Advances in Civil Engineering / 2019 / Article / Tab 2

Research Article

Correlation Analysis of Macroscopic and Microscopic Parameters of Coal Measure Soil Based on Discrete Element Method

Table 2

Microscopic parameters used in the discrete element method simulations.

Particle density2230 kg/m3
Porosity0.32
Model particle diameter20 mm∼200 mm
Friction coefficient0.3
Normal stiffness of particle contact1 × 109 N/m
Tangential stiffness of particle contact1 × 107 N/m

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