
Este articulo presenta los resultados de ensayos experimentales de columnas en perfiles de acero en lamina delgada sometidos a compresion pura. Se presentan e interpretan resultados de 12 elementos ensayados con diferentes relaciones de esbeltez. Los elementos fallan de acuerdo con lo esperado por pandeo local o pandeo global. Los esfuerzos axiales de compresion en la falla se comparan con los esfuerzos ultimos analiticos dados por la Norma Colombiana de Diseno y Construccion Sismo Resistente, NSR-98, obteniendose en general una buena correlacion de resultados. Se encontro que el metodo de ensamble de la seccion, al igual que los esfuerzos residuales afectan considerablemente los esfuerzos axiales resistentes de columnas de acero en lamina delgada.
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