Assessment of Stiffness and Strength Parameters for the Soft Soil Model of Clays of Cameroon

Table 5

Variation of the Soft Soil model parameters of the world.

Parameters	Soft silty clays of Ethiopia	Haney clay	Osaka clay	Flumet clay, France	Saint-Laurent clay, France	Cubzac clay, France	Bangkok clay	Central region clay	Southern region clay	Littoral region clay
γ (kN/m^3)	17.3	—	17	18.5	18	14.5	19		17	17.6
c (kPa)	—	0	0	1	0	32	0	23.1	48.8	18.9
φ (°)	—	30	36	32	37	19	26	35.1	21.6	31
Ψ (°)	—	0	0	0	7	0	0	5.1	0	1
k (m/s)	3.15 × 10^−9	1.16 × 10^−10	1.16 × 10^−9	10^−7	10^−8	5.00 × 10^−8	3.78 × 10^−9	2.61 × 10^−7	3.32 × 10^−6	—
	0.15	0.15	0.15	0.15	0.2	0.15	0.15	0.15	0.15	0.15
e0	1.1	0.896	1.303	0.93	1.23	2.3	0.98	0.975	0.972	1.18
	0.038	0.14	0.125	0.027	0.066	0.198	0.015	0.0551	0.0368	0.0508
	0.006	0.02	0.03	0.0039	0.011	0.029	0.005	0.0043	0.0026	0.0073
M	—	—	—	1.25	—	1.13	1.2	1.89	1.27	1.66
Cc	0.184	—	—	—	—	1.5	—	0.251	0.164	0.238
	0.029	—	—	—	—	0.1	—	0.0099	0.0057	0.017