Fatigue Assessment and Behavior of a Shell Steel Element Welded Joint

The paper is proposing an advance research on welded joints of the shell steel elements. The assessment of the fatigue of the existing structures is a current topic in the sustainable development of the civil engineering work. Planning, manufacturing and serviceability of the steel structures under...

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Bibliographic Details
Published in:Procedia engineering 2017, Vol.181, p.159-166
Main Authors: Radu, Dorin, Galatanu, Teofil-Florin, Taus, Daniel
Format: Article
Language:English
Subjects:
Fatigue
fracture mechanics
steel structures
sustainability
welded joints
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Summary:The paper is proposing an advance research on welded joints of the shell steel elements. The assessment of the fatigue of the existing structures is a current topic in the sustainable development of the civil engineering work. Planning, manufacturing and serviceability of the steel structures under cyclic loads, involves a fatigue designing. Simplified fatigue and fracture mechanics based assessment methods are widely used by the industry to determine the structural integrity significance of evaluate cracks, manufacturing flaws, service-induced cracking or suspected degradation of engineering components under normal and abnormal service loads. In many cases, welded joints are the areas to contain the fabrication defects or cracks initiating and growing during service operation. The welded joints are a major component that is often the cause for structure failure or for being the point at which fatigue or fracture problems initiate and propagate. Various mathematical models for various classes of welded joints are developed by analytically or by simulation software's that can be used in fatigue and fracture assessments.
ISSN:1877-7058
1877-7058
DOI:10.1016/j.proeng.2017.02.423