Examples; C.2 E Xamples - Geokon 4850 Instruction Manual

C.2 Examples
For an oil-filled cell, nine inches diameter, and D = 0.060 inches, totally embedded in:
(For contact pressure cells, multiply the values for P by two.)
Plastic Clay:
E = 3000 psi
ν = 0.3
o
P = 0.042 psi / C
Soil, medium stiffness:
E = 10000 psi
ν = 0.3
o
P = 0.138 psi / C
Coarse Sand:
E = 50000 psi
ν = 0.3
o
P = 0.69 psi / C
For an oil-filled concrete stress cell, nine inches in diameter, and D=0.020 inches totally
embedded in:
Concrete:
6
E = 5 x 10 psi
ν = 0.25
o
P = 22.7 psi / C
Completely rigid medium:
o
P = 210 psi / C
For the same cell, filled with mercury instead of oil:
Concrete:
o
P = 5.8 psi / C
Completely rigid medium:
o
P = 650 psi / C
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