Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
Results
Showing 1 to 12 of 12 for “"fragility analysis"”.
-
Monitoring, modeling, and hybrid simulation—an integrated Bayesian-based approach to high-fidelity fragility analysis
Fragility functions are one of the key technical ingredients in seismic risk assessment. The derivation of fragility functions has been extensively studied in the past; however, large uncertainties still exist, mainly due to limited collaboration between the interdependent components involved in …
-
Numerical Analysis on Seismic Response of Cantilever Retaining Wall Systems and Fragility Analysis on Motion Response
… backfill materials was studied. Fully dynamic analysis based on finite difference method was used to evaluate the performance of retaining walls during the earthquake. The analysis response was verified by the experimental study conducted on a retaining wall system with cohesive backfill …
-
Advancing characterization techniques for structure-property determination of in-situ lignocelluloses
… namely compressive-torsion dynamic mechanical analysis (DMA), deuterium quadrupolar nuclear magnetic resonance (2H NMR) and rheo-infrared spectroscopy. A novel parallel-plate compressive-torsion DMA protocol is developed to analyze very small solvent-plasticized biomass specimens with or …
-
Assessment of the Seismic Vulnerability of Wall Pier Supported Highway Bridges on Priority Emergency Routes in Southern Illinois
… 100 dynamic time-history analyses (required for fragility curve construction). Details concerning the analytical sub-models used for representing the various bridge components in these models are given, as is information concerning the structural limit states that were considered in the analyses. …
-
Seismic fragility of buildings damaged by past earthquakes
Fragility analysis plays an important role in seismic risk assessment. Current fragility models of buildings are mostly focusing on the as-built condition of the structure while ignoring the possibility of having multiple earthquakes during the service life of the structure. However, considering …
-
Seismic Vulnerability Assessment of As-Built and Retrofitted Multi-Frame Box-Girder Bridges
… Fernando and Loma Prieta. However, the seismic fragility analysis of multi-frame bridges has not been sufficiently studied as other bridge types, and accordingly it is the focus of this study. Fragility curves are conditional probability statements that give the likelihood that a structure will …
-
An integrated earthquake impact assessment system
… identification-based model updating, (vi) hybrid fragility analysis and (vii) impact assessment software. NISRAF has been built and demonstrated via applications to an actual test bed in the Los Angeles area. Based on an instrumented six-story steel moment resisting frame building and free-field …
-
Seismic Response and Analytical Fragility Functions for Curved Concrete Box-Girder Bridges
… (SRA) of lifeline systems. Thus, seismic fragility curves are essential input to SRA to estimate damage to highway bridges and consequently to the network. The literature review shows shortcomings in fragility studies on the effect of horizontal curvature of bridges, specifically concrete …
-
Seismic experimental analyses and surrogate models of multi-component systems in special-risk industrial facilities
… has been devoted to setting computational fragility frameworks for special-risk industrial components and structures. However, within a PBEE perspective, studies have clearly remarked: i) a lack of definition of performance objectives for NSCs; ii) the need for fully comprehensive testing …
-
Numerical and experimental methods for seismic risk assessment of civil and industrial structures
… the case study of a probabilistic seismic demand analysis (PSDA) for a Refrigerated liquefied gas (RLG) subplant is presented. As a matter of fact, RLG terminals that are part of strategic facilities must be able to withstand extreme earthquakes. In detail, a liquefied natural gas (LNG, ethylene) …
-
Performance assessment of simple blast wall systems
To view the abstract, please see the full text of the document.
-
Dynamic behavior of operational wind turbines considering aerodynamic and seismic load interaction
… implemented code is used to evaluate the fragility of wind turbines under seismic and wind excitation. This is obtained by the assessment of nonlinear dynamic behavior of a 5-MW NREL wind turbine considering different earthquake and wind intensities using the finite element model. …