Search results for "seismic reliability."

showing 3 items of 3 documents

Krill herd algorithm-based neural network in structural seismic reliability evaluation

2018

ABSTRACTIn this research work, the relative displacement of the stories has been determined by means of a feedforward Artificial Neural Network (ANN) model, which employs one of the novel methods for the optimization of the artificial neural network weights, namely the krill herd algorithm. For the purpose of this work, the area, elasticity, and load parameters were the input parameters and the relative displacement of the stories was the output parameter. To assess the precision of the feedforward (FF) model optimized using the Krill Herd Optimization (FF-KH) algorithm, comparison of results has been performed relative to the results obtained by the linear regression model, the Genetic Alg…

Computer scienceGeneral Mathematics02 engineering and technologyBack propagation neural networkkrill herdLinear regression0202 electrical engineering electronic engineering information engineeringMathematics (all)Mechanics of MaterialGeneral Materials Scienceartificial krill herd algorithmCivil and Structural Engineeringregression modelArtificial neural networkMechanical EngineeringFeed forwardseismic reliability assessment of structureKrill herd algorithmRegression analysisArtificial intelligence techniqueKrill herd021001 nanoscience & nanotechnologySettore ICAR/09 - Tecnica Delle CostruzioniMechanics of Materials020201 artificial intelligence & image processingMaterials Science (all)0210 nano-technologyoptimizationRelative displacementAlgorithmartificial neural networkMechanics of Advanced Materials and Structures
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Traditional vs. sliding-joint masonry infilled frames: Seismic reliability and EAL

2020

Abstract In reinforced concrete (RC) multi-storey buildings, the important role of the seismic interaction of structural frames with masonry infills has been revealed by several earthquakes and investigated by many authors. Recently, several innovative infill solutions have been proposed to mitigate such interaction, which could result in widespread damage in both the masonry and the RC structure and sometimes jeopardize the building stability and the occupants’ safety. One solution consists in the partitioning of the masonry infill into several sub-panels, relatively sliding along specific joints. This paper investigates the seismic assessment of this technological solution in the framewor…

Performance based earthquake engineeringEarthquake engineeringInfilled framesSeismic reliabilitybusiness.industryFrame (networking)Probabilistic logicExpected annual lossExpected annual loss; Infilled frames; Performance based earthquake engineering; Seismic reliability; Sliding-joints infills02 engineering and technologyStructural engineeringMasonry021001 nanoscience & nanotechnology020303 mechanical engineering & transportsFragility0203 mechanical engineeringInfillJoint (building)Sliding-joints infills0210 nano-technologybusinessReliability (statistics)GeologyEarth-Surface ProcessesProcedia Structural Integrity
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Hardening structures isolated by double sliding devices: Seismic reliability-based design approach

2019

This study deals with seismic reliability-based design (SRBD) relationships in terms of behavior factors and displacement demands for hardening structures equipped with double friction pendu-lum system (DFPS) bearings. An equivalent 3dof system having a hardening post-yield slope is adopted to describe the superstructure behavior, whereas velocity-dependent laws are assumed to model the responses of the two surfaces of the DFPS. The yielding characteristics of the super-structures are defined for increasing behavior factors in compliance with the seismic hazard of L’Aquila site (Italy) and with NTC18 assuming a lifetime of 50 years. Considering several natural seismic records and building p…

Settore ICAR/09 - Tecnica Delle CostruzioniBehavior factor ductility demand friction pendulum bearing post-yield hardening stiffness seismic isolation seismic reliability.seismic isolationseismic reliability.Behavior factorductility demandpost-yield hardening stiffnessfriction pendulum bearingBehavior factor ductility demand friction pendulum bearing post-yield hardening stiffness seismic isolation seismic reliability
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