COMPUTER STUDY OF STRESS IN MASSIVE BRIDGES AS A RESULT OF HEAT OF HYDRATION

RECHNERISCHE UNTERSUCHUNG DER SPANNUNG IN MASSIVBRUECKEN INFOLGE DER HYDRATATIONSWAERME

IN ORDER TO CONSIDER THE EFFECT OF HEAT OF HYDRATION, TIME-RELATED DISTRIBUTION OF TEMPERATURE AND THE RESULTING TIME-RELATED DISTRIBUTION OF STRESS ARE TO BE DETERMINED. RELEVANT RESULTS OF MEASUREMENTS AND HEAT ENGINEERING CALCULATIONS ARE TO BE TAKEN AS A BASIS FOR WORKING OUT TEMPERATURE DISTRIBUTION. REPRESENTATIVE CROSS SECTIONS AND NON-CONSTANT POINTS OF SUPERSTRUCTURES ARE TO BE EXAMINED ON THE BASIS OF THESE RESULTS. AS A FIRST STEP THE EFFECT OF HEAT OF HYDRATION IN THE REGION OF THE JOINTS OF PRESTRESSED CONCRETE BRIDGES IS TO BE DETERMINED.