Research Article
Study on the Calculation Method of the Diffusion Range of Grouting Slurry for a High-speed Railway Ballastless Track Subgrade
Table 1
Particle simulation parameters.
| | Particle diameter (mm) | 6 | | Static friction coefficient | 0.4 | | Density (kg/m3) | 1920 | | Poisson’s ratio | 0.28 | | Gravity acceleration (m/s2) | 9.81 | | Parallel bond stiffness (N/m3) | 1.50 E + 06 | | Normal bond stiffness (N/m3) | 1.50 E + 06 | | Normal critical stress (Pa) | 2.00 E + 08 | | Tangential critical stress (Pa) | 2.00 E + 08 |
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