Experimental Study on Compaction Characteristics and Mechanical Behavior of Crushed Rock Masses

Table 1

Factors and levels in orthogonal design.

Level	Factor
	Moisture content	Compression ratio	Particle size	Volume-based gradation
1	5%	18% (24.3 mm)	≤1	Sandy mudstone
2	6%	21% (28.4 mm)	1-3	Mudstone
3	7%	27% (36.5 mm)	3-5
4	8%	30% (40.5 mm)	5-10