Seepage Property of Crushed Mudstone Rock in Collapse Column

Figure 5

Hydraulic pressure and permeability variation curves of first group specimens with time. (a) 5.0–7.5 mm. (b) 7.5–10.0 mm. (c) 10.0–12.5 mm. (d) 12.5–15.0 mm.

(a)

(b)

(c)

(d)