Experimental Research on Mix Ratio of Construction Waste Cemented Filling Material Based on Response Surface Methodology

Table 1

Particle size distribution of construction waste for different Talbol gradation indexes (wt. %).

n	Particle size range (mm)
	<2.5	2.5∼5	5∼10	10∼16	16 ∼20
n = 0.3	53.59	12.39	15.25	12.30	6.48
n = 0.4	43.53	13.91	18.35	15.68	8.54
n = 0.5	35.36	14.64	20.71	18.73	10.56