Vergleich der Tragfähigkeiten und Qualitätsanforderungen vorwiegend ruhend beanspruchter Schweißverbindungen bei Aluminiumtragwerken nach DIN EN 1999-1-1 und DIN 4113
|Published in:||Stahlbau, March 2016, n. 3, v. 85|
Comparison of the load-bearing capacities of and quality requirements for predominantly statically loaded welded connections of aluminium structures according to DIN EN 1999-1-1 and DIN 4113.
The comparison is done for combinations of alloy and filler, which are regulated in both standards. It is performed for butt welds and singular rectangular fillet welds with equal leg lengths and focuses on execution class EXC2. The comparison reveals that the quality requirements of DIN 4113 are higher than those of DIN EN 1090-3. However, the differences are negligible with regard to the load-bearing capacity of the welds under static loading. The comparison of the design values of the load-bearing capacities shows that for butt welds with verification of weld quality there is a remarkable benefit with regard to DIN 4113 in the case of equal quality requirements. In the case of non verification of the weld quality of butt welds and fillet welds the comparison with the design load-bearing capacities according to DIN 4113 reveals that for butt welds in execution class EXC2 - as well as with the fillet welds - in utilization class UR2 non-destructive testing is dispensable.
standard fillet weld execution class welding consumable utilization range parent weld filler butt weld weld quality utilization class
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