Cement-Lime-Fly Ash Bound Macadam Pavement Base Material with Enhanced Early-Age Strength and Suppressed Drying Shrinkage via Incorporation of Slag and Gypsum

Table 5

Orthogonal experiment arrangements and results.

Sample	Factors			3-day compressive strength (MPa)	56-day drying shrinkage strain (10^−6)
	Cement content (wt%)	Gypsum content (wt%)	GGBS replacement (wt%)
N1	2.0	1.0	0	0.58	−555
N2	2.0	3.0	30	1.01	−450
N3	2.0	5.0	60	2.23	−312.5
N4	3.0	1.0	30	1.38	−490
N5	3.0	3.0	60	1.91	−475
N6	3.0	5.0	0	1.80	−530
N7	4.0	1.0	60	2.34	−540
N8	4.0	3.0	0	1.53	−637.5
N9	4.0	5.0	30	2.13	−675