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Space truss systems are formed by steel bars which are under axial tension or compression loads connected each other with nodes. These systems provide constructing wide span structures by light structural elements and also make buildings more powerful and useful. Space truss system elements must be dimensioned due to the loads they carry as dead, live, wind and earthquake loads. In this paper; fatigue damage of a steel space truss system is studied under snow and thermal loads. Results are compared to four space t...

Irregular structures in areas with high seismic activity are always at risk of earthquakes. These type of structures should not have irregularities in any type to avoid heavy damage from earthquakes. Otherwise, the structures will be severe damaged from earthquakes. This damage, results in loss of innocent civilians and damage to the valuable property. Because of this, the limit values of many irregularities in the structures are controlled by codes. One of the irregularities in the buildings is set-back irregular...