COMPARATIVE ANALYSIS OF MODELS OF RAILWAY LOADS C14 AND LM71 FOR GIRDER BRIDGES
| Autor: | V. Ye. Artemov, A. S. Raspopov |
|---|---|
| Jazyk: | angličtina |
| Rok vydání: | 2014 |
| Předmět: |
Influence line
Engineering business.industry Computer programming Mode (statistics) lcsh:TA1001-1280 General Medicine Structural engineering SNR Civil engineering Calculation methods beam bridges sanitary norms and rules Beam bridge Girder national standards of Ukraine Train Matrix analysis lcsh:Transportation engineering business State Standard dynamic coefficient railway load railway bridges |
| Zdroj: | Nauka ta progres transportu, Vol 49, Iss 1, Pp 160-166 (2014) |
| ISSN: | 2307-6666 2307-3489 |
| Popis: | Purpose. The article analyzes the railway load LM71 for the purpose of its application in national design projects of the railway girder bridges. Purpose of the article is harmonization of national design codes of enginnering structures with the European standards (Eurocodes). Methodology. Analytical calculation methods (influence lines), the matrix analysis and computer programming are used in the article. Findings. Deflected mode parameters of the railway bridges under the influence of loads C14 and LM71 have certain differences. The extent of these differences depends on length, material of drift structures and also on dynamic coefficients. These dependences should be considered in national design codes and in harmonized with Eurocodes standards. In the further researches relationships between load C14 and models SW, HSLM taking into account various dynamic effects and trains speed is planned to determine. Originality. The presented results, in particular deflected mode parameters (including loads with dynamic coefficients), obtained for the first time. P ractical value. Results of research are used in National Annex to the National Standard of Ukraine NSTU-N B EN 1991-2:2010. Eurocode 1. Actions on structures. Part 2. Traffic loads on bridges (EN 1991-2:2003). |
| Databáze: | OpenAIRE |
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