Crack constitutive model to simulate the behavior of fiber reinforced concrete structures failing in punching

For some structural applications, mainly with redundant supports, adding fibers to concrete can be an economic strategy, especially when shear brittle failure mode has a high risk of occurrence. In the present work, a crack constitutive model is proposed to simulate localized failure modes due to pu...

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Bibliographic Details
Main Author: Gouveia, A. Ventura (author)
Other Authors: Barros, Joaquim A. O. (author), Azevedo, Álvaro F. M. (author), Sena-Cruz, José (author)
Format: conferencePaper
Language:eng
Published: 2007
Subjects:
Online Access:http://hdl.handle.net/1822/8955
Country:Portugal
Oai:oai:repositorium.sdum.uminho.pt:1822/8955
Description
Summary:For some structural applications, mainly with redundant supports, adding fibers to concrete can be an economic strategy, especially when shear brittle failure mode has a high risk of occurrence. In the present work, a crack constitutive model is proposed to simulate localized failure modes due to punching. The performance of the developed constitutive model was appraised by simulating the behavior observed in punching tests with lightweight panel prototypes of steel fiber reinforced self-compacting concrete (SFRSCC). The values of the parameters required by fracture mode I of the SFRSCC were obtained by inverse analysis.