Sample Preparation Methods Affect Engineering Characteristic Tests of Municipal Solid Waste

Table 6

Cohesion c and angles of internal friction φ index values of different samples.

Sample type	Index	Vertical stress (kPa)	Samples
			1	2	3	4	5	6	7	8
Wet method	φ (°)	0–200	24.773	27.776	24.218	16.768	29.183	29.972	23.118	25.585
		200–400	25.753	15.547	4.2892	8.3682	24.008	14.928	N/A	N/A
	c (kPa)	0–200	14.602	10.459	20.388	18.922	1.018	4.585	17.243	13.989
		200–400	18.108	63.644	92.14	51.54	26.607	71.352	N/A	N/A
Dry method	φ (°)	0–200	24.717	23.965	29.875	29.486	24.589	30.088	25.122	27.131
		200–400	4.340	17.276	18.716	19.55	21.569	13.961	N/A	N/A
	c (kPa)	0–200	9.083	27.015	2.523	2.031	11.954	3.283	16.878	2.702
		200–400	88.577	59.577	47.166	53.314	22.358	64.018	N/A	N/A