Mechanical Properties of High-Temperature Granite under Liquid Nitrogen Cooling

Figure 4

Load displacement curve of rock under different treatments in three-point bending test.

(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