Compaction and Breakage Characteristics of Crushed Stone Used as the Backfill Material of Urban Pavement Subsidence

Table 1

Particle mass of different samples.

Mass (g)		Particle size (mm)
		10–15	15–20	20–25	25–30
Gradation	1 : 1 : 1 : 1	500.0	500.0	500.0	500.0
	n = 0.7	1231.1	274.7	254.6	239.6
	n = 0.9	1071.8	316.7	308.8	302.7
	n = 1.1	933.0	347.3	356.2	363.4
	n = 1.3	812.3	368.4	397.3	422.0