Research Article

Mechanical Properties of High-Temperature Granite under Liquid Nitrogen Cooling

Figure 1

The stress-strain curves of twelve rock samples.
(a) 25-1 untreated
(b) 25-2 untreated
(c) 25-1
(d) 25-2
(e) 100-1
(f) 100-2
(g) 200-1
(h) 200-2
(i) 300-1
(j) 300-2
(k) 400-1
(l) 400-2