Please use this identifier to cite or link to this item: http://repositorio.unicamp.br/jspui/handle/REPOSIP/79689
Type: Artigo de periódico
Title: Structural behaviour of three-pile caps subjected to axial compressive loading
Author: Miguel, MG
Takeya, T
Giongo, JS
Abstract: This work presents a comparative analysis about the behaviour of pile caps supported by 3 piles subjected to axial loading. Piles with 20 cm and 30 cm diameters were analysed. The main reinforcement was maintained in all the specimens, however, the arrangement of the secondary reinforcement varied. The main reinforcement consisted of steel bars connecting the piles. The secondary reinforcement was made up of: (a) bars going through the piles and through the projection of the column, (b) bars forming a network, and (c) vertical and horizontal stirrups. The main objective was the observation of the pile cap behaviour regarding the cracks and the modes of rupture. The real scale specimens were subjected to experimental tests until failure by rupture. Instruments were placed with the aim to obtain the displacement of the bases, the strains in the main and secondary reinforcement bars, in the compression struts, in the lower and upper nodal zones and in the sides of the caps. None of the caps reached failure by rupture with a load less than 1.12 times the theoretical load. The specimens ruptured due to the cracking of the compression strut and/or the yielding of the reinforcement bars in one direction.
Subject: rigid pile caps
reinforced concrete
experimental runs
Strut-and Tie Model
structural design
Country: Holanda
Editor: Springer
Rights: fechado
Identifier DOI: 10.1617/s11527-007-9221-5
Date Issue: 2008
Appears in Collections:Unicamp - Artigos e Outros Documentos

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