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Advances in Materials Science and Engineering
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Advances in Materials Science and Engineering
/
2022
/
Article
/
Tab 7
/
Research Article
The Effects of Using Waste Engine Oil Bottom on Physical, Rheological Properties and Composite Modification Mechanism of SBS-Modified Asphalt
Table 7
Statistical results of surface roughness.
Asphalt type
Average surface roughness (
R
a
)
RMS value of roughness (
R
q
)
0% WEOB
2.38
4.00
2% WEOB
2.75
4.62
4% WEOB
3.22
5.09
6% WEOB
3.54
5.42