Buckling of thin-walled girders under compound load |
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| Authors: | S Jakubowski |
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| Affiliation: | 1. The University of Auckland, Auckland, New Zealand;2. University of Strathclyde, Glasgow, United Kingdom;3. Imperial College London, London, United Kingdom;1. Earth and Life Institute, Université catholique de Louvain, 2 Croix du Sud bte L7.05.16, 1348 Louvain-la-Neuve, Belgium;2. CS Romania S.A., 29 Strada Pacii, 200692, Craiova, Romania;3. Centre d''Etudes Spatiales de la BIOsphère CESBIO, Université de Toulouse, CNES/CNRS/IRD/UPS, 18 Avenue Edouard Belin, 31401 Toulouse, France;4. CS Systèmes d''Information, 5 rue Brindejonc des Moulinais, 31506 Toulouse, France;5. CIRAD-UMR TETIS, Maison de la télédétection, 500 rue J.-F. Breton, 34093 Montpellier, France;6. TETIS, Université de Montpellier, CIRAD, Irstea, AgroParisTech, CNRS, Montpellier, France;7. Faculty of Sciences and Techniques, Sultan Moulay Slimane University, POB 523, Béni Mellal, Morocco;8. École Nationale des Sciences Appliquées de Safi, Université Cadi Ayyad, 46000 Safi, Morocco;9. Space Research Institute of National Academy of Sciences of Ukraine and State Space Agency of Ukraine, 40 prosp. Glushkov, build.4/1, 03680 Kyiv, Ukraine;10. Université Chouaib Doukkali, Morocco;11. Institute of Remote Sensing and Digital Earth, Chinese Academy of Sciences, Olympic Village Science Park, West Beichen Road, Chaoyang, Beijing 100101, China;12. Agricultural Research Council (South Africa), Private Bag X79, 0001 Pretoria, South Africa;13. Ministry of Agriculture, Sudan;14. Laboratoire Mixte International TREMA, Centre Geber, Faculté des Sciences de Semlalia, 40000 Marrakech, Morocco;15. International Crops Research Institute for the Semi-Arid Tropics (ICRISAT), Samanko Stn., POB 320, Bamako, Mali;p. Institut d''Economie Rurale, Bamako, Mali;q. ESA-ESRIN, European Space Agency, Via Galileo Galilei, Casella Postale 64, 00044 Frascati, Rome, Italy |
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| Abstract: | A theoretical study of the local buckling kof thin-walled girders with closed polygonal cross-sections is presented. The load of the girder consists of compression, asymmetrical bending and shear. The parabolic distribution of shear stresses in webs is included in the theoretical considerations. The energy method is employed and sine and polynomial series are applied to describe the deflections of any wall. A sample of the results of numerical calculations is presented for a girder with rectangular cross-section subjected to bending and shear. Some results for a girder under asymmetrical bending are also included. |
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