Evaluation of the pull-out strength of galvanised steel strips in a cement-based material |
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| Authors: | Maziar Ramezani Juan Vilches Thomas Neitzert |
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| Institution: | 1. Centre for Advanced Manufacturing Technology (CAMTEC), School of Engineering, Auckland University of Technology, Auckland, New Zealand
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| Abstract: | The study of the interfacial and bond behaviour of reinforced cement-based materials is important for understanding the mechanical behaviour of such composites. This paper presents extensive experimental, theoretical and finite element analyses of pull-out tests of galvanised steel strips with different geometries, in lightweight cement-based material blocks with different densities and mechanical properties. The theoretical model proposed here is capable of determining the pull-out strength and bond stress versus the slip relationship between components of reinforced cement-based materials. This bond-slip relationship is then implemented in finite element simulation through the user-defined subroutine of ABAQUS software. Based on the results, a trilinear bond-slip model is suitable for modelling the interface between a steel strip and a cement-based material interface. |
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