Piero Colajanni
YOU?
Author Swipe
View article: Comparison between Design Methods for Seismic Retrofit of Reinforced Concrete Frames Using Dissipative Bracing Systems
Comparison between Design Methods for Seismic Retrofit of Reinforced Concrete Frames Using Dissipative Bracing Systems Open
Braces equipped with dissipative devices are among the most widespread methods for the seismic strengthening of seismically prone reinforced concrete (RC) frames. It allows for high reductions in seismic vulnerability with inexpensive, qui…
View article: Comparison between Design Methods for Seismic Retrofit of R.C. Frames Using Dissipative Bracing Systems
Comparison between Design Methods for Seismic Retrofit of R.C. Frames Using Dissipative Bracing Systems Open
The use of braces equipped with dissipative devices for the seismic strengthening of seismically prone reinforced concrete frames is among the most widespread methods, as it allows for high reductions in seismic vulnerability with inexpens…
View article: A Review of Friction Dissipative Beam-to-Column Connections for the Seismic Design of MRFs
A Review of Friction Dissipative Beam-to-Column Connections for the Seismic Design of MRFs Open
The use of friction-based beam-to-column connections (BCCs) for earthquake-resistant moment-resistant frames (MRFs), aimed at eliminating damage to beam end sections due to the development of plastic hinges, has been prevalent since the ea…
View article: A Review of Friction Dissipative Beam to Column Connections for Seismic Design of MRFs
A Review of Friction Dissipative Beam to Column Connections for Seismic Design of MRFs Open
The use of friction-based Beam-to-Column Connections (BCC)s for earthquake-resistant Moment Resistant Frames (MRFs), aiming at eliminating damage to beam end sections due to the development of plastic hinges, has taken hold since the early…
View article: Seismic Vulnerability of Segmental Bridges with Drop-In Span by Pushover Analysis
Seismic Vulnerability of Segmental Bridges with Drop-In Span by Pushover Analysis Open
Insight into the application of pushover analysis to prestressed concrete segmental bridges built in the 1950s–1970s by cantilevering with medium-large span length is provided. Seismic assessment must be carried out considering the whole s…
View article: Seismic risk assessment of residential buildings by the Heuristic vulnerability model: influence of fragility curve models and inventory scale
Seismic risk assessment of residential buildings by the Heuristic vulnerability model: influence of fragility curve models and inventory scale Open
Typological-observational methods still constitute one of the most commonly applied tools for evaluation of the seismic risk and vulnerability of the existing building stock. Their efficiency is mainly related to the effectiveness of the p…
View article: Low-Damage Friction Connections in Hybrid Joints of Frames of Reinforced-Concrete Buildings
Low-Damage Friction Connections in Hybrid Joints of Frames of Reinforced-Concrete Buildings Open
Seismic-resilient buildings are increasingly designed following low-damage and free-from-damage design strategies that aim to protect the structure’s primary load-bearing systems under ultimate-level seismic loads. With this scope, damping…
View article: Vulnerability and Seismic Exposure of Residential Building Stock in the Historic Center of Alcamo
Vulnerability and Seismic Exposure of Residential Building Stock in the Historic Center of Alcamo Open
The influence of exposure evaluation methodology in the assessment of the seismic vulnerability of the residential building stock in the historic center of Alcamo, a town of 45,000 inhabitants in Western Sicily (Italy), hit by an earthquak…
View article: Experimental characterization of friction properties of materials for innovative beam-to-column dissipative connection for low-damage RC structures
Experimental characterization of friction properties of materials for innovative beam-to-column dissipative connection for low-damage RC structures Open
Low-damage design of structures in seismic-prone areas is becoming an efficient strategy to obtain "earthquake-proof" buildings, i.e. buildings that, even in the case of severe seismic actions, experience a low or negligible amount of dama…
View article: EXPERIMENTAL AND FINITE ELEMENT ANALYSIS OF THE CYCLIC BEHAVIOUR OF LINEAR DISSIPATIVE DEVICES
EXPERIMENTAL AND FINITE ELEMENT ANALYSIS OF THE CYCLIC BEHAVIOUR OF LINEAR DISSIPATIVE DEVICES Open
