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Redistribution effects in linear elastic analyses of continuous composite steel-concrete beams according to Eurocode 4

Redistribucija uticaja u linearno elastičnoj analizi spregnutih kontinualnih nosača od čelika i betona prema Evrokodu 4

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2011
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Authors
Kostić, Svetlana M.
Deretić-Stojanović, Biljana
Stošić, Saša
Article (Published version)
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Abstract
Different analytical methods, with different levels of approximations and accuracy, are available for analysis of continuous composite steel-concrete beams. The Eurocode 4 recommends few simple methods for calculation of creep, shrinkage, cracking of concrete and shear lag effects that are explained in the paper. Through the numerical examples of four continuous composite steel-concrete beams, the proposed methods of analyses are evaluated and compared. Practical recommendations for analysis of this type of girders are formulated.
Za analizu spregnutih kontinualnih nosača od čelika i betona postoje različite analitičke metode, različitog stepena tačnosti. Evrokod 4 dozvoljava i preporučuje nekoliko jednostavnih metoda kojima se u proračun uvode nelinearni efekti kao što su skupljanje i tečenje betona, ispicalost betonske ploče i shear-lag efekat, i one su objašnjene u radu. Kroz numeričku analizu četiri spregnuta kontinualna nosača ove metode su upoređene i date su praktične preporuke za analizu ove grupe nosača.
Keywords:
composite structures / creep / shrinkage / cracking of concrete / shear-lag / spregnute konstrukcije / tečenje / skupljanje / ispucalost betona / shear-lag
Source:
Facta universitatis - series: Architecture and Civil Engineering, 2011, 9, 1, 133-145
Publisher:
  • Univerzitet u Nišu, Niš
Projects:
  • Towards development of sustainable cities: influence of traffic induced vibrations on buildings and humans (RS-36046)

DOI: 10.2298/FUACE1101133K

ISSN: 0354-4605

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URI
http://grafar.grf.bg.ac.rs/handle/123456789/417
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  • Radovi istraživača / Researcher's publications
  • Катедра за техничку механику и теорију конструкција
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