Characterization of the impregnation by a cementitious matrix of five glass multi-filament yarns

Aljewifi, H.; Fiorio, Bruno; Gallias, Jean-Louis

doi:10.3166/ejece.14.529-544

Cited by 2 publications

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“…thermoset polymer or synthetic rubbers) to closely match irregular surfaces; and (ii) thermal decomposition of the polymeric coating/impregnation means at exposure temperatures larger than (roughly) 400°C, leading to matrix-to-textile bond deterioration as shown from pull-out tests run on post-heated/cooleddown textile reinforced concrete specimens [8]. Nevertheless, it should be mentioned that polymers are not the only option as materials for yarns" coating/impregnation; for example, cement slurries or other minerals can be used for this purpose, see [9,10].…”

Section: Introductionmentioning

confidence: 99%

Experimental Investigation of the Bond between Glass Textile Reinforced Mortar (GTRM) and Masonry Substrate: the Effect of Textile Impregnation

Askouni¹,

Papanicolaou²

2021

12th International Conference on Structural Analysis of Historical Constructions

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Textile Reinforced Mortar (TRM) is an appealing choice for the strengthening of existing structures and especially that of monumental character through application as external reinforcement. In the current study, the TRM-to-masonry bond was experimentally investigated focusing on the parameter of the yarns' treatment, that is none or impregnation with Styrene-Butadiene Rubber -SBR latex. For this purpose, both double-lap/double-prism (DL) and single-lap/single-prism (SL) shear bond test configurations have been employed. Specimens comprised strips of glass fiber textiles (either uncoated -UT or fully impregnated -IT) applied on wall prisms of stack-bonded smooth clay units through a cement-based mortar. TRM strips of DL specimens (with uncoated textile -UT or impregnated textile -IT) had a bond length (BL) equal to 150 mm. This BL was larger than the effective one, i.e. the minimum length needed for the attainment of the maximum TRM bond capacity (with UT). Due to the inadequacy of the DL set-up in capturing specimens' post-peak response, the SL set-up was also opted for. TRM strips of SL specimens (with UT or IT) had various BLs (100 mm, 150 mm and 200 mm) in order to study the combined effect of BL and textile impregnation. According to the results from both set-ups, the maximum bond load, F max of specimens with IT was increased by 40% in comparison with specimens with UT. Additionally, F max of specimens with IT increased with increasing BL.

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Section: Introductionmentioning

confidence: 99%

Experimental Investigation of the Bond between Glass Textile Reinforced Mortar (GTRM) and Masonry Substrate: the Effect of Textile Impregnation

Askouni¹,

Papanicolaou²

2021

12th International Conference on Structural Analysis of Historical Constructions

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Groups of Physical Parameters Influencing the Three Stages Pull-Out Behavior of Glass Multi-filament Yarns Embedded in Micro-concrete

Aljewifi

Fiorio

Gallias

2012

RILEM State of the Art Reports

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Characterization of the impregnation by a cementitious matrix of five glass multi-filament yarns

Abstract: RÉSUMÉ. Les bétons textiles utilisent comme renfort des fils multifilamentaires dont l'imprégnation par la MOTS-CLÉS : fil multifilamentaire, filament, imprégnation, béton textile, écoulement, porosité.

Cited by 2 publications

References 0 publications

Experimental Investigation of the Bond between Glass Textile Reinforced Mortar (GTRM) and Masonry Substrate: the Effect of Textile Impregnation

Experimental Investigation of the Bond between Glass Textile Reinforced Mortar (GTRM) and Masonry Substrate: the Effect of Textile Impregnation

Groups of Physical Parameters Influencing the Three Stages Pull-Out Behavior of Glass Multi-filament Yarns Embedded in Micro-concrete

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