In the past years, low-damage design of structures is becoming an efficient approach by engineers and researchers in order to mitigate the structural damage to buildings during a seismic event.To this aim, one of the most popular strategie…
View article: Innovative connections for steel-concrete-trussed beams: a patented solution
Innovative connections for steel-concrete-trussed beams: a patented solution Open
The most recent design strategies welcome the adoption of innovative techniques for seismic energy input mitigation, aiming to achieve high dissipation capacity, prevent the structure from collapse and ensure the serviceability of the cons…
View article: A Review of Current Research on the Use of Geopolymer Recycled Aggregate Concrete for Structural Members
A Review of Current Research on the Use of Geopolymer Recycled Aggregate Concrete for Structural Members Open
Geopolymer cement (GPC) is a sustainable alternative to ordinary Portland cement (OPC) that considerably cuts the emission of carbon dioxide linked to the building of concrete structures. Over the last few decades, while a large number of …
View article: Influence of Cross-Section Shape and FRP Reinforcement Layout on Shear Capacity of Strengthened RC Beams
Influence of Cross-Section Shape and FRP Reinforcement Layout on Shear Capacity of Strengthened RC Beams Open
The evaluation of the shear capacity of an FRP-strengthened reinforced-concrete beam is challenging due to the complex interaction between different contributions provided by the concrete, steel stirrup and FRP reinforcement. The shape of …
View article: Steel based retrofitting interventions for existing masonry walls: a comparative numerical investigation
Steel based retrofitting interventions for existing masonry walls: a comparative numerical investigation Open
Masonry buildings constitute a significant portion of the architectural heritage all over the world, also in regions affected by a high seismic hazard. Since this constructional material is characterized by lack of tensile strength, as wel…
View article: INFLUENCE OF THE EFFECTIVENESS FACTORS IN ASSESSING THE SHEAR CAPACITY OF RC BEAMS STRENGTHENED WITH FRP
INFLUENCE OF THE EFFECTIVENESS FACTORS IN ASSESSING THE SHEAR CAPACITY OF RC BEAMS STRENGTHENED WITH FRP Open
Shear failure of RC beams strengthened with composite textiles is often affected by the different failure modes characterizing the FRP reinforcement. The most relevant analytical models for evaluating the shear capacity of RC beams strengt…
View article: Push-Over Analysis of RC Frame with Corroded Rebar
Push-Over Analysis of RC Frame with Corroded Rebar Open
As known, the Italian building heritage largely consists of reinforced concrete frames designed before the ‘80s, which are, in many cases, built in the absence of specific anti-seismic criteria. Moreover, many of them, today, are character…
View article: Ultimate Shear of RC Beams with Corroded Stirrups and Strengthened with FRP
Ultimate Shear of RC Beams with Corroded Stirrups and Strengthened with FRP Open
Transverse reinforcement plays a key role in the response behavior of reinforced concrete beams. Therefore, corrosion of steel stirrups may change the failure mode of elements from bending to shear, leading to a brittle and catastrophic cr…
View article: EFFICACY OF PBO-FRCM STRENGTHENING OF RC COLUMNS IN MRFS
EFFICACY OF PBO-FRCM STRENGTHENING OF RC COLUMNS IN MRFS Open
Innovative materials and techniques are widespread used for the strengthening and rehabilitation of existing structures.Recent researches have been developed on new fiber reinforced composites in which epoxy resin is replaced by inorganic …
View article: Review of Push-Out and Shear Response of Hybrid Steel-Trussed Concrete Beams
Review of Push-Out and Shear Response of Hybrid Steel-Trussed Concrete Beams Open
The hybrid steel trussed concrete beams examined in the present study are comprised of two principal components, i.e., a steel joist with inclined rebars, realized in industry, which is welded to a smooth steel plate and then embedded with…
View article: Non linear and linearized combination coefficients for modal pushover analysis
Non linear and linearized combination coefficients for modal pushover analysis Open
Current design practice and seismic codes tend to assess seismic demand of buildings by Non linear Static Analysis (NSA), based on the evaluation of the pushover curve. Earlier non-linear static analysis procedure estimate the response pea…