Abstract
The paper presents a general procedure of numerical analysis of the steel structure in case of cyclic loading. The basic recommendations that can be applied to different details, are discussed. The article shows examples of the truss structure loaded with a crane track, but also applicable to other types of constructions. There are basic ideas of the whole process, which is divided into several parts. The beginning of the process is to determine the influence line from the simplified model of the whole structure. A stochastic estimation of the load effect associated with the load history in combination with the influence line is utilized. The complex 3D FEM model for estimation of residual life of the chosen detail is the main result of the analysis.
Highlights
In the structural analysis of steel objects subjected to cyclic stress, it is necessary to assess, among other things, the fatigue resistance [1,2,3,4,5,6]
There are specific requirements to predict the residual life of existing steel structures, some of which may have been in operation for decades [13,14,15]
The aim of the paper is to present a possible general procedure of assessing fatigue resistance and predicting the residual life of riveted steel structures under cyclic loading that could be applicable in the construction industry
Summary
In the structural analysis of steel objects subjected to cyclic stress, it is necessary to assess, among other things, the fatigue resistance [1,2,3,4,5,6]. There are specific requirements to predict the residual life of existing steel structures, some of which may have been in operation for decades [13,14,15]. Some of the original steel riveted structures are still in operative state without major failures. These historic buildings still fulfil their original function. The aim of the paper is to present a possible general procedure of assessing fatigue resistance and predicting the residual life of riveted steel structures (for examples see Figs 1a, 1b.) under cyclic loading that could be applicable in the construction industry. The method outlined in this paper is only one of the possibilities of analysis and provides variability of assessment process due to division into several separate parts
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