Gianmario Benzoni
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View article: Advanced seismic retrofitting with high-mass-ratio Tuned Mass Dampers
Advanced seismic retrofitting with high-mass-ratio Tuned Mass Dampers Open
Tuned Mass Dampers (TMDs) are traditionally employed in tall buildings to control displacements, typically featuring a low mass ratio. This study explores the potential of TMDs with significantly higher mass ratios for seismic retrofitting…
View article: An Experimental and Mechanical Study of a Two-Layer, Bioinspired Seismic Isolator for Multistory Buildings
An Experimental and Mechanical Study of a Two-Layer, Bioinspired Seismic Isolator for Multistory Buildings Open
This work illustrates a novel two-layer version of the sliding–stretching isolator recently proposed in the literature to protect buildings and infrastructure from seismic waves. Such a device has a biomimetic character and is formed by ri…
View article: EXPERIMENTAL TESTING OF INNOVATIVE, BIOMIMETIC SEISMIC METAISOLATORS
EXPERIMENTAL TESTING OF INNOVATIVE, BIOMIMETIC SEISMIC METAISOLATORS Open
This work experimentally investigates the mechanical response of a bio-inspired seismic isolator that replicates the mechanics of the human body locomotion.Such a research moves from a recent work dealing with a novel sliding-stretching se…
View article: Identification of structural schemes for masonry structures from recorded accelerations
Identification of structural schemes for masonry structures from recorded accelerations Open
A method for deriving equivalent schemes for interacting structures is presented. The procedure is based on the analysis in the frequency domain of recorded accelerations. Equivalence is obtained by adding a three mass system to the struct…
View article: Modal parameters for masonry structures through system identification techniques
Modal parameters for masonry structures through system identification techniques Open
An application of structural identification procedures to the analysis of recorded responses of masonry buildings subjected to seismic excitation is presented. Attention has been focused on the modelling of the restoring force behaviour of…
View article: A biomimetic sliding–stretching approach to seismic isolation
A biomimetic sliding–stretching approach to seismic isolation Open
There is growing demand in industrialized and developing countries to provide people and structures with effective earthquake protection. Here, we employ architectured material concepts and a bio-inspired approach to trail-blaze a new path…
View article: Innovative seismic isolation devices based on lattice materials: A review
Innovative seismic isolation devices based on lattice materials: A review Open
This paper reviews recent literature results on the mechanics of structures formed by layers of pentamode lattices alternating with stiffening plates, which can be effectively employed for the development of seismic isolation devices and v…
View article: Computational Modeling of the Seismic Response of Tensegrity Dissipative Devices Incorporating Shape Memory Alloys
Computational Modeling of the Seismic Response of Tensegrity Dissipative Devices Incorporating Shape Memory Alloys Open
Infrastructures and buildings must have sufficient protection for design level earthquake excitations while minimizing major damage to comply with existing seismic design criteria. This paper explores the computational modeling of a tenseg…
View article: On the Distribution in Height of Base Shear Forces in Linear Static Analysis of Base-Isolated Structures
On the Distribution in Height of Base Shear Forces in Linear Static Analysis of Base-Isolated Structures Open
Although base isolation is nowadays a well-established seismic-protection technique for both buildings and bridges, and several issues are still open and attract the interest of the research community. Among them, the formulation of comput…
View article: Mechanical response of tensegrity dissipative devices incorporating shape memory alloys
Mechanical response of tensegrity dissipative devices incorporating shape memory alloys Open
To optimize the seismic performance prescribed by modern structural codes, buildings and infrastructures must provide adequate safety for design level earthquake excitations, with limited levels of damage. This paper deals with the computa…
View article: Frictional Heating in Double Curved Surface Sliders and Its Effects on the Hysteretic Behavior: An Experimental Study
Frictional Heating in Double Curved Surface Sliders and Its Effects on the Hysteretic Behavior: An Experimental Study Open
The hysteretic behavior of friction isolators is affected by the variability of the friction coefficient caused by heating phenomena at the sliding interface. The aim of this paper is to investigate such heating phenomena through a series …
View article: On the mechanical response of multilayered pentamode lattices equipped with hinged and rigid nodes
On the mechanical response of multilayered pentamode lattices equipped with hinged and rigid nodes Open
Purpose This paper aims to review recent literature results on the mechanical response of confined pentamode structures behaving either in the stretching-dominated or the bending-dominated regimes. Design/methodology/approach The analyzed …
View article: NUMERICAL ASSESSMENT OF CONCAVE SLIDING ISOLATOR’S MECHANICAL BEHAVIOR UNDER BI-DIRECTIONAL MOTION
NUMERICAL ASSESSMENT OF CONCAVE SLIDING ISOLATOR’S MECHANICAL BEHAVIOR UNDER BI-DIRECTIONAL MOTION Open
In this contribution, some aspects of the mechanical behavior of friction pendulum (FP) isolators are investigated from a numerical point of view.Attention is focused on the distinctive features observed in FP bearings when subjected to mu…
View article: Structural Health Monitoring of Bridges Via Energy Harvesting Sensor Nodes
Structural Health Monitoring of Bridges Via Energy Harvesting Sensor Nodes Open
This paper deals with the application of novel sensing technologies to an existing Structural Health Monitoring (SHM) system for bridges. A vibration based SHM algorithm already in use to detect the structural performance degradation of a …
View article: Using Buckling-Restrained Braces on Long-Span Bridges. I: Full-Scale Testing and Design Implications
Using Buckling-Restrained Braces on Long-Span Bridges. I: Full-Scale Testing and Design Implications Open
Using the Vincent Thomas Bridge (VTB) as a feasibility case study, near-fault loading protocols for qualifying buckling-restrained braces (BRBs) for use on long-span bridges were developed and are presented in a companion paper. In this pa…
View article: Using Buckling-Restrained Braces on Long-Span Bridges. II: Feasibility and Development of a Near-Fault Loading Protocol
Using Buckling-Restrained Braces on Long-Span Bridges. II: Feasibility and Development of a Near-Fault Loading Protocol Open
Buckling-restrained braces (BRBs) are reliable energy-dissipating axial members that recently became popular in the seismic design of buildings. Using the Vincent Thomas Bridge (VTB) as a case study, this research investigates the feasibil…