开口孔隙率:
P开=所吸收水分的体积/砖的自然体积×100%.视水密度为1则:
P开=(2940-2580)/(24×11.5×5.3)×100%=24.61
闭口孔隙率:
P闭=P-P开
r=50/18.5=2.691g/cm3
r0=2580/(24×11.5×5.3)=1.763g/cm3
P=(1-1.763/2.691)×100%=34.49g/cm3
P闭=34.49-24.61=9.88g/cm3
开口孔隙率:
P开=所吸收水分的体积/砖的自然体积×100%.视水密度为1则:
P开=(2940-2580)/(24×11.5×5.3)×100%=24.61
闭口孔隙率:
P闭=P-P开
r=50/18.5=2.691g/cm3
r0=2580/(24×11.5×5.3)=1.763g/cm3
P=(1-1.763/2.691)×100%=34.49g/cm3
P闭=34.49-24.61=9.88g/cm3