Effect of Atmospheric Pressure on Performance of AEA and Air Entraining Concrete

Table 8

Pore structure of hardened paste.

Sample	Porosity (%)	Distribution of pore size (%)						<100 nm	≥100 nm
		<5 nm	5∼20 nm	20∼50 nm	50∼100 nm	100∼200 nm	>200 nm
WH	19.9	11.8	27.3	38.6	15.3	1.0	6.0	93.0	7.0
WH-D150	20.5	7.8	22.6	22.3	23.0	6.7	17.6	75.7	24.3
XZ	17.3	9.2	25.4	31.8	10.6	5.8	17.2	77.0	23.0
XZ-D150	32.2	9.4	20.7	16.9	22.6	4.8	25.6	69.6	30.4