Management of Commercially Generated Radioactive Waste - U.S. ...

TABLE B.2.1. Physical Properties of Media
Type of Properties Parameter(a) Salt Granite Shale Basalt
Index Unit weight, Ib/ft 3
(density)
130 to 152 144 to 190 117 to 188 180
Natural moisture
content, % 0 to 1.1 0 to 0.32 0 to 38 nil
Stress-Strain Young's modulus, Ib/in. 2
0.09 x 106 2.3 x 106 2 x 103 1.8 x 106
to to to
7.25 x 106 12.1 x 106 26.4 x 106
Poisson's ratio 0.22 x to 0.50 0.045 to 0.39 0.03 to 0.50 0.26
Strength Cohesion (1,500 to 3,500
psi ranges), Ib/in. 900 to 1,700 -- 0 to 4,250
Friction angle, 20 to 36 -- 4.2 to 56 --
Uniaxial compressipe
strength, Ib/in. 2,300 to 7,250 5,100 to 51,200 70 to 37,000 18,000 to 40,000
Tensile strength, Ib/in. 2 120 to 458 500 to 8,100 0 to 1,540 1,800 to 3,500
Thermal Coefficient of
linear thermal 2.1 x 10 5
3.0 x 10-
- 6
4 x 10
expansion, F-1 6.0 x 106
3.0 x 10 -6
Heat capacity, Btu/lb- F 0.19 to 47.00 0.16 to 0.33 0.20 0.17 to 0.23
Thermal conductivity, at 32 F-3.5 at 32 F-1.65 at 32 F-1.1 at 32 F-0.65
Btu/hr-ft- F at 752 F-1.2 at 752 F-1.24 at 752 F-0.8 at 752 F-0.85
Hydrologic Permeability, ft/yr
- 15
1.7x 10 Very low if no horizontal 10 to 10 Very low if
to 2
1 x 10
joints or
fractures vertical 1/2 to 1/10
times horizontal
unfractured
and not jointed
(a) In English units.
Porosity, % 1.4 to 10.0 0.5 0 to 45 0.6