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Projects / Programmes source: ARIS

Welded joints in structures in earthquake conditions

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Research activity

Code Science Field Subfield
2.10.06  Engineering sciences and technologies  Manufacturing technologies and systems  Welding 

Code Science Field
T220  Technological sciences  Civil engineering, hydraulic engineering, offshore technology, soil mechanics 
Keywords
earthquake load, welded joint, low cycle fatigue, load cycles, force - deformation diagram, structure model, hysteresis loop, fatigue fracture
Evaluation (rules)
source: COBISS
Evaluation of bibliographic research performance indicators according to ARIS methodology
Citations Citations for bibliographic records in COBIB.SI that are linked to records in citation databases
source: WoS source: Scopus source: COBISS
Researchers (11)
no. Code Name and surname Research area Role Period No. of publications
1.  13548  Aleksander Bon  Manufacturing technologies and systems  Researcher  1997 - 1999  22 
2.  16052  Davor Jukić  Manufacturing technologies and systems  Researcher  1999  2 
3.  05508  Marko Kovačič  Manufacturing technologies and systems  Researcher  1997 - 1999  3 
4.  03088  PhD Janez Kramar  Mechanical design  Researcher  1997 - 1999  470 
5.  00217  PhD Gabriel Janez Rihar  Manufacturing technologies and systems  Researcher  1997 - 1999  230 
6.  02726  Bojan Rom  Manufacturing technologies and systems  Researcher  1998 - 1999  15 
7.  00654  PhD Miha Tomaževič  Civil engineering  Researcher  1997 - 1999  743 
8.  15842  PhD Janko Tomc  Mechanical design  Researcher  1997 - 1999  48 
9.  02045  PhD Janez Tušek  Mechanical design  Head  1997 - 1999  1,116 
10.  12074  PhD Miro Uran  Manufacturing technologies and systems  Researcher  1997 - 1999  136 
11.  11182  PhD Borut Zorc  Manufacturing technologies and systems  Researcher  1997 - 1999  609 
Organisations (3)
no. Code Research organisation City Registration number No. of publications
1.  0209  Welding Institute  Ljubljana  5051398000  1,335 
2.  0782  University of Ljubljana, Faculty of Mechanical Engineering  Ljubljana  1627031  29,252 
3.  1502  Slovenian National Building and Civil Engineering Institute  Ljubljana  5866324000  10,455 
Abstract
The research project on '''' Welded joints in structures in earthquake conditions'''' is an applicative project studying welded joints between story beams and vertical beams in building subjected to earthquake loads. Two equal models of the welded structure were made. They were both tested by low cycle fatigue, which represents an earthquake load. The influence of a welding process on fatigue was studied, weld sizes being in both models the same. By program controlled hydraulic system providing force pulsations, large deformations in the structure and the fatigue fracture of the welded joints were achieved in four load cycles. Force - deformation diagrams show the input of mechanical energy into the welded joint. The greater width of the hysteresis loop and the greater number of the loops show the greater resistance of welded joints to the earthquake load. It was noticed that the difference between the two welding processes did not affect the resistance to earthquake load.
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