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Abstract
The present paper is devoted to the numerical investigations of stability of a truss under upward wind load. The truss is braced at its the upper cord. A structural variant including lateral braces, or lateral and torsional braces is considered. The research presents the problems of linear buckling and non-linear static analysis of the truss shell and beam model with geometric and material non-linearity are presented. The initial imperfections were assumed in the form of arch curvature of the compressed bottom chord due to EC3 requirements. As a results the truss buckling and limit load were found related to the truss bracing stiffness. The threshold bracing condition was obtained necessary to provide maximum buckling resistance of the truss.
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Details
- Category:
- Conference activity
- Type:
- materiały konferencyjne indeksowane w Web of Science
- Title of issue:
- 13th International Conference on Metal Structures (ICMS) strony 417 - 424
- Language:
- English
- Publication year:
- 2016
- Bibliographic description:
- Krajewski M., Iwicki P..: Stability of a truss under upward wind loading, W: 13th International Conference on Metal Structures (ICMS), 2016, Taylor and Francis Group, CRC Press/Balkema,.
- DOI:
- Digital Object Identifier (open in new tab) 10.1201/b21417-57
- Verified by:
- Gdańsk University of Technology
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