Local vertical compressive stress in the crane runway beam web
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Issue Vol. 21 No. 4 (2022)
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Comparison of approaches to reliability verification of existing steel structures
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Assessment of effectiveness of selected adaptation actions to climate change. The example of the New Centre of Lodz.
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The sands of medium density and sandy loam density differences investigation while cement injection and pressuremetry crimping
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Local vertical compressive stress in the crane runway beam web
051-066
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Methods of protection and the state of preservation of the walls topping of Gothic brick castles
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Authors
Abstract
In this paper, the authors analysed several variants of connections between a block rail (60 mm × 60 mm) and a crane runway beam (IKS 800-6). They compared local vertical compressive stress in the crane runway beam web, calculated using an analytical approach and numerical simulations. In the case of the continuous block rail rigidly fixed to the beam flange, satisfactory convergence was obtained. For the remaining types of connections the results based on the analytical method were different from the results of the numerical simulations. The difference resulted from the fact that the analytical method did not take into account the crane rail joint. Furthermore, the impact of the elastomeric bearing pad on the local stress value was taken into account in a simplified manner in the analytical method by increasing the effective length by approximately 30%. The local vertical compressive stress in the crane runway beam web was significantly affected by the connection between the rail and the crane runway beam, the crane rail joint type, the use of the elastomeric bearing pad, the length of the elastomeric bearing pad, and the crane rail wear.
