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Home > Publications > International Concrete Abstracts Portal
The International Concrete Abstracts Portal is an ACI led collaboration with leading technical organizations from within the international concrete industry and offers the most comprehensive collection of published concrete abstracts.
Title: Study of Behavior of Concrete under Axial and Triaxial Compression
Author(s): Vahab Toufigh, Mostafa Jafarian Abyaneh, and Khashayar Jafari
Publication: Materials Journal
Appears on pages(s): 619-629
Keywords: disturbed state concept (DSC); hierarchical single-surface (HISS) failure criterion; nonlinear finite element analysis (NFEA); ordinary cement concrete (OCC); polymer concrete (PC); triaxial compression test; uniaxial compression test; volumetric strain
Abstract:In this investigation, polymer concrete (PC) with three different epoxy resin contents, ordinary cement concrete (OCC), lightweight concrete (LWC), and lime-mortar soil (LMS) have been studied under uniaxial and triaxial compression tests to determine their mechanical behavior by measuring axial stress-strain and volumetric strain versus axial strain curves. According to the results, PC showed higher strength, ductility, and energy absorption than that of OCC and LWC. Then, nonlinear finite element analysis (NFEA) was implemented to predict the experimental results using hierarchical single-surface (HISS) failure criterion and disturbed state concept (DSC) to capture the elastoplastic behavior of concrete materials including volumetric strain. Moreover, the pattern of failure was estimated using ultimate disturbance values obtained from the model, followed by comparison with the experimental and Mohr-Coulomb failure patterns. The proposed model is applicable to a variety of materials with different behavior, and its prediction is in good accordance with experimental results.
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