ABSTRACT
This paper presents a review of 3D vibration modelling of steel-concrete composite beams. Dynamic tests were conducted for elements differing in geometry, method and degree of connection. Their dynamic characteristics, including frequencies and vibrations, were determined using impulse response methods. The paper reports the results of experiments carried out several times over 18 years from 2005 to 2023 in West Pomeranian University of Technology in Szczecin. A numerical model was created for each dynamically tested beam using the FEM technique in ABAQUS software. The dynamic characteristics (frequencies and vibration modes) obtained from the experiments were then matched with values obtained from the numerical models. Repeating the tests at intervals for the same beams made it possible to observe the degradation of concrete stiffness over the years.
