Research Article

Experimental Study on the Mechanical Behavior of Yunnan Limestone in Natural and Saturated States

Table 5

Fitted formulas for peak strength, residual strength, and softening modulus of Yunnan limestone under natural and saturated conditions.

Strength parametersNatural conditionCorrelation coefficientSaturated conditionCorrelation coefficient

0.990.99
0.960.95
0.990.99

Note: represents the magnitude of confining pressure.