Figure 9

Histograms depicting peak strength and residual strength. (a,b) with moisture content; (c,d) with normal stress; (e,f) with shear rate. Error bars represent standard error (n = 3).

Histograms depicting peak strength and residual strength. (a,b) with moisture content; (c,d) with normal stress; (e,f) with shear rate. Error bars represent standard error (n = 3).