Table2 Ratio of characteristic stress to peak stress at different temperatures and immersion times.

From: Experimental research on damage characteristics of red sandstone under the combined action of temperature, water and stress

Soaking time/h

Temp/℃

σcc/σf

σci/σf

σcd/σf

0.5

25

0.10351

0.59167

0.944

55

0.08285

0.59858

0.9298

85

0.07997

0.54434

0.9364

95

0.1369

0.39459

0.915

1

25

0.0975

0.47458

0.9052

55

0.21004

0.41055

0.8754

85

0.0941

0.39589

0.8974

95

0.0719

0.2939

0.9554

3

25

0.1165

0.51494

0.8875

55

0.08329

0.63178

0.93102

85

0.10737

0.55504

0.9399

95

0.12009

0.49168

0.9095

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