Research Article
Investigation on the Properties and Distribution of Air Voids in Porous Asphalt with Relevance to the Pb(II) Removal Performance
Table 6
Correlations between distributional and dimensional parameters for characterizing AV in PAC-16(A) and PAC-16(B) specimens.
| | Parameter | Correlation coefficient | | PAC-16(A) | PAC-16(B) | | Equivalent diameter | Specific surface area | Fractal dimension | Equivalent diameter | Specific surface area | Fractal dimension |
| | AV content | 0.922 | −0.571 | −0.280 | 0.863 | −0.211 | −0.620 | | AV number | −0.933 | 0.691 | 0.469 | −0.891 | 0.618 | 0.602 | | AV volume | 0.935 | 0.469 | −0.463 | 0.860 | −0.174 | −0.493 |
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