Abstract
Material Properties of SS 41 steel in high temperature is represented in function form by assuming an independence between instantaneous plastic strain and time-dependent creep strain, in which the latter is formulated by a rheology model including the effect of non-stational creep. Effect of prior plasticity on subsequent creep is discussed. Deformation of multi-story one-span steel frame structures in fire is analyzed using finite element method. Strength of structure during fire is evaluated by a serviceability limit load.
