Welding and Properties of the Lamellar Flange Weld Joint for Modern Bridge Construction

机译：现代桥梁施工薄板法兰焊接接头的焊接及性能

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This paper describes the welding procedure qualification of the multilayer "lamellar" flange for modern bridge construction made in the Czech Republic. The finegrained 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.

机译：本文介绍了捷克共和国制造的现代桥梁建筑用多层“层状”法兰的焊接工艺资格。细粒结构钢用于建筑和焊接鉴定。简要提到了该钢种的可焊性。描述了包括焊接接头准备在内的技术和建议的焊接工艺。在架空位置的FCAW焊接通过无缝药芯焊丝进行，在平坦位置使用实心焊条进行SAW焊接。研究了多层焊接接头上所有必需的测试，包括拉伸测试，弯曲测试，硬度分布，冲击测试和宏观评估。所有测试结果均符合EN ISO 15614-1标准要求。基于令人满意的结果，可以对提议的多层法兰焊接接头的焊接工艺进行鉴定。

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《Composite Construction in Steel and Concrete VII》|2013年|27-35|共9页
会议地点 North Queensland(AU)
作者
Jaroslav Koukal; Martin Sondel; Drahomir Schwarz;
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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;

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;

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;

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Welding and Properties of the Lamellar Flange Weld Joint for Modern Bridge Construction

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