Laboratory Investigation of Fiber Bragg Grating Strain Sensors for Semirigid Base Asphalt Pavements

Table 2

AC-25 grading curve.

Screen size (mm)	37.5	31.5	26.5	19.0	16.0	13.2	9.5
Passing percentage (%)	100	99.3	98.6	89.0	73.4	63.9	50.3
Screen size (mm)	4.75	2.36	1.18	0.6	0.3	0.15	0.075
Passing percentage (%)	35.8	23.1	17.0	13.7	9.2	6.9	5.0