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CONFERENCE PROCEEDINGS INTERNATIONAL CONFERENCE
"CONTEMPORARY ACHIEVEMENTS IN CIVIL ENGINEERING 2015 "
FACULTY OF CIVIL ENGINEERING SUBOTICA , 2015.y., pp. 261-269


TRUSS BEAMS WELDED JOINTS STRENGTHENING SOLUTIONS
 
DOI: 10.14415/konferencijaGFS 2015.033
UDC: 624.072.331/.336:69.059.3
CC-BY-SA 4.0 license
Author : Radu, Dorin; Băncilă, Radu
 
 Summary:
 In case of steel structure buildings with large spans, due to the ease of manufacturing and following weight optimization, the H or I type profiles for truss beam elements with welded joints are used increasingly more often. In order to ensure the strength and stability of the assembly, the manufacture by welding and the position of diagonals at the top and lower chords are very important to be respected as presented in the design project (drawings). In many cases these joints have manufacturing imperfections that lead to high stresses in the joint area. The paper presents the case of HEA type profile truss beam joints designed according to EN1993-1-8. The manufacture reveals eccentricities in joints and a high level of imperfections. Presented are the effects of imperfections and the strengthening solutions for the joints.
 
 Keywords:
 welded joints, truss beams, welding imperfections, steel structures