Utilize este identificador para referenciar este registo:
https://hdl.handle.net/1822/21577
Título: | Steel fibre reinforced self-compacting concrete for grid foundations of single-family houses |
Autor(es): | Alves, Nuno Barros, Joaquim A. O. Nunes, Ângela Lourenço, Lúcio |
Palavras-chave: | Steel fibre reinforced self-compacting concrete Flexural and shear reinforcement FEM Material nonlinear analysis Post-cracking tensile behaviour |
Data: | 2012 |
Editora: | Universidade do Minho |
Resumo(s): | This paper describes the preliminary studies carried out in the scope of an applied research project for the design and construction of Steel Fibre Reinforced Self-Compacting Concrete (SFRSCC) grid foundations for single-family houses. Adopting a constitutive model for the simulation of the post-cracking behaviour of fibre reinforced concrete, and modelling a complete typical singlefamily house by taking into account the soil-structure interaction, it was estimated the post cracking residual tensile strength for the SFRSCC to be developed. The aimed SFRSCC was prepared in a concrete mix plant, and standard specimens, ½ scale beam prototypes and a ¼ scale grid prototype were cast. To take into account, in the design context, the fibre distribution and orientation that can occur in grid foundations, core samples were extracted from distinct locations and depths in these beams, and the stress-crack width relationship, σ-w, was experimentally assessed. Based on the obtained σ-w curves, and using a cross-section layer model, the flexural capacity of the grid foundation was evaluated. The obtained results show the suitability of SFRSCC for this type of structures. |
Tipo: | Artigo em ata de conferência |
URI: | https://hdl.handle.net/1822/21577 |
Arbitragem científica: | yes |
Acesso: | Acesso aberto |
Aparece nas coleções: | ISISE - Comunicações a Conferências Internacionais |
Ficheiros deste registo:
Ficheiro | Descrição | Tamanho | Formato | |
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IC_132.pdf | 423,91 kB | Adobe PDF | Ver/Abrir |