Finite element analysis of the out - of - plane behavior of FRP strengthened masonry panels

Monaco, Alessia; Minafò, Giovanni; Cucchiara, Calogero; D’Anna, Jennifer; Mendola, Lidia La

doi:10.1016/j.compositesb.2016.10.016

Cited by 23 publications

(11 citation statements)

References 30 publications

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“…Masonry is vastly used in the construction of structural and non-structural walls. To date, commonly used methods to investigate the behavior of masonry wall panels are experimental method [1,2], the Yield Line Theory (YLT) method [3] and the Finite Element Analysis (FEA) method [4][5][6][7][8][9]. However, it was pointed out that there was no rational justification for the use of a yield line theory based on ductile behavior for a brittle material like masonry [10], while for the experimental method, it is expensive and time consuming.…”

Section: Introductionmentioning

confidence: 99%

A method for predicting failure load of masonry wall panel based on structural stress state

et al. 2020

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This paper proposed a method for predicting failure loads of masonry wall panels subject to uniformly distributed lateral loading based on a concept of structural stress state. Firstly, the characteristics of the structural stress state of masonry wall panels subjected to uniform distributed lateral loading were investigated through experimental results. Then, a new parameter was proposed to characterize the structural stress state. Next, the relation of the failure loads between a specified base wall panels and other wall panel was established using the proposed parameter. In this way, a method (called a ST method) based on a structural stress state parameter to predict the failure load of masonry wall panel from the base wall panel was established. The following case studies validated the ST method by comparing the predicted failure load with the experimental results, as well as those predicted from the existing yield line theory (YLT), the FEA method and the GSED-based cellular automata (CA) method. The ST method provided an innovative way of structural analysis on the basis of structural stress state.

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Section: Introductionmentioning

confidence: 99%

A method for predicting failure load of masonry wall panel based on structural stress state

et al. 2020

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“…A numerical model was established in [12] in order to evaluate the response of out-of-plane loaded calcarenite masonry walls strengthened with vertical CFRP strips applied on the substrate by means of epoxy resin. The element type used for meshing the FRP strips was a 4-node quadrilateral shell element (S4R) with reduced integration and large-strain formulation.…”

Section: Introductionmentioning

confidence: 99%

Seismic performance of a masonry house prototype retrofitted using frp strip: a numerical study

Habieb

Valente²

2020

Journal of Civil Engineering

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This study presents a series of finite element analyses on the prototype of masonry house retrofitted using FRP strips. The model of the masonry house refers to the prototype scaled to 1:3 tested in an experimental campaign. The non-linear behavior of masonry is modeled through the Concrete Damage Plasticity (CDP) model, while the FRP and adhesive are modeled as two separated isotropic solid materials with elastic-plastic behavior. A good agreement between experimental and numerical result is obtained, indicating the increase of bearing capacity of the reinforced masonry prototype.

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“…However, a limited body of work is available to date, addressing the numerical modeling of masonry walls reinforced with FRP strips [6,7]. On the one hand, finite element analyses have been proposed as a viable tool for the prediction of the load bearing capacity of FRP reinforced masonry walls [8]. However, finite element simulations are time expensive and require skilled users to correctly set the many material parameters required in order to provide reliable results.…”

Section: Introductionmentioning

confidence: 99%

NURBS-based kinematic limit analysis of FRP-reinforced masonry walls with out-of-plane loading

Chiozzi

Grillanda

Tralli

2019

Frattura Ed Integrità Strutturale

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A three-dimensional (3D) general upper-bound limit analysis procedure for the determination of the collapse load of out-of-plane loaded masonry walls with Fiber Reinforced Polymer (FRP) reinforcement strips is presented. The geometry of a given FRP reinforced masonry wall of arbitrary shape is represented by its Non-Uniform Rational B-Spline (NURBS) description in the three-dimensional Euclidean space. The NURBS parameter space is partitioned by means of a number of possible fracture lines and the original reinforced wall geometry is subdivided into an initial set of rigid elements, accordingly. An upper-bound limit analysis formulation, accounting for the main characteristics of both masonry material and FRP reinforcement by means of homogenization techniques, is deduced. Internal dissipation is allowed along element edges only and the effect of vertical loads and membrane stresses is considered as well. Numerical experiments show that a good estimate of the load bearing capacity is obtained provided that the initial arrangement of yield lines is adjusted by means of a suitable Genetic Algorithm (GA).

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Finite element analysis of the out - of - plane behavior of FRP strengthened masonry panels

Cited by 23 publications

References 30 publications

A method for predicting failure load of masonry wall panel based on structural stress state

A method for predicting failure load of masonry wall panel based on structural stress state

Seismic performance of a masonry house prototype retrofitted using frp strip: a numerical study

NURBS-based kinematic limit analysis of FRP-reinforced masonry walls with out-of-plane loading

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