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INVESTIGATIONS OF WELD IMPERFECTIONS IN BUTT WELDS OF STRUCTURAL HOLLOW SECTIONS (SHS)

F. Mang, Gabriele Steidl, Ömer Bucak

Abstract

Butt welds on rectangular and circular hollow sections -with and without controlled defects of various modes and sizes and of varying distribution - were judged according to the IIW-catalog for radiographs and then tested under static and fatigue load. The influence of defects of butt welds on the strength behaviour was examined. The knowledge obtained from the tests can be used for a definition of allowable stresses.

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Key concepts: Butt welding, Welding, Materials science, Structural engineering, Butt joint, Composite material, Metallurgy, Engineering