Chapter
Feb 22, 2016
Welding and Properties of the Lamellar Flange Weld Joint for Modern Bridge Construction
Authors: Jaroslav Koukal [email protected], Martin Sondel [email protected], and Drahomir Schwarz [email protected]Author Affiliations
Publication: Composite Construction in Steel and Concrete VII
Abstract
This paper describes the welding procedure qualification of the multilayer “lamellar” flange for modern bridge construction made in the Czech Republic. The fine-grained structural steel was used for construction and welding qualification. Weldability of this steel grade is briefly mentioned. Technological and proposed welding processes including weld joint preparation are described. FCAW welding in the overhead position is carried out by the seamless flux cored wire and SAW welding using solid wire in the flat position is applied. All required tests on the multilayer weld joint including tensile test, bend test, hardness distribution, impact test, and macroscopic evaluation are investigated. All test results are in good agreement with EN ISO 15614-1 standard requirements. Based on the satisfactory results, the proposed welding procedure for the multilayer flange weld joint can be qualified.
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© 2016 American Society of Civil Engineers.
History
Published online: Feb 22, 2016
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Authors
Affiliations
Czech Welding Institute Ltd., 17. listopadu 2172/15, 70833 Ostrava, Czech Republic; VSB-Technical Univ. of Ostrava, 17. listopadu 2172/15, 70833 Ostrava, Czech Republic. E-mail: [email protected]
Czech Welding Institute Ltd., 17. listopadu 2172/15, 70833 Ostrava, Czech Republic; VSB-Technical Univ. of Ostrava, 17. listopadu 2172/15, 70833 Ostrava, Czech Republic. E-mail: [email protected]
Czech Welding Institute Ltd., 17. listopadu 2172/15, 70833 Ostrava, Czech Republic; VSB-Technical Univ. of Ostrava, 17. listopadu 2172/15, 70833 Ostrava, Czech Republic. E-mail: [email protected]
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