1. Study of slab on grade thickness for racking throughout Finite Element Method
- Author
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J. J. Ferrán Gozálvez, M. Redón Santafé, F. J. Sánchez Romero, J. B. Torregrosa Soler, C. Ferrer Gisbert, and M. Pérez Sánchez
- Subjects
Engineering ,INGENIERIA HIDRAULICA ,Environmental Engineering ,Slab on grade thickness ,0211 other engineering and technologies ,Racking post loading ,02 engineering and technology ,010501 environmental sciences ,Soil reaction ,01 natural sciences ,NA1-9428 ,lcsh:TH1-9745 ,Abacus (architecture) ,Shallow foundation ,021105 building & construction ,Architecture ,Forensic engineering ,Remainder ,0105 earth and related environmental sciences ,Civil and Structural Engineering ,lcsh:NA1-9428 ,Building construction ,MEF ,FEM ,business.industry ,MECANICA DE FLUIDOS ,Determinación espesor soleras ,Building and Construction ,Subgrade ,Structural engineering ,Racking ,Finite element method ,FISICA APLICADA ,Slab ,INGENIERIA AGROFORESTAL ,lcsh:Architecture ,Cargas de estanterías ,business ,TH1-9745 ,lcsh:Building construction - Abstract
[EN] In the current paper, comparative analyses between three procedures of calculation have been developed, in order to obtain slab on grade thicknesses when the slabs are loaded with racking posts. For this case, the classical expression of Westergaard cannot be applied directly because of the influence of the remainder posts and their proximity. Firstly, the comparative analysis has been done by means of bibliographical design abacus; in the second place, the slab is discretized with finite elements resting above the soil modelled with soil reaction springs; and in third place, a three dimensional solid finite element model represents the base and subgrade set. In the paper some innovative issues regarding the thickness performance and the grade slab interaction are developed. Finally, a series of graphical results are obtained allowing for the pre-design., [ES] En el presente artículo se realiza un estudio comparativo entre tres procedimientos de cálculo para obtener espesores en soleras de hormigón ligeramente armadas por retracción, con cargas debidas a estanterías. Las fórmulas para cargas aisladas de Westergaard no tienen para este caso una aplicación directa debido a la influencia del resto de soportes y su cercanía. El estudio comparativo se realiza en primer lugar mediante nomogramas de cálculo de la bibliografía; en segundo lugar, la solera se discretiza con elementos finitos y apoya sobre el terreno modelizado con coeficiente de balasto, y en tercer lugar, mediante elementos finitos tridimensionales sólidos que representan la base y la explanada, desarrollándose aspectos novedosos en el tratamiento del conjunto solera-terreno tanto en sus expresiones como en su interacción. Asimismo, se obtienen una serie de gráficas que permiten realizar predimensionados.
- Published
- 2016
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