Scaled Models in Fire Research on Concrete Structures |
Common terms and phrases
amounts of scaling assumptions ax² Buckingham's Pi theorem coefficient of thermal concrete at elevated concrete slabs dead load Development Labora Development Laboratories differential equation dimensionless form dimensionless number elastic elevated temperatures Ə² fire endurance fire research fire test FIRE-EXPOSED SURFACE following form Fourier's number furnace geometric scale governs similitude heat and mass heat transfer homologous inversely proportional known basic laws linear mass diffusivity mass transfer material methods model and prototype model tests models in fire Nusselt's number PCA Research pertinent variables Portland Cement Prestressed Concrete properties of concrete proto rate of deflection refers Research and Development rheological scale models set of numbers Sg Lm shown in Fig similitude of temperature similitude relation similitude relationships specimens sq ft structural models SURFACE 0.4 T₂ temperature distri temperature distribution temperature T₁ thermal diffusivity thermal stresses thickness time-temperature curve tion totype unexposed surface Young's modulus ат әм