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Showing 1 to 20 of 58 for “"Seismic Risk"”.
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Aftershocks in engineering seismic risk analysis.
Massachusetts Institute of Technology. Dept. of Civil Engineering. Thesis. 1973. M.S.
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Seismic Risk Analysis for Mid-America Communities
… would be an M8 earthquake along the New Madrid seismic fault, and in the outside source zone (represented by Urbana) an on-site M6 earthquake; the dominant seismic risk source for buildings and population in communities in the small and the large source zones is the New Madrid seismic fault, and …
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A Line-Source Model for Seismic Risk Analysis
Made available in DSpace on 2014-12-13T19:31:26Z (GMT). No. of bitstreams: 1 7616118.pdf: 4627808 bytes, checksum: 505b24e9afab88c1f7fdbda08b9e9cdc (MD5) Previous issue date: 1976
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Regional seismic risk of railway system including derailment consequences
To evaluate the seismic risk of railway networks, a derailment consequence model and a regional approach are developed The consequence model estimates the casualty and fatality rates for passengers as a function of train speed and includes two sub-models. The first sub-model, which is for the case …
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A Methodology to Assess Seismic Risk for Populations of Unreinforced Masonry Buildings
… investigations have shown that due to total risk/loss concept, hazard-loss relationships that are unacceptably scattered for individual building loss calculations can be utilized to estimate risk/loss at regional level. This statement is proven to be valid especially for building populations …
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Numerical and experimental methods for seismic risk assessment of civil and industrial structures
Due to high seismic vulnerability and severity of possible failure consequences, petrochemical installations are often considered as “special risk” plants. Although tanks, pipes, elbows and bolted flanges have been a major concern in terms of seismic design, generally, they have not been analysed …
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Quantifying Seismic Risk for Portable Ground Support Equipment at Vandenberg Air Force Base
… develops a quantitative method to evaluate the seismic risk for portable GSE at Vandenberg Air Force Base. Using the latest probability data available from the USGS, risk thresholds are defined for portable GSE having the potential to cause a catastrophic event. Additionally, an example tool for …
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Seismic risk mitigation of "special risk" process plants through enhanced concepts and subplant hybrid simulation
This doctoral thesis focuses on the seismic risk mitigation of â special riskâ industrial facilities, like chemical, petrochemical and process industries. It is known that the impact of natural hazards, such as earthquakes, on this type of structures may cause significant accidents leading to …
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Analysis of Seismicity and Related Seismic Risk in Muslim Countries: Case Studies from Afghanistan and Pakistan
… Cultural biases provided predictions of risk perceptions and risk-taking preferences that were often more powerful than measures of knowledge and experience. In Muslim communities, perception of risk was influenced by the teachings of Islam and related rituals, traditions, and culture. …
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A Study of the Seismic Performance of Early Multi-Story Steel Frame Structures with Unreinforced Masonry Infill
… Recorded performance of this dual system during seismic events shows that the structures are able to resist a high level of lateral loads without collapse, primarily because a majority of damage is confined to the infill walls instead of the gravity carrying frame. To better understand expected …
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Monitoring, modeling, and hybrid simulation—an integrated Bayesian-based approach to high-fidelity fragility analysis
… 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 the course of …
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Predicting earthquake casualty rates accounting for community vulnerability
… due to earthquakes plays an important role in seismic risk management. A predicted casualty rate reflects the vulnerability of a community of interest. An accurate prediction of earthquake casualty rates may facilitate the response immediately after a devastating earthquake. Predictions of …
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Forecasting earthquake losses in port systems
… infrastructure, but are vulnerable to seismic hazards. Downtime and reduced throughput from seismic damage in ports results in significant business interruption losses for port stakeholders. Current risk management practices only focus on the effect of seismic hazards on individual port …
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Application of the technology neutral framework to sodium cooled fast reactors
… economics is proposed where systems of low risk-importance are identified as candidates for removal, simplification, or removal from safety grade. Seismic risk dominates these designs and is found to be a limiting factor when applying the TNF. The contributions of this thesis are the …
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Improved ground motion intensity measures for reliability-based demand analysis of structures
… Earthquake Engineering (PBEE), evaluating the seismic performance (or seismic risk) of a structure at a designed site has gained major attention, especially in the past decade. One of the objectives in PBEE is to quantify the seismic reliability of a structure (due to the future random …
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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 …
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Mathematical and Computational Modeling of Injection-induced Seismicity
… in Rangely, Colorado. More recently, induced seismicity has been reported worldwide in connection with many subsurface technologies, including wastewater disposal, natural gas storage, enhanced geothermal systems, and hydraulic fracturing. As a result, there has been a growing public concern …
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Quantification of ground motions by broadband simulations
In many procedures of seismic risk mitigation, ground motion simulations are needed to test systems or improve their effectiveness. For example they may be used to estimate the level of ground shaking caused by future earthquakes. Good physical models for ground motion simulation are also thought …
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Improving Earthquake Disaster Models with Post-Event Data: Insights from the 2015 Gorkha, Nepal Earthquake
… datasets can be used to inform models of seismic risk, vulnerability, and recovery processes. The first article presents an empirical analysis of scale issues in disaster vulnerability indices using a novel dataset of 750,000 households. This study finds that using aggregated household …
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