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Collision Risk Analysis Fixed Platform and Semisubmersible
This paper summarizes the North Sea experience pertaining to mooring line failures of conventional 8 and 12 anchor line systems. Mooring system calculations, experience and test results...

Probabilistic Risk Analysis of TLP Tether Fracture
A stochastic model for fatigue crack growth and final fracture of TLP tethers is formulated. Model updating through in-service inspection is included. The integrity of the cracked tether...

Largest and Characteristic Earthquakes in the U.S. East of the Rocky Mountains
A new statistical procedure is proposed for the estimation of maximum earthquake magnitude M in intraplate regions. Starting from a historical catalog of events and a seismotectonic classification...

Simple Damage Predictors for Large-Scale Seismic Risk Mapping
Although it is now recognized that there is a risk of moderate seismic activity in the Eastern United States, many existing buildings were not designed for earthquake forces. To evaluate...

Seismic Fragility Analysis of Shear Wall Structures
This paper presents an analytical method to generate seismic fragility curves for shear wall structures. Uncertainties in earthquake motion and structure are quantified by evaluating uncertainties...

Multi-Hazard Risk Assessment of an Offshore Structure
This paper develops and illustrates a methodology for multi-hazard modal risk assessment. The case study involves assessing risk to an offshore structure in a load environment consisting...

Lifeline Systems Reliability, Serviceability and Reconstruction
In this paper we present a brief outline of methods and results for characterizing the reliability and serviceability of oil pipeline systems. Further, we present an outline of methods...

A Stochastic Clustering Model for the Occurrence of Large Earthquakes Along the Central Peruvian Margin
A stochastic model of a process of cluster centers and subsidiary cluster member processes is presented for the occurrence of large earthquakes along the Central Peruvian Margin. In the...

Earthquake Clustering in the Kanto District
Earthquakes in the Kanto district (Japan) between January 1983 and March 1987 are analysed for the identification of independent main shocks and for the hierarchical clustering of secondary...

Earthquake Ground Motions Consistent with Probabilistic Seismic Hazard Analysis
The present study deals with the new methodology for simulation of earthquake ground motion for the probabilistic risk assessment (PRA) of structures. Peak ground acceleration, acceleration...

Seismic Risk Analysis Based on Spectral Characteristics of Ground Motions
This paper presents two different approaches to construct the seismic response spectrum from a probabilistic point of view. One is the uniform hazard response spectrum, the other is the...

A Seismic PRA Procedure in Japan and its Application to a Building Perforance Safety Estimation: Part 1. Seismic Hazard Analysis
A method for seismic hazard evaluation which deals with response spectrum information is presented. A local city near Tokyo facing the Pacific Ocean is selected for the case study. It...

A Seismic PRA Procedure in Japan and its Application to a Building Performance Safety Estimation: Part 2. Fragility Analysis
In this paper, a practical seismic fragility evaluation method for structure and equipment systems is proposed. Structural and equipment failures are considered here, reflecting detailed...

A Seismic PRA Procedure in Japan and its Application to a Building Performance Safety Estimation: Part 3. Estimation of Building and Equipment Performance Safety
This paper presents an application of a seismic PRA procedure to an apartment building, which also contains an electric substation for the surrounding area. In this procedure, as presented...

Seismic Vulnerability Data and Optimum Allocation of Resources for Risk Reduction
The problem of reducing the seismic risk of existing buildings is tackled, and the most convenient strategies to be followed in planning upgrading interventions are discussed. After summarizing...

Reconciliation Between Probabilistic and Deterministic Seismic Margin Analysis Methods
This paper presents a procedure for reconciling the results from the probabilistic and deterministic methods for calculating a high confidence of a low probability of failure (HCLPF) capacity...

Aseismic Reliability of a Strengthened R.C. Single Story Industrial Building
Based on results of seismic hazard analysis for a considered site, seismic reliability of a strengthened RC single-story industrial building against collapse has been evaluated. Inelastic...

Safety Assessment Methodology for Construction Operations
There are many factors that affect the safety of construction operations which might lead to failures and accidents. The factors are associated with random, human-based or system uncertainty....

Assessment of Safety of Existing Buildings Using Fuzzy Set Theory
In this paper, an approach to estimate structural safety which may serve as a bridge between the theoretical and empirical approaches is explored. The new method combines subjective judgment...

Risk Assessment of Utility Network Systems Using Expert Opinions
This paper describes the application of an expert opinion and survey approach to the problem identification and risk assessment of engineering systems. The method of expert opinion for...

 

 

 

 

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