Advances in Materials Science and Engineering

Research Article

Numerical Analyses of Earthquake Induced Liquefaction and Deformation Behaviour of an Upstream Tailings Dam

Table 1

Parameters of the Mohr Coulomb model [3, 42–45].


Material zone	Material type	kN/m³	kN/m³	m/s	m/s	kN/m²	kN/m²	°

1	Moraine (initial dike)	20	22	1 × 10⁻⁷	5 × 10⁻⁸	20000	1	35
2	Soft sand tailings	18	18	1 × 10⁻⁷	1 × 10⁻⁸	9800	6	18
3	Layered sand tailings	17	19	5 × 10⁻⁷	5 × 10⁻⁸	9300	10	22
4	Moraine (dikes)	20	22	5 × 10⁻⁸	1 × 10⁻⁸	20000	1	37
5	Compacted sand tailings	16	19	1 × 10⁻⁶	1 × 10⁻⁷	8800	13	26
6	Soft sand tailings	18	18	1 × 10⁻⁷	1 × 10⁻⁸	3000	6	18
7	Compacted sand tailings (dikes)	16	19	1 × 10⁻⁶	1 × 10⁻⁷	7200	13	26
8	Layered sand tailings	17	19	5 × 10⁻⁷	5 × 10⁻⁸	3900	10	22
9	Filter	18	20	1 × 10⁻³	1 × 10⁻³	20000	1	32
10, 11	Rockfill (berms + external erosion protection)	18	20	1 × 10⁻¹	1 × 10⁻¹	40000	1	42

Note: is the unit weight above phreatic level, is the unit weight below phreatic level, is the hydraulic conductivity in horizontal direction, is the hydraulic conductivity in vertical direction, is Young’s modulus, is the effective cohesion, and is the effective friction angle.