Modification of Lime-Fly Ash-Crushed Stone with Phosphogypsum for Road Base

Table 3

Calculation of the composition structures.

Sections		Total area (cm^2)	Binder		Coarse aggregate		Void area ratio (%)
			Area (cm^2)	Area ratio	Area (cm^2)	Area ratio (%)
LFS	1	171.9	70.8	41.2	90.3	52.5	6.3
	2	168.7	50.8	30.1	101.5	60.2	9.7
	3	171.2	50.9	29.7	109.9	64.2	6.1
	4	173.1	70.4	40.7	94.2	54.4	4.9
PLFS-1	1	174.0	76.2	43.8	83.4	47.9	8.2
	2	174.0	64.9	37.3	95.7	55.0	7.7
	3	174.0	47.0	27.0	112.8	64.8	8.2
	4	170.3	58.9	34.6	99.8	58.6	6.8
PLFS-2	1	175.1	90.3	51.6	76.5	43.7	4.7
	2	174.1	82.3	47.3	85.2	48.9	3.8
	3	174.6	75.3	43.1	91.1	52.2	4.7
	4	175.1	63.4	36.2	103.7	59.2	4.6
PLFS-3	1	174.5	84.1	48.2	80.6	46.2	5.6
	2	174.2	81.8	47.0	83.6	48.0	5.1
	3	176.0	77.3	43.9	89.1	50.6	5.5
	4	175.3	68.4	39.0	97.6	55.7	5.3