Browsing by Subject "ICAR/09 TECNICA DELLE COSTRUZIONI"
Now showing items 1-20 of 29
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A conceptual model to design recycled aggregate concrete for structural applications
(Universita degli studi di Salerno, 2015-05-05)This thesis proposes a conceptual formulation for controlling the resulting mechanical properties of Recycled Aggregate Concretes (RACs) via generalised mix-design rules intended at covering the specific features of ... -
Analisi dell’affidabilità sismica delle strutture isolate mediante dispositivi Friction Pendulum Bearings System
(Universita degli studi di Salerno, 2016-05-24)The thesis investigates the seismic reliability of isolated structures with FPBs (Friction Pendulum Bearings) towards failure due to high vertical component excitation and friction coefficient variations. In the end, it ... -
Analisi non lineare di pareti murarie sotto azioni orizzontali : modellazione a telaio equivalente
(Universita degli studi di Salerno, 2011-06-06)Lo spiccato comportamento inelastico delle strutture in muratura rende inapplicabile l’utilizzo di modelli statici lineari, e per tale motivo, sia per scopi accademici che eminentemente pratici, la comunità scientifica ... -
Analisi teorico-sperimentale di collegamenti dissipativi a parziale ripristino di resistenza in strutture intelaiate in acciaio
(Universita degli studi di Salerno, 2011-06-06)Before seismic events of Northridge (Los Angeles, 17 January 1994) and Hyogoken-Nanbu (Kobe, 17 January 1995) MRFs were supposed to be the most reliable seismic resistant systems due to the high number of dissipative zones ... -
Capacity models for beam-to-column joints in RC frames under seismic actions
(Universita degli studi di Salerno, 2011-05-30)Le strutture in cemento armato realizzate intorno aglia anni '60 e '70 rappresentano, ad oggi, la maggior parte del patrimonio edilizio esistente in Italia. Inoltre, esse sono spesso strutture strategiche ai fini della ... -
Caratterizzazione del comportamento statico e dinamico delle strutture monumentali
(Universita degli studi di Salerno, 2018-06-06)The study of the static and dynamic behaviour of the architectural heritage of historical-artistic value made up of rigid stone blocks is a topic of particular interest in the field of modern Seismic Engineering. Such ... -
Flax TRM composite systems for strengthening of masonry: from the material identification to the structural behaviour
(Universita degli studi di Salerno, 2020-04-14)Textile Reinforced Mortar (TRM) composites represents nowadays an innovative and efficient technique for strengthening of masonry structural elements. In recent years, the use of plant fibres within the composite, instead ... -
Influenza dei criteri di progettazione sull'affidabilità sismica dei controventi concentrici
(Universita degli studi di Salerno, 2010-05-24)Nell'ottica del Performance Based Seismic Design verifica e progettazione di strutture in zona sismica vanno condotte definendo una serie di stati corrispondenti a situazioni di malfunzionamento e controllando che le ... -
Influenza del comportamento ciclico dei collegamenti trave-colonna sulla risposta sismica di telai in acciaio regolari o in presenza di "set-backs"
(Universita degli studi di Salerno, 2015-04-28)In accordo con i criteri della progettazione sismica tradizionale, la dissipazione dell’energia sismica in ingresso nei telai sismo-resistenti avviene in alcune zone degli elementi strutturali che vengono impegnate in campo ... -
Innovative probabilistic methodologies to assess seismic vulnerability of simple supported girder bridges
(Universita degli studi di Salerno, 2019-04-15)Since the end of the eighties, numerous studies have been conducted analysing the relationship between the infrastructures and the economic development of the territory, highlighting its close correlation. In the last ... -
Integrated structural and thermal upgrading of Existing masonry walls using Textile-strengthened mortars with jute fibers: A cross-scale experimental study
(Universita degli studi di Salerno, 2023-03-29)In last few years, scientist and researchers are working to find the best solution for integrated reinforcement techniques to achieve integrated (Structural and Thermal) upgrading or retrofitting of masonry walls using ... -
L'impiego dei dispositivi viscosi e viscoelastici nella progettazione sismica di sistemi strutturali
(Universita degli studi di Salerno, 2012-09-06)Le tecniche di controllo passivo della risposta dinamica dei sistemi strutturali sono generalmente impiegate nell'ambito di metodologie di miglioramento o adeguamento sismico di strutture esistenti. Nella totalità dei casi, ... -
Local buckling of aluminium members in the elastic-plastic range
(Universita degli studi di Salerno, 2021-03-01)The ultimate behaviour of aluminium members is strongly affected by the interactive local buckling in the elastic-plastic range occurring in the element plates constituting the cross-sections and by the strain-hardening ... -
Meso-mechanical analysis of steel fiber reinforced cementitious composites
(Universita degli studi di Salerno, 2013-06-21)The mechanical behavior of cement-based materials is greatly affected by crack propagation under general stress states. The presence of one or more dominant cracks in structural members modifies its response, possibly ... -
On the mechanical modeling and the optimal design of tensegrity structures
(Universita degli studi di Salerno, 2015-04-22)In this thesis, we investigate the use of the most fundamental elements; cables for tension and bars for compression, in the search for the most efficient bridges. Stable arrangements of these elements are called tensegrity ... -
Optimal seismic retrofitting of existing RC frames through soft-computing approaches
(Universita degli studi di Salerno, 2018-05-29)Ph.D. Thesis proposes a Soft-Computing approach capable of supporting the engineer judgement in the selection and design of the cheapest solution for seismic retrofitting of existing RC framed structure. Chapter 1 points ... -
Progettazione a meccanismo controllato di telai in C.A.
(Universita degli studi di Salerno, 2017-05-29)The Theory oj Plastic Mechanism Control (TPMC), based on the application oj the kinematic theorem oj the plastic collapse, has been developed in the nineties with rejerence to moment-resisting jrames (MRFs) and progressively ... -
Pseudo dynamic tests and numerical analysis of free from damage multistorey steel buildings with innovative connections
(Universita degli studi di Salerno, 2019-04-17)One of the most widespread structural systems is represented by Moment Resisting Frames (MRFs). resistant seismic frames. This structural system is made up of frames capable of resisting seismic actions through predominantly ... -
Robustness and seismic behaviour of structures equipped with traditional and innovative beam-to-column connections
(Universita degli studi di Salerno, 2017-05-29)Moment Resisting Frames are structures that withstand seismic actions by the bending of girders, columns and connections. Their main source of stiffness and lateral strength is given by the flexural resistance of members ... -
Seismic behaviour of steel structures equipped with traditional and innovative beam-to-column connections
(Universita degli studi di Salerno, 2022-07-26)One of the most common ways to conceive seismic-resistant steel structures is by adopting the Moment Resisting Frames (MRFs). This approach ensures that the building withstands the seismic event through the development ...