Compression Characteristics of Solid Wastes as Backfill Materials

Table 1

Load deformation test series with different parameters.

Category	Test	Percentage (by weight)
		50–40 mm	40–31.5 mm	31.5–20 mm	20–10 mm	10–0 mm
Single-graded size	1	100
	2		100
	3			100
	4				100
	5					100
Maximum particle size	6				46.3	53.7
	7			40.3	27.6	32.1
	8		11.8	35.5	24.4	28.2
	9	9.5	10.8	32.2	22.0	25.5
Full-scale gradation	10 ()	6.5	7.7	9.8	14.3	61.7
	11 ()	8.5	10.0	12.2	16.8	52.5
	12 ()	10.6	11.9	14.3	18.5	44.7
	13 ()	12.5	13.9	15.9	19.6	38.1

Note: is Talbot’s exponent.