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

Table 5

Uniaxial compression test results and material parameters of F-T sandstone.

Sample number	Compressive strength; σc/MPa	Poisson ratio; ʋ	Starting point of expansion; σE/MPa	Parameter; k0	Parameter; m
IA	40.1	0.212	19.2	0.423	0.823
IB	33.3	0.211	15.1	0.428	0.671
IC	30.5	0.238	14.3	0.418	0.762
ID	29.1	0.241	14.4	0.396	0.778
IE	18.0	0.242	8.13	0.412	0.730
IIA	30.3	0.237	13.7	0.412	0.760
IIB	30.0	0.238	13.4	0.438	0.735
IIC	16.2	0.243	7.3	0.425	0.782
IID	13.7	0.246	6.2	0.419	0.750
IIE	13.1	0.245	5.9	0.434	0.700