Research Article
XFEM for Thermal Crack of Massive Concrete
Table 1
Main properties of concrete.
| Property | Values | Note |
| Density | 2663.0 kg/m3 | Constant | Thermal conductivity | 184.9 kJ/mday °C | Constant | Specific heat | 0.86 kJ/kg °C | Constant | Heat convection coefficient | 1200.0 kJ/m2day °C | Constant | | 1.40 | Constant | | 0.62 | Constant | | 0.88 | Constant | | 0.25 | Constant | Elastic modulus (28 d) | 40 GPa | Time-dependent | Poisson’s ratio | 0.167 | Constant | Coefficient of thermal expansion | 7 × 10−6/°C | Constant | Allowable maximum principle (28 d) | 1.98 MPa | Time-dependent | Critical energy release rate for model I (28 d) | 47.92 N/m | Time-dependent |
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