Correlation Analysis of Macroscopic and Microscopic Parameters of Coal Measure Soil Based on Discrete Element Method

Table 1

Test results of particle size distribution of coal measure expansive soils.

Test material	Particle size (mm)	Content (%)
Coal measure expansive soil	>20	2.26
	10∼20	7.73
	5∼10	14.63
	2∼5	36.31
	0.5∼2	24.3
	0.25∼0.5	10.17
	0.075∼0.25	3.02
	>0.075	1.58