, backfill concentration 72%; (f) cement-sand ratio 1 : 8, backfill concentration 72%.

(a)

(b)

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(d)

(e)

(f)