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Artículo

Meso-scale response of concrete under high temperature based on coupled thermo-mechanical and pore-pressure interface modeling

Caggiano, AntonioIcon ; Schicchi, Diego Said; Etse, Jose GuillermoIcon ; Ripani, MarianelaIcon
Fecha de publicación: 03/2018
Editorial: Pergamon-Elsevier Science Ltd
Revista: Engineering Failure Analysis
ISSN: 1350-6307
Idioma: Inglés
Tipo de recurso: Artículo publicado

Resumen

This work proposes a meso-scale approach for modeling the failure behavior of concrete exposed at elevated temperature inducing thermal damage. The procedure accounts for a thermo-mechanical and pore-pressure based interface constitutive rule. More specifically, the model represents a straightforward extension of a coupled thermo-mechanical fracture energy-based interface formulation, accounting now for damage induced by the temperature dependent pore-pressure effects in concrete. The nonlinear response of the proposed fully coupled interface model for porous cohesive-frictional composites, like concrete, is activated under kinematic, temperature and/or hydraulic increments (with or without jumps). A simplified procedure is proposed to consider the temperature dependent pore-pressure action. After describing the updated version of the interface model, this work focuses on numerical analyses of concrete failure response under high temperature tests. Particularly, meso-scale analyses demonstrate the predictive capabilities of the proposed formulation.
Palabras clave: Thermal Damage , Fracturediscrete Crack Approach , Meso-Scale , Pore-Pressure
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info:eu-repo/semantics/openAccess Excepto donde se diga explícitamente, este item se publica bajo la siguiente descripción: Creative Commons Attribution-NonCommercial-ShareAlike 2.5 Unported (CC BY-NC-SA 2.5)
Identificadores
URI: http://hdl.handle.net/11336/81316
URL: http://linkinghub.elsevier.com/retrieve/pii/S135063071731107X
URL: https://doi.org/10.1016/j.engfailanal.2017.11.016
Colecciones
Articulos(CCT - NOA SUR)
Articulos de CTRO.CIENTIFICO TECNOL.CONICET - NOA SUR
Articulos(INTECIN)
Articulos de INST.D/TEC.Y CS.DE LA ING."HILARIO FERNANDEZ LONG"
Citación
Caggiano, Antonio; Schicchi, Diego Said; Etse, Jose Guillermo; Ripani, Marianela; Meso-scale response of concrete under high temperature based on coupled thermo-mechanical and pore-pressure interface modeling; Pergamon-Elsevier Science Ltd; Engineering Failure Analysis; 85; 3; 3-2018; 167-188
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