1 Scope.- 1.1 General comments .- 1.2 Context and objectives .- 2 Introduction.- 2.1 Physical aspects of heated concrete.- 2.2 Modelling .- 2.3 References.- 3 Engineering Modelling.- 3.1 General approach.- 3.2 Eurocode.- 3.3 Thermal analysis.- 3.4 Mechanical analysis.- 3.5 Spalling.- 3.6 Examples of national guidelines.- 3.7 Discussion, limits.- 3.8 References.- 4 Advanced Modelling.- 4.1 Concrete as multiphase porous material .- 4.2 Heat and mass transfer.- 4.3 Key points for modelling cement-based materials at high temperature.- 4.4 Numerical approach.- 4.5 Simplified one-fluid model.- 4.6 Simplified thermo-mechanical approach.- 4.7 Mechanical modelling.- 4.8 References.- 5 Constitutive Parameters.- 5.1 Hygral Parameters.- 5.2 Thermal Parameters.- 5.3 Mechanical Parameters.- 5.4 References.- 6 Conclusion.