Study on Compaction of Reclaimed Soil of Nonmetallic Mining Area in Northern Foothills of Tianshan Mountains in Xinjiang, China
Table 1
Results of the compaction experiment.
Thickness of topsoil (cm)
Times of compaction
Depth of sampling (cm)
Average of natural density, (g/cm3)
Average of water content in mass, (%)
Average of porosity (%)
70
0
10
1.290
11.76
57.71
1
10
1.425
11.41
53.15
30
1.455
12.60
52.68
3
10
1.441
10.58
52.23
30
1.457
12.29
52.47
5
10
1.447
9.70
51.70
30
1.460
14.12
53.09
50
1
10
1.470
14.23
52.87
30
1.455
11.23
52.07
3
10
1.486
12.93
51.81
30
1.483
11.67
51.34
5
10
1.490
11.17
50.92
30
1.539
15.01
50.97
30
1
10
1.512
11.72
50.42
3
10
1.552
13.36
49.83
5
10
1.556
12.71
49.42
Notes. Only the average value of each experiment was listed. The water content is expressed in mass. The calculation method is that the mass of water in the soil is divided by the mass of dry soil. Calculation formula of the porosity is .
