Glass fabric reinforced cementitious matrix: Tensile properties and bond performance on masonry substrate

Leone, Marianovella; Aiello, Maria Antonietta; Balsamo, Alberto; Carozzi, Francesca Giulia; Ceroni, Francesca; Corradi, Marco; Gams, Matija; Garbin, Enrico; Gattesco, Natalino; Krajewski, Piotr; Mazzotti, Claudio; Oliveira, Daniel V.; Papanicolaou, Catherine; Ranocchiai, Giovanna; Roscini, Francesca; Saenger, Dorothea

doi:10.1016/j.compositesb.2017.06.028

Cited by 212 publications

(117 citation statements)

References 60 publications

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“…. ), the RILEM Technical Committee 250-CSM ''Composites for Sustainable Strengthening of Masonry" recently decided to deal with this specific topic, involving also, among the different activities, 15 laboratories for testing 8 GFRP (Glass Fiber-Reinforced Polymers) grid products coupled with different lime or cement matrices [13]. In fact, among the primary aims of the Committee, there is the identification and promotion of standardized experimental procedures for tensile and debonding tests on FRMs and the dissemination of proper application procedures for mortar-based composite materials on existing masonry structures.…”

Section: Introductionmentioning

confidence: 99%

Characterization tests of GFRM coating as a strengthening technique for masonry buildings

Gattesco

Boem

2017

Composite Structures

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Fiber Reinforced Mortars (FRM) represents a promising technique for the in-plane and out-of-plane reinforcement of existing masonry buildings, coupling effectiveness with compatibility needs. The paper focuses on a technique consisting in the application on the masonry surface of a 30 mm thick mortar coating with Glass Fiber-Reinforced Polymers (GFRP) meshes embedded, presenting and discussing the results of several characterization tests (pull-out, lap-splice, bond and tensile tests) performed so to investigate on the tensile properties and bond performances of the strengthening system, useful for correct design procedures and suitable also for numerical modeling

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Section: Introductionmentioning

confidence: 99%

Characterization tests of GFRM coating as a strengthening technique for masonry buildings

Gattesco

Boem

2017

Composite Structures

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“…These include direct tensile tests on TRM composites (and to some extent flexural tests), see e.g. [2][3][4]6], TRM-to-substrate bond behaviour, see e.g. [2][3][4]6], diagonal compression tests on TRM-strengthened masonry, see e.g.…”

Section: Discussion On Experimental Testing Activitiesmentioning

confidence: 99%

“…[2][3][4]6], TRM-to-substrate bond behaviour, see e.g. [2][3][4]6], diagonal compression tests on TRM-strengthened masonry, see e.g. [15,16], or static cyclic (and in very few cases dynamic tests) on TRM-strengthened masonry structures, see e.g.…”

Section: Discussion On Experimental Testing Activitiesmentioning

confidence: 99%

“…Application of textile reinforced mortars (TRMs) for externally bonded reinforcement of existing concrete and masonry structures has recently received a growing attention. The better physical, mechanical and hygrothermal compatibility of TRMs with masonry and concrete, compared to that of conventional fibre reinforced polymers [1][2][3][4] has made these composites the preferred choice for strengthening of those structures.…”

Section: Introductionmentioning

confidence: 99%

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Mechanics and durability of lime-based textile reinforced mortars

Ghiassi

2020

RILEM Tech Lett

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Application of lime-based textile-reinforced mortars (TRMs) for strengthening of masonry structures have received a growing attention in recent years. An extensive effort has been devoted to understanding of the performance of these composites and their effectiveness in improving the seismic safety of existing masonry structures. Nevertheless, several aspects regarding the durability and mechanics of these composites still remain unknown. This letter is an effort on highlighting those aspects considering both experimental and numerical modelling approaches.

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“…These effects are often deleterious on the ductility of strengthened elements [11]. Furthermore, for masonry heritage value, it can be important to safeguard the masonry using a composite more compatible with the mechanical properties of the substrate [19].…”

Section: Introductionmentioning

confidence: 99%

Ductility Capacity Assessment of Masonry Members Strengthened With Composites

Ramaglia¹,

Fabbrocino²,

Lignola³

et al. 2019

Proceedings of the 7th International Conference on Computational Methods in Structural Dynamics and Earthquake Engineering (COM

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Models able to assess the effects of composite strengthening on masonry structures are worthy of further developments. This is also evident in modern design codes and guidelines where, for the masonry, there is lack of well-established approaches. In fact, most of the strengthening applications on masonry structures are designed based on suggestions by the manufacturers, missing strict and clear calculations. Such an approach leads, very often, to the execution of large and therefore economically demanding strengthening systems, also not encouraging their diffusion. Furthermore, the use of excessive strengthening often involves an excessive, and above all involuntary, reduction of ductility capacity. It needs also further investigation the impact of peculiar behaviors of composites (e.g. up to trilinear stress strain behavior for FRCM) on the flexural response of masonry. In this paper the behavior of strengthened masonry members is analyzed accounting for the variability of mechanical characteristics of both masonry and the strengthening systems. The behavior of the members is analyzed in terms of the moment-curvature relationships. This approach allows to evaluate both the flexural capacity and the ductility capacity of the strengthened masonry sections. In fact, the ductility is a key aspect in the retrofit of masonry structures. Finally, the process of adimensionalization, allows to extend the results to any case, providing a useful tool not only for verification but also for the design of interventions.

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Glass fabric reinforced cementitious matrix: Tensile properties and bond performance on masonry substrate

Cited by 212 publications

References 60 publications

Characterization tests of GFRM coating as a strengthening technique for masonry buildings

Characterization tests of GFRM coating as a strengthening technique for masonry buildings

Mechanics and durability of lime-based textile reinforced mortars

Ductility Capacity Assessment of Masonry Members Strengthened With Composites

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