Table 6 Air void content in the OGFC mix according to the drain-down test results.

From: Experimental investigation of semi-flexible pavement performance using optimized nano-silica and sugarcane bagasse ash modified grouts

Bitumen Content

Drain down without PP Fibers (%)

Drain down with PP fibers (%)

Air Voids%

2.6

0.13

0.09

31.06

2.8

0.30

0.17

28.74

3.0

0.36

0.19

26.39

3.2

0.49

0.29

24.33

3.4

0.71

0.43

22.82

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