Mechanical Properties of Sandstones after Freeze-Thaw Cycles and Models for Their Strength Prediction

Table 4

The uniaxial compression test results and material parameters of granite.

Sample number	Compressive strength; σC/MPa	Poisson ratio; ʋ	Starting point of expansion; σE/MPa	Parameter; k0	Parameter; m
1	173.5	0.27	142.9	0.423	0.823
2	72.9	0.25	49.0	0.428	0.671
3	66.7	0.29	50.8	0.418	0.762
4	121.7	0.37	94.7	0.396	0.778
5	68.6	0.31	50.0	0.412	0.730
6	129.8	0.31	98.5	0.412	0.760
7	75.4	0.22	55.4	0.438	0.735
8	100.8	0.26	78.8	0.425	0.782
9	93.9	0.28	70.5	0.419	0.750
10	75.43	0.23	52.5	0.434	0.700
11	83.9	0.25	60.3	0.428	0.719
12	106.4	0.22	74.7	0.438	0.702
13	105.6	0.29	79.6	0.417	0.753
14	81.5	0.23	65.9	0.434	0.808