Punching shear analysis of post-tensioned slabs
Nenhuma Miniatura disponível
Data
2005-01-01
Autores
Melges, Jose Luiz P. [UNESP]
Pinheiro, Libanio M
Takeya, Toshiaki
Título da Revista
ISSN da Revista
Título de Volume
Editor
Resumo
Experimental results and conclusions about punching shear slab failures are presented. The main analysed aspects are the strength influence of the shear reinforcement (studs) and the post-tensioning with unbonded tendons for an intemal slab-column connection. All the models have the same dimensions (square of 2500mm, depth of l 60mm) and are centrally loaded through a square metallic plate with side equal to 180mm. The mean value of the compressive strength of concrete is 50MPa, measured by standard cylinders. A comparison between the experimental results and those given by standards is presented. The following ones are considered: fib (1999), FIP (1999), ACI318 (1999), and the Brazilian Code NBR6118 (2003). This comparison intends to verify if the codes accurately predict the connection punching shear strength.
Descrição
Palavras-chave
Como citar
Keep Concrete Attractive - Proceedings of the fib Symposium 2005, v. 1, p. 304-309.