Research Article
Thermal Cracking Analysis during Pipe Cooling of Mass Concrete Using Particle Flow Code
Table 2
Mechanical properties of particles.
| | Properties | Mechanical microproperties | Value |
| | Microproperties of aggregate and mortar | Normal stiffness (×109 N/m) | 50 | | Shear stiffness (×109 N/m) | 50 | | Friction coefficient | 0.25 |
| | Microproperties of the interface between mortar and mortar | Normal stiffness (×109 N/m) | 20 | | Shear stiffness (×109 N/m) | 20 | | Normal bond strength (×106 N) | 3 | | Shear bond strength (×106 N) | 10 |
| | Microproperties of the interface between aggregate and mortar | Normal stiffness (×109 N/m) | 30 | | Shear stiffness (×109 N/m) | 30 | | Normal bond strength (×106 N) | 4 | | Shear bond strength (×106 N) | 10 |
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