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FATIGUE FAILURE OF STEEL SPACE TRUSS SYSTEMS FROM SNOW LOADS

H. Gokdemir, M. Dogan

First published: 2017https://doi.org/10.5593/sgemsocial2017/52/S21.058View metrics

Abstract

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 truss systems which are collapsed from snow loads and it is seen that collapsing mechanism of these space truss systems and calculation results match. And also it is observed that; corrosion and structural irregularities are effective in failure of these systems. Precautions are given for preventing fatigue failure of space truss systems. In this study it is seen that; fatigue failure is an important problem which must be considered in all conditions.

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Publication details

Title
FATIGUE FAILURE OF STEEL SPACE TRUSS SYSTEMS FROM SNOW LOADS
Authors
H. Gokdemir, M. Dogan
Proceedings
4th International Multidisciplinary Scientific Conference on Social Sciences and Arts SGEM 2017
Publisher
STEF92 Technology
Year
2017
Pages
475-482
SWS Citekey
Gokdemir201721475482
ISSN
2367-5659
ISBN
978-619-7408-25-6
Language
en
Publication type
Proceedings Paper
Keywords
fatigueenvironmental interactionfatigue failurethermal stresswelding
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