F. Cannizzaro
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View article: Numerical Simulation of the Response of an Unreinforced Brick-Masonry Cross Vault Subjected to Seismic Loading
Numerical Simulation of the Response of an Unreinforced Brick-Masonry Cross Vault Subjected to Seismic Loading Open
This paper presents the numerical evaluation of the seismic response of a masonry cross vault using the Discrete Macro-Element Method (DMEM). The case study corresponded to a full-scale unstrengthened cross vault that was experimentally in…
View article: A nested genetic algorithm strategy for an optimal seismic design of frames
A nested genetic algorithm strategy for an optimal seismic design of frames Open
An innovative strategy for an optimal design of planar frames able to resist seismic excitations is proposed. The optimal design is performed considering the cross sections of beams and columns as design variables. The procedure is based o…
View article: Evaluation of the Response of a Masonry Cross Vault Subjected to Vertical Loading using the Discrete Macro-Element Method
Evaluation of the Response of a Masonry Cross Vault Subjected to Vertical Loading using the Discrete Macro-Element Method Open
This paper was focused on the application of an innovative modelling approach, known as the Discrete Macro-Element Method (DMEM), for simulating the experimental response of a ribbed masonry cross vault subjected to vertical loading.This n…
View article: Preservation of Abandoned Historic Centres—The Case of Poggioreale antica (Sicily)
Preservation of Abandoned Historic Centres—The Case of Poggioreale antica (Sicily) Open
Among the fourteen towns most damaged by the earthquake that struck western Sicily in 1968, Poggioreale was subjected to total relocation a few kilometres away, and to the transfer of its whole population. More than half a century later, t…
View article: Discrete Macro-Element structural assessment of a railway masonry arch bridge subjected to pier settlements
Discrete Macro-Element structural assessment of a railway masonry arch bridge subjected to pier settlements Open
Settlements in bridges can induce structural damage that can be limited and affect only the serviceability of the infrastructure or, in the worst scenario, can cause local or global failure. To assess the structural behaviour of masonry ar…
View article: The exact distributional model for free vibrations of shear-bending multi-cracked Timoshenko beams
The exact distributional model for free vibrations of shear-bending multi-cracked Timoshenko beams Open
The influence of shear deformation in the dynamics of beam-like problems is usually studied by means of a First order Shear Deformation Theory (FSDT) due to the original Timoshenko formulation. In comparison to higher order theories, the F…
View article: An Interdisciplinary Approach for the Geometric, Constructive, and Structural Assessment of Historical Masonry Domes with Application to the ‘Badia di Sant’Agata’ in Catania, Sicily
An Interdisciplinary Approach for the Geometric, Constructive, and Structural Assessment of Historical Masonry Domes with Application to the ‘Badia di Sant’Agata’ in Catania, Sicily Open
Masonry domes have always represented one of the most fascinating and daring architectural structures, with great symbolic relevance. However, their structural behaviour under environmental actions, such as earthquakes, has not yet been th…
View article: The dynamics of circular arches with multiple damage
The dynamics of circular arches with multiple damage Open
The governing equation of the dynamics of the planar inextensible Euler-Bernoulli arch with multiple damage is tackled in this study by employing the distributional approach. Precisely, the presence of impairments is modelled via cracks th…
View article: Explicit expressions of the eigenfrequencies of damaged frames
Explicit expressions of the eigenfrequencies of damaged frames Open
The presence of damage can strongly affect the residual carrying capacity and the dynamic properties of frame structures. The uncertainty in the position and intensity of damage implies the difficulty in adopting for practical purposes det…
View article: NUMERICAL INVESTIGATION ON THE SEISMIC RESPONSE OF A MASONRY CROSS VAULT BASED ON THE DISCRETE MACRO-ELEMENT METHOD
NUMERICAL INVESTIGATION ON THE SEISMIC RESPONSE OF A MASONRY CROSS VAULT BASED ON THE DISCRETE MACRO-ELEMENT METHOD Open
This paper focuses on the application of an innovative numerical approach to assessing the nonlinear dynamic response of an unstrengthened masonry cross vault subjected to shaking table testing performed within a blind prediction context.T…
View article: INVESTIGATING THE SEISMIC RESPONSE OF URM WALLS WITH IRREGULAR OPENING LAYOUT THROUGH DIFFERENT MODELING APPROACHES
INVESTIGATING THE SEISMIC RESPONSE OF URM WALLS WITH IRREGULAR OPENING LAYOUT THROUGH DIFFERENT MODELING APPROACHES Open
The façade and internal walls of unreinforced masonry (URM) buildings often present an irregular opening layout, due to architectural reasons or modifications to the structure, which make the expected seismic damage pattern less predictabl…
View article: Shaking Table Seismic Experimental Investigation of Lightweight Rigid Bodies
Shaking Table Seismic Experimental Investigation of Lightweight Rigid Bodies Open
This study presents the findings of an extensive shaking table experimental campaign conducted on nine free-standing wooden specimens, aiming at providing insights on the rigid body motion of free-standing objects. The specimens, which dif…
