Study on the Changing Rules of Silty Clay’s Pore Structure under Freeze-Thaw Cycles

Table 5

Statistics of pore data of soil samples.

Soil sample ID	Porosity (%)	Mean pore diameter (4 V/A) (nm)	Total pore volume (ml/g)	Inter-aggregate pore volume (ml/g) > 40 nm	Intra-aggregate pore volume (ml/g) ≤ 40 nm
a3	22.72	96.3	0.1359	0.1206	0.0153
a20	23.71	153.5	0.1363	0.1263	0.0100
b3	24.65	105.8	0.1404	0.1241	0.0163
b20	26.36	166.9	0.1439	0.1333	0.0106
c3	26.41	113.9	0.1529	0.1346	0.0183
c20	27.95	108.8	0.1505	0.1356	0.0149