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espanolEste articulo presenta dos modelos numericos para evaluacion de la distribucion de tension en planchas onduladas de fibrocemento sometido a una carga de succion. Las simulaciones numericas en este trabajo, se hicieron a partir de modelos tridimensionales utilizando el software SAP2000Nonlinear, version 7:42, que se basa en el metodo de elementos finitos (MEF). Se evaluo planchas onduladas con espesor de 5 mm, teniendo en cuenta dos tramos diferentes, 1100 mm y 1530 mm. Las planchas tuvieron las 2a y 5a olas altas fijas. La carga de succion aplicada en de las planchas fue de 10 kN/m2, fue encontrado que las tensiones de planchas en la succion se distribuyen heterogeneamente un estandar mas complejo de lo que los esfuerzos de flexion obtenidos para cargas verticales. Las planchas sufren flexion en direcciones transversales y longitudinales en la carga de succion aplicada, y los puntos de fijacion de las planchas tienen concentracion de esfuerzos. Los resultados numericos de las tensiones mostraron buena concordancia con los resultados de otros investigadores y estos resultados se pueden utilizar para predecir el comportamiento de planchas onduladas de fibrocemento sometidos a cargas de viento de aspiracion. EnglishThis paper presents two numerical models for the evaluation of the distribution of stresses in corrugated sheets of fibre cement subjected to uplift load. The numerical simulations, in this case, were made from three-dimensional models using the software SAP2000Nonlinear, version 7:42, which has as base the finite elements method (MEF). Corrugated sheets with thickness of 5 mm considering two different spans, i.e., 1100 mm and 1530 mm were evaluated. The sheets had the 2nd and 5th high waves fixed. The load of suction applied on the sheets was 10 kN/m2, and it was verified that the stresses on the sheets are distributed heterogeneously in a more complex pattern than for the bending stresses for vertical loads. The sheets suffer bending in transverse and longitudinal directions for the suction load applied, and the attachment points of sheets present concentration of stresses. The numerical results of the stresses showed good agreement with the results obtained from other researchers and these results can be used to predict the behavior of corrugated sheets of fibre cement subjected to wind load suction.

Behavior of corrugated fibre cement sheets subjected to suction loads