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Adhesive bonded tubular cast steel - steel joints in framework structures

Albiez, M. ORCID iD icon; Ummenhofer, T.; Ehard, H.; Bucak, Ö.; Fricke, H.; Vallée, T.


Today hollow and tubular sections are used as structural members in buildings and bridges as well as in crane and wind energy plant constructions. To develop design guidelines for welded hollow section nodes under static and fatigue loads numerous research projects have been carried out in the past decades. Since fatigue cracks usually initiate from the weld root, higher safety factors are required during the design process such as a classification in low FAT classes.
In the research project presented an adhesively bonded joint for steel tubes and cast steel components is developed and investigated. In a first step constraints as well as mechanical and thermal stresses in the field of steel constructions were analyzed and requirements for the bonded connections were derived. It was found that production and manufacturing tolerances are a central issue, as thick film bonding and precise manufacturing processes are required.
Surface analytics and adhesion tests showed sufficient bond strength to corundum blasted cast steel surfaces. On the basis of bulk and lap shear test, two adhesive fulfilling the previously defined requirements have been identified and characterized. ... mehr

Zugehörige Institution(en) am KIT Versuchsanstalt für Stahl, Holz und Steine (VAKA)
Publikationstyp Proceedingsbeitrag
Publikationsjahr 2015
Sprache Englisch
Identifikator KITopen-ID: 1000051949
Erschienen in METEC & 2nd ESTAD 2015, 2nd European Steel Technology and Application days, Düsseldorf, Germany, 15-19 June 2015
Schlagwörter Adhesive bonding, structural engineering, tubular structures, production technology,
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