Table 1 Parameters of fiber-sand mixtures materials in DEM simulation.

From: DEM study on the effect of fiber length and content on the macro-micro mechanical behavior of fiber-sand mixture

Materials

Density

\(\:\left(\varvec{k}\varvec{g}/{\varvec{m}}^{3}\right)\)

Friction coefficient

Normal-to-shear stiffness

Parallel bond normal stiffness\(\:\left(\varvec{P}\varvec{a}\right)\)

Normal stiffness\(\:\left(\varvec{P}\varvec{a}\right)\)

Damping coefficient

Fiber

1150

0.6

1.25

6.7 × 109

1 × 107

0.7

Sand

2600

0.3

1.25

-

1 × 108

0.7

Wall

-

-

1.25

-

1 × 109

0.7

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