In Australia, single storey industrial buildings are a common form of construction; with fires within these buildings also being relatively common. The behavioural response of such buildings in real fire conditions Is investigated; more specifically the behaviour of the connections between the structural concrete and steel components of portal framed industrial buildings. The research presented in this thesis will provide an informative background as well as useful data regarding the response of certain connection types in real fire conditions for single storey portal framed industrial buildings.