[Retracted] Macro-Micro Study on Mechanical Properties of Frozen Fine Sandstone Based on DEM Mathematical Model

Table 2

NMR porosity of saturated fine sandstone at different temperatures.

Temperature (°C)	20	-2	-5	-8	-11	-15
NMR porosity (%)	9.1	3.8	1.5	1.2	1.1	1.1