NH2

NH3

Dry density ρ d (kg/m3)

1764

1862

1611

1700.5

Swelling potential C g = h h 0 h 0

σ v = 36 kPa

−2.5 × 10−4

−3.5 × 10−4

1.2 × 10−4

5.08 × 10−5

σ v = 420 kPa

−1.69 × 10−3

−1.69 × 10−3

−1.6 × 10−5

0