inelastic action; nonlinear analysis; plastic hinges; multizone fire model; radiation model; simulation of heat transfer and structural response; multistory car park structure exposed to car fire; structural response at ambient temperature; fire model for car combustion; car fire near column; car fire below beam's mid span; postfire analysis; parametric study; arched frame subjected to car fire; radiation fire model for simulating fire spread due to car combustion; structural response of arched frame; effects of fire source location on maximum column temperature