Abstract
Dynamic analyses play an important role in the process of designing buildings in the vicinity of transportation routes. The Finite Element Method is the most popular modelling technique, because it allows to simulate the structure response in the higher frequency range properly. However, the results of such analyses depend on many factors and can differ a lot. This paper discusses the impact of the building mass estimation and neglecting or including damping in the analysis on the assessment of influence of vibrations due to traffic on people.
Highlights
Parallel development of residential areas and transportation routes often results in their vicinity
Moving vehicles induce mechanical waves, which are transferred by subsoil to building foundations. This excites vibrations of their structures, which can cause an increase in internal forces or a feeling of discomfort amongst their users [1]
The preparation of a detailed model is necessary in order to simulate the structure response in a range of higher frequencies properly, because they dominate in excitation caused by moving vehicles
Summary
Parallel development of residential areas and transportation routes often results in their vicinity. Moving vehicles induce mechanical waves, which are transferred by subsoil to building foundations. This excites vibrations of their structures, which can cause an increase in internal forces or a feeling of discomfort amongst their users [1]. The standard does not contain information about details like a preferable model of damping or mass distribution, which may have an important influence on the results of the vibration prediction. The first two points allow identifying the transfer function, which describes how vibration characteristics change at the interface of the foundation. The example of such a function can be found in the paper [4]. This paper discusses the influence of the mass distribution and damping parameters on the results of the dynamic analysis and the assessment of the impact of vibrations on people
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