Abstract
The effects of the outdoor climatic conditions are observed in all constructions. Steel members of such constructions are affected negatively by urban atmospheres in a synergy with the effects of industrial pollutants. In very exposed buildings the impact of such effects is so significant that diagnostic assessment of their state and technical expertise is required. The paper presented shows the actual state assessment and the verification of structural reliability of the existing load-bearing structure of an exterior car park roof, emphasizing the estimation of corrosion losses in the steel structure that have considerably lowered its lifespan and obstructed its safe operation.
Highlights
The observation of steel degradation in adverse atmospheric conditions has been the subject of a number of scientific papers and specialized publications, the effects of the atmosphere in the city of Košice on various constructions are no exception
Numerous research programmes have pertained to the effects of atmospheric conditions on historical monuments, for instance, the state of the Dehli iron pillar in India has been monitored for quite long [6, 7, 8]
The elemental analysis of surface layers of steel sheets was reformed by X-ray fluorescence (XRF) using an AMETEK Spectro iQ II spectrometer
Summary
The observation of steel degradation in adverse atmospheric conditions has been the subject of a number of scientific papers and specialized publications, the effects of the atmosphere in the city of Košice on various constructions are no exception. The atmospheric conditions in the city are somewhat specific as both urban and industrial activities can be observed. Due to the extensive use of the Konox steel, the long-term monitoring of the atmospheric influence on some exposed specimens took place for a period of 20 years [2]. Some foreign research studies pertained to the longterm negative effects of various types of atmosphere (rural, urban, and industrial) during the 13-year-long exposure period where structural changes and the morphology of corrosive neo-formations were investigated [4]. Numerous research programmes have pertained to the effects of atmospheric conditions on historical monuments, for instance, the state of the Dehli iron pillar in India has been monitored for quite long [6, 7, 8]. As the long-term monitoring of the corrosion processes in steel members is too costly, numerous corrosion tests are undertaken on models simulating the aggressive environmental conditions, and, in defined conditions, research into the kinetics of corrosion phenomena is possible
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