Failure Behavior of Hot-Dry-Rock (HDR) in Enhanced Geothermal Systems: Macro to Micro Scale Effects

Figure 4

Uniaxial stress versus strain curves for granite at different temperatures. (a) room temperature (~20°C); (b) 200°C; (c) 300°C; (d) 400°C; (e) 500°C.

(a)

(b)

(c)

(d)

(e)