https://orcid.org/0000-0002-3306-4604
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Abstract
This paper presents a detailed numerical investigation of behavior of cylindrical tube-shaped textile-reinforced cementitious composites (TRCCs) under monotonic lateral compression loading, and experimental verification. Effects of different thickness and number of layers, different textile materials on behavior of cylindrical tube-shaped TRCCs are investigated numerically. Numerical results are obtained by finite element (FE) simulation. The deformations and damages of TRCC tubes have also been investigated and analyzed with material models identified in the FE simulation. As results of numerical analysis, load-displacement curves of TRCC tubes, basic mechanism of their deformations, and the effects of textile material and the number of TRCC layers on the deformation behavior and load-carrying capacities of the TRCC tubes were presented. In this study, it was found that TRCC tubes could be an alternative to conventional pipes due to ductility, manufacturing feasibility according to their desired load-carrying capacity, energy absorption and ductility. Analytical solution based on an energy method was also presented to estimate the strength of different type of TRCC tubes. The results obtained from the FE simulation were compared with test data of monotonic lateral compression experiment for verification. Finally, parametric analysis was conducted using geometrical variables and the effects on tube strengths were examined.
Acknowledgments
Samples were produced in the Structural Composite Lab of Istanbul Technical University. Loading tests were performed in the Construction Material and Mechanics Labs of Istanbul Technical University.
Data availability statement
All data, models, and code generated or used during the study appear in the submitted article.