Research Article

A Damage Constitutive Model of Red Sandstone under Coupling of Wet-Dry Cycles and Impact Load

Figure 6

Dynamic stress-strain curves of specimens subject to (a) n = 0; (b) n = 5; (c) n = 10; (d) n = 15; (e) n = 20 wet-dry cycles.
(a)
(b)
(c)
(d)
(e)