Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

Experimental, Analytical and Numerical Research of Flexural Behavior of RC Beams Strengthened with Ferrocement

Version 1 : Received: 21 August 2023 / Approved: 22 August 2023 / Online: 22 August 2023 (07:27:06 CEST)

How to cite: Živković, D.; Blagojević, P.; Kukaras, D.; Cvetković, R.; Ranković, S. Experimental, Analytical and Numerical Research of Flexural Behavior of RC Beams Strengthened with Ferrocement. Preprints 2023, 2023081501. https://doi.org/10.20944/preprints202308.1501.v1 Živković, D.; Blagojević, P.; Kukaras, D.; Cvetković, R.; Ranković, S. Experimental, Analytical and Numerical Research of Flexural Behavior of RC Beams Strengthened with Ferrocement. Preprints 2023, 2023081501. https://doi.org/10.20944/preprints202308.1501.v1

Abstract

The practical necessity of strengthening of reinforced concrete structure elements requires a choice of a method which would provide cost-effectiveness, simplicity of construction and durability of the chosen solution. One of the ways is strengthening using the material belonging to the group of micro-reinforced concretes called ferrocement. The paper presents the comparative analysis of some of the results of RC beams exposed mainly to flexure, strengthened with ferrocement elements (strips) applied by gluing on the on the tensed side of RC beams. The results are obtained using the experimental, analytical and numerical research on the adequate models. Strengthening of the beams was performed in the form of four types of ferrocement strips (four different strip widths and four different numbers of wire mesh layers). The numerical non-linear analysis using finite elements method (FEM) was employed, with the introduction of the corresponding characteristics of constitutive material obtained by the experiments on the test specimens. The analytical researches were performed using known analytical calculation methods in order to formulate the model for the calculation of the ultimate and serviceability limit states of the strengthened cross-section. The results presented in the paper, through their comparative compatibility, confirmed the applicability of this strengthening method.

Keywords

strengthening; micro-reinforced concrete; ferrocement; RC beams; flexure; numerical simulation

Subject

Engineering, Civil Engineering

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