Operation Manual
86
Attached Table：Reference Table for Densities of Common Materials
S/N Material name Specific Categories
Reference Density
(Kg/m
3
)
Remarks
1Ordinarysoil
Stick thin dry soil 1250
Caking dry soil 1520
Powder dry soil 1550
Wet soil 1725
Mud-like soil 1730
Tight soil 1840
2Clay
Wet clay 1750
Dry clay 1485
3 Sand
Loose dry sand 1440
Wet sand 1680
Water-wet sand 1850
4 Sandstone
Broken sand stone 1500
Solid sandstone 2300
5Gravel
Dry gravel 1485~1650
Wet gravel 2015
Pi gravel 1900
Dryclaymixed 1185
Wet clay mixed 1650
Dry sand mixed 1730
Wet sand mixed 2000
6 Bauxite 1425
7 Gravel 1600
8 Slag Dry 650
9 Coal
Bituminous coal 1190
Smoke peat 950
Dry peat 415
Wet peat 1125
10
Weathered
rock-soil
75% of the geotechnical 1955
50% of the geotechnical 1725
25% of the geotechnical 1585
11 Gypsum
Crushing block 1600
Broken block 1810
Solid block 2780
12 Limestone
Fragmentation 1550
Solid block 2600
13 Furnace slag 1760~2100
14 Granite
Chunky 1650
Overall 2800
15 Hematite 2460
16 Magnetite 2780
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