View article: A Discrete Macro Element Method for Modelling Ductile Steel Frames around the Openings of URM Buildings as Low Impact Retrofitting Strategy
A Discrete Macro Element Method for Modelling Ductile Steel Frames around the Openings of URM Buildings as Low Impact Retrofitting Strategy Open
This paper adopts the use of steel frames around existing openings as a low-impact seismic retrofitting strategy for unreinforced masonry structures (URM). Although elastic steel frames have been commonly adopted for strengthening masonry …
View article: Nonlinear modelling of the seismic response of masonry structures: Calibration strategies
Nonlinear modelling of the seismic response of masonry structures: Calibration strategies Open
In this paper, a simple and practitioners-friendly calibration strategy to consistently link target panel-scale mechanical properties (that can be found in national standards) to model material-scale mechanical properties is presented. Sim…
View article: Numerical Modelling of Masonry Arches Strengthened with SFRM
Numerical Modelling of Masonry Arches Strengthened with SFRM Open
The adoption of effective strengthening techniques of historical constructions is one of the most widely debated aspects in structural engineering. Within this topic, the application of steel fiber reinforced mortar (SFRM) has been recentl…
View article: NUMERICAL MODELLING OF MASONRY ARCHES STRENGTHENED WITH SFRM
NUMERICAL MODELLING OF MASONRY ARCHES STRENGTHENED WITH SFRM Open
The adoption of effective strengthening techniques of historical constructions is one of the most widely debated aspects in structural engineering. Within this topic, the application of steel fiber reinforced mortar (SFRM) has been recentl…
View article: NUMERICAL MODELLING OF MASONRY ARCHES STRENGTHENED WITH SFRM
NUMERICAL MODELLING OF MASONRY ARCHES STRENGTHENED WITH SFRM Open
The adoption of effective strengthening techniques of historical constructions is one of the most widely debated aspects in structural engineering. Within this topic, the application of steel fiber reinforced mortar (SFRM) has been recentl…
View article: A nested genetic algorithm strategy for the optimal plastic design of frames
A nested genetic algorithm strategy for the optimal plastic design of frames Open
An innovative strategy for the optimal design of planar frames able to resist to seismic excitations is here proposed. The procedure is based on genetic algorithms (GA) which are performed according to a nested structure suitable to be imp…
View article: Explicit dynamic response of damaged beams with application to uncertain and identification problems
Explicit dynamic response of damaged beams with application to uncertain and identification problems Open
The influence of damage in beam like structures is a problem widely analysed in the literature in view of its importance towards the assessment of the residual carrying capacity and the evaluation of the inevitable changes of the dynamic p…
View article: A Novel Procedure for the Assessment of the Seismic Performance of Frame Structures by Means of Limit Analysis
A Novel Procedure for the Assessment of the Seismic Performance of Frame Structures by Means of Limit Analysis Open
Limit analysis is a computationally efficient tool to assess the resistance and the failure mode of structures but does not provide any information on the displacement capacity, which is one of the concepts which most affects the seismic s…
View article: A Discrete Macro-Element Method (DMEM) for the nonlinear structural assessment of masonry arches
A Discrete Macro-Element Method (DMEM) for the nonlinear structural assessment of masonry arches Open
The structural response of masonry arches is strongly dominated by the arch geometry, the stone block dimensions and the interaction with backfill material or surrounding walls. Due to their intrinsic discontinuous nature, the nonlinear st…
View article: 3D Discrete Macro-Modelling Approach for Masonry Arch Bridges
3D Discrete Macro-Modelling Approach for Masonry Arch Bridges Open
Masonry multi-span arch bridges are historical structures still playing a key role in many transportation networks of numerous countries. Most of these bridges are several decades old and have been subjected to continuous dynamic loadings,…
View article: Assessment of the dynamic response of unreinforced masonry structures using a macroelement modeling approach
Assessment of the dynamic response of unreinforced masonry structures using a macroelement modeling approach Open
Summary The seismic performance of unreinforced masonry structures is strongly associated with the interaction between in‐plane and out‐of‐plane mechanisms. The seismic response of these structures has been thoroughly investigated by means…
View article: A procedure for the identification of multiple cracks on beams and frames by static measurements
A procedure for the identification of multiple cracks on beams and frames by static measurements Open
In this work, a model of the Euler–Bernoulli beam in presence of multiple‐concentrated open cracks, based on the adoption of a localized flexibility model, is adopted. The closed‐form solution in terms of transversal displacements due to s…
View article: A Discrete Macro-Element Method (DMEM) for the nonlinear structural assessment of masonry arches
A Discrete Macro-Element Method (DMEM) for the nonlinear structural assessment of masonry arches Open
The structural response of masonry arches is strongly dominated by the arch geometry, the stone block dimensions and the interaction with backfill material or surrounding walls. Due to their intrinsic discontinuous nature, the nonlinear st…