Lognormal Distribution Function for Describing Seepage Damage Process of Single-Cracked Rock

Table 1

Phenomenological statistical damage method.

Statistical method	Weibull distribution	Normal distribution	Lognormal distribution
Research achievements	Weibull [2]; Krajcinovic and Silva [3]; Cao et al. [4]; Chen et al. [5]	Yang et al. [7]; Chen et al. [16]; Cao et al. [6]	Zhang et al. [17]