Mechanical Characterisation of Flax and Jute Textile-Reinforced Mortars

Trochoutsou, Niki; Benedetti, Matteo Di; Pilakoutas, Kypros; Guadagnini, Maurizio

doi:10.1016/j.conbuildmat.2020.121564

Cited by 43 publications

(33 citation statements)

References 38 publications

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“…The most relevant results are related to the activities of the RILEM Technical Committee 250-CSM (2012)(2013)(2014)(2015)(2016)(2017)(2018)(2019), which involved different European research institutions focusing on the study of synthetic and inorganic fibers (Caggegi et al 2017;Carozzi et al 2017;De Santis et al 2017a;Leone et al 2017;Lignola et al 2017). In addition, some attention was devoted to the use of natural fibers, which can represent a more sustainable and optimized alternative (Olivito et al 2016;de Carvalho Bello et al 2019;Trochoutsou et al 2021).…”

Section: Experimental Evidencesmentioning

confidence: 99%

Characterization of Textile-Reinforced Mortar: State of the Art and Detail-Level Modeling with a Free Open-Source Finite-Element Code

Boem

2022

J. Compos. Constr.

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The research addressed in the paper is aimed at calibrating a numerical model developed by using a free open-source finite-element code for the assessment of the structural performances of historical masonry buildings strengthened using the textile-reinforced mortar (TRM) technique. TRM is a near-surface-mounted system, which couples inorganic matrices with fiber-based textile or meshes. The main purpose is to develop a multiple-level numerical approach, starting with the detailed modeling of components and interfaces, followed by a computationally efficient intermediate level model, using layered elements, for the calibration of a lumped plasticity-based model suitable for the global analysis of structures. In this paper, the first research results are presented. In particular, a broad literature review concerning the mechanical characterization and analysis of TRM systems is collected. Then, the calibration of the numerical model, the validation through comparison with the results of experimental characterization tests available in the literature (tensile, shear bond, and in-plane shear tests) and a sensitivity analysis are reported. Nonlinear static analyses were performed, considering the nonlinearity of the composite material components and interfaces. The model was capable of accounting for the main parameters affecting the behavior of the composite material, such as the reinforcement ratio and orientation, the mortar characteristics and the wire-mortar interaction and proved to be a valid tool to investigate the optimization of TRM applicative details.

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Section: Experimental Evidencesmentioning

confidence: 99%

Characterization of Textile-Reinforced Mortar: State of the Art and Detail-Level Modeling with a Free Open-Source Finite-Element Code

Boem

2022

J. Compos. Constr.

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“…Physical and mechanical characteristics of raw jute fibers, threads and diatons. Construction and Building Materials, 326, 126903. https://doi.org/10.1016/j.conbuildmat.2022.126903 3 wall for seismic-like actions has been investigated and demonstrated experimentally [23] [24], similarly the mechanical performance of jute TRM can be found in [24].…”

Section: Introductionmentioning

confidence: 99%

Physical and mechanical characteristics of raw jute fibers, threads and diatons

Majumder

Stochino

Farina

et al. 2022

Construction and Building Materials

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“…In addition to chemical treatments, something else can facilitate the interaction between matrix and fibers: the main idea is to consider what has been performed in some engineering applications to improve the mechanical interaction between incompatible materials, i.e., the use of meshes. This solution is very common in the building construction field [26][27][28]. The mesh can indeed guarantee a mechanical interlocking inside the matrix, this solution is successfully utilized in some metal foam [29] and building construction works [28,30].…”

Section: Introductionmentioning

confidence: 99%

Production of PP Composites Reinforced with Flax and Hemp Woven Mesh Fabrics via Compression Molding

2021

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Hemp and flax fibers are among the most interesting vegetable fibers that can be used to reinforce polymeric matrices. In line with the global environmental requests, the use of these fibers especially coupled with thermoforming polymers are increasing more and more in order to expand their applications and replace synthetic fibers and thermosetting plastics. However, one of the major limitations of vegetable fibers is their poor adhesion with polymeric matrices that is often overcome by fibers chemical treatments or by using coupling agents within the matrix. Aiming to produce polypropylene (PP) bio composite laminates reinforced by hemp and flax fibers without additional process steps, this paper deals on the study of their production via the compression molding technique by using woven fabrics characterized by a large mesh size able to ensure a mechanical anchoring between fibers and matrix. Two different forming strategies that differ in the time required for reaching the maximum values of compression pressure and in the dwelling time at this value were used in order to investigate how the yarn impregnation was affected by them. To expand the applications of composites under investigation, tensile, bending, Izod, heat deflection temperature (HDT) and bearing tests were carried out. The results highlighted how the use of a waiting time before the reaching of the maximum moulding pressure allowed a better matrix flow within the vegetable yarn leading to higher mechanical performances.

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Mechanical Characterisation of Flax and Jute Textile-Reinforced Mortars

Cited by 43 publications

References 38 publications

Characterization of Textile-Reinforced Mortar: State of the Art and Detail-Level Modeling with a Free Open-Source Finite-Element Code

Characterization of Textile-Reinforced Mortar: State of the Art and Detail-Level Modeling with a Free Open-Source Finite-Element Code

Physical and mechanical characteristics of raw jute fibers, threads and diatons

Production of PP Composites Reinforced with Flax and Hemp Woven Mesh Fabrics via Compression Molding

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