Density of soil material

The soil density is used to calculate the thermal capacity of soil.

The values are taken from engineeringtoolbox.com . A typical average value of the soil dry density for central European soil is 1400 kg/m$^3$.

Symbol

$\zeta_{soil}$

Unit

kg/m$^3$

Used in

$C_{v,soil}$

Heat capacity of a unit volume of soil [J/(K.m$^3$)]

$\delta_{soil}$

Soil thermal diffusivity [m$^2$/s]

$k_4$

Thermal conductivity of soil [W/(m.K)]

Choices

Material	Density kg/m$^3$	lb/ft$^3$
Dirt, loose dry	1220	76
Dirt, loose moist	1250	78
Clay, dry	1600	100
Clay, wet	1760	110
Gravel, dry	1680	105
Gravel, wet	2000	125
Limestone	2560	160
Loam	1280	80
Mud, flowing	1730	108
Mud, steady	1840	115
Rock, well blastered	2480	155
Sand, dry	1555	97
Sand, wet	1905	119
Concrete	3150	197