Table 2.

Mechanical properties of soil layers.

Soil layera	Young modulus (MPa)	Poisson's ratio	Density (g/cm3)	Depth (m)
Layer 1	50	0.4	1.7	0–12
	70	0.4	2.89
	35	0.3	1.0
Layer 2	85	0.36	1.75	12–25
	120	0.4	2.97
	60	0.3	1.03
Layer 3	120	0.3	1.80	> 25
	170	0.4	3.05
	85	0.3	1.06

^aEach layer's first, second, and third rows represent their reference, stiffer, and softer soil properties.