Table 1 Material parameter table of deceleration aggregate for perfusion model experiments.

From: Study on the two-phase coupling migration mechanism of deceleration aggregate and water in coal mine water inrush channel

Density ρs,

kg/m3

Diameter ds,

mm

Poisson’s ratio ν

Shear modulus G,

Mpa

Coefficient of

restitution e

Friction

coefficient f

2200

15

0.25

10

0.5

0.1

2600

3000

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