Plasticity models for the biaxial behaviour of concrete at elevated temperatures, Part I: Failure criterion

Khennane A. and Baker G. (1992) Plasticity models for the biaxial behaviour of concrete at elevated temperatures, Part I: Failure criterion. Computer Methods in Applied Mechanics and Engineering, 100 2: 207-223. doi:10.1016/0045-7825(92)90183-K


Author Khennane A.
Baker G.
Title Plasticity models for the biaxial behaviour of concrete at elevated temperatures, Part I: Failure criterion
Journal name Computer Methods in Applied Mechanics and Engineering   Check publisher's open access policy
ISSN 0045-7825
Publication date 1992
Sub-type Article (original research)
DOI 10.1016/0045-7825(92)90183-K
Volume 100
Issue 2
Start page 207
End page 223
Total pages 17
Subject 1706 Computer Science Applications
2206 Computational Mechanics
Abstract The mechanical response of concrete at elevated temperatures under a generalized state of stress is extremely nonlinear, with both the plastic behaviour and mechanical properties highly temperature dependent. In this and a companion article the plastic response is modelled as possible. Initially, a general analytical form of the failure surface is developed from the available biaxial test data. The envelope is written in terms of stress invariants as a function of temperature, and shows good agreement with experiment. For a given temperature, the loading surface is found by scaling the failure envelope using a hardening parameter. The model is used in the sequel to develop incremental elastic-plastic relationships, and to study deformations in a range of biaxial tests.
Q-Index Code C1
Q-Index Status Provisional Code
Institutional Status Unknown

Document type: Journal Article
Sub-type: Article (original research)
Collection: Scopus Import
 
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Created: Tue, 26 Jul 2016, 05:22:13 EST by System User