Porous Multiphase Microcharacteristics Research of New Cement-Based Grouting Material Concretion

Table 2

Pore types boundary based on pore diameter D.

Pore diameter range/(nm)	0<D≤2	2<D≤50	D≥50 (IUPAC macropore, subdivided)
	(Same as IUPAC)	(Same as IUPAC)	50<D≤3000	3000<D≤50000	D>50000
Category	Micropore	Mesopore	Secondary macropore	Middle macropore	Extra macropore