Abstract
During the recent phase of the project “vessel failure” tests have been carried out on pipe sections under fast external cyclic bending. In connection to former examinations with slowly alternating bending loading now the resonance effect with high accelerations of masses together with energy dissipation due to material plastification was taken into account. In this contribution the design calculations and their results are described as well for the pretests with small dimensions as for the main tests with dimensions of outer pipe diameter 250 mm × 32 mm wall thickness. The main reason for performing pretests was to find out the right regulating technique for the load controlled excitation mechanism and to have a verification for the calculational model. A comparison between the predicted calculated system response and the measured one is pointed out. A good agreement between calculation and measurement was observed. An outlook to the kind of the main tests is given by calculation.
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