Abstract
A simple numerical model for the dynamic analysis of 2D frames in the frequency domain, based on the Spectral Element Method (SEM), is presented in the paper. The influence of soil-structure interaction is taken into account. The dynamic stiffness of rigid foundations is determined by the Integral Transform Method (ITM). Three frames with a different number of storeys are analyzed with respect to vibrations caused by tram and road traffic. The influence of the soil-structure interaction on natural frequencies and amplitudes of vibrations is considered. The assessment of the way in which humans are affected by traffic-induced vibrations is conducted according to British Standard BS:6472.
Highlights
The population growth and rapid development of cities has lead to a substantial increase of traffic in urban areas
The analysis of reinforced plane frames (RC) frames using spectral elements [6] is regarded as an improvement of the preceding model, the soil-structure interaction is not taken into account
A simple numerical model for the 2D dynamic soil-structure interaction analysis in the frequency domain is presented in this paper
Summary
The population growth and rapid development of cities has lead to a substantial increase of traffic in urban areas. The detailed dynamic analysis is carried out using the finite element method (FEM) in the frequency domain, or the boundary element method combined with the finite element method [3] These methods are not simple and their application is burdened with some numerical problems. The analysis of traffic vibration effects on reinforced plane frames (RC), based on the commercial program ETABS, is presented in paper [4]. The analysis of RC frames using spectral elements [6] is regarded as an improvement of the preceding model, the soil-structure interaction is not taken into account. The objective of this paper is to derive a simple numerical model to analyse traffic-induced vibrations of 2D frames, taking into account the soil-structure interaction.
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