Table 1.

Physical parameters of two kinds of filling aggregates.

Aggregate	Density (t/m3)	Loosen Volume Weight (t/m3)	Moisture Capacity (%)	Porosity (%)	Packing Compaction (%)
Tailing	2.90	1.25	13.43	44.19	55.81
Yellow phosphorus slag	2.56	1.36	3.089	45.11	54.89