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Ingeniería y competitividad

versão impressa ISSN 0123-3033

Resumo

MADERA, Ingrid E.; GUERRERO, Aydée P.  e  MADERA, Carlos A.. Slab proposal for one and two story housing with a lightweight constructive system: Static vertical load evaluation and finite elements modeling. Ing. compet. [online]. 2014, vol.16, n.1, pp.239-247. ISSN 0123-3033.

As an alternative slab system for lightweight housing construction, a composite slab was developed based on the combined work of existing materials and lightweight elements, achieving a good static load behavior. In this system cold formed steel joists were used linked to ferrocement slab through shear connectors. Initially, two system assemblies were tested to flexural load in order to determinate ultimate loads and deflection caused by service loads. A computational model was produced using the finite element method with the Ansys Ins. program to calibrate the experimental tests. It was used to simulate the flexural tests made on the studied specimens; a static three-dimensional nonlinear analysis was elaborated in accordance to the materials properties used in the specimen, the support conditions and the applied load. Then this model was adjusted in accordance to the test´s results, identifying the parameters that influence the static behavior of the system which will be useful to predict the behavior to flexion of this type of slabs for different geometric configurations

Palavras-chave : Slab; ferrocement; modeling; steel joists.

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