Study on Mechanical Properties and Damage Characteristics of Red Sandstone under Freeze-thaw and Load

Figure 2

Full stress–strain curves of red sandstone triaxial compression test under different freeze-thaw cycles. (a) σ₃ = 0 MPa. (b) σ₃ = 2 MPa. (c) σ₃ = 4 MPa. (d) σ₃ = 6 MPa.

(a)

(b)

(c)

(d)