Mechanical Properties and Deterioration Instability of Filling Body with Gangue-Cement Material Based on AE Experiment

Figure 3

Compressive strength of gangue-cement sample. (a) Stress-strain curve of the 1-day sample, (b) stress-strain curve of the 4-day sample, (c) stress-strain curve of the 7-day sample, and (d) stress-strain curve of the 14-day sample.

(a)

(b)

(c)

(d)