Loading test on a retrofitted pretensioned concrete girder after fire

This paper describes a real scale fire test with details about the temperature development in the building and in some concrete members. An industrial hall erected with precast concrete elements was constructed to serve this purpose. A roof girder which was seriously damaged during the fire, was repaired by shotcreting and submitted to a static loading test up to failure. It was found that the girder showed a load bearing capacity comparable to a reference girder. Combination of simple calculation in combination with the finite element program DIANA, used for the temperature development in the girder, confirms this result.