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Seismic Hazard Estimation in the Eastern U.S.
Probable seismic hazard is generally estimated considering five elements: 1) seismicity; 2) source radiation; 3) wave propagation (attenuation); 4) site response; and 5) ground failure....

Seismic Ground Motion and Attenuation Relationships
A key element in the assessment of seismic hazard is the estimation of how energy from a given earthquake is affected by crustal structure along the propagation path. There are recognized...

Stochastic Wave Models for Seismic Ground Motion
In order to describe the nature of ground motion arising from a propagating seismic wave, a stochastic wave model has been developed here and an efficient technique for digitally generating...

Seismic Ground Motions for Lifeline Analysis
The spatial variation of seismic ground motions necessary for lifeline analysis is determined from a stochastic source model combined with a substitute system representing the equivalent...

Near-Field Differential Ground Displacement
An analytical model for the development of differential ground motions in the vicinity of a vertical, strike-slip fault is presented. The model considers a uniform, kinematic source model,...

Variability of Parameters of Earthquake Ground Motion Recorded by Strong Motion Arrays
The spatial variation of scalar measures of earthquake ground motion, such as peak ground acceleration, strong motion duration, and root-mean-square amplitude, along with various spectral...

Stochastic Response of Ground and Its Implication for Spatial Variation of Earthquake Ground Motion
In order to account for the stochastic nature of free-field earthquake ground motions in the time and space domain, an engineering interpretation of frequency wave number representation...

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...

Seismic Response and Vulnerability of Water Delivery Systems
The response and vulnerability of straight segmented buried pipelines subject to seismic wave propagation are investigated in this paper. Seismic damage to buried pipelines is briefly...

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...

Identification of a Site-Specific Ground Motion Model
The power spectral density and envelope function of earthquake ground accelerations at a site of interest are determined with the aid of system identification based on information predicted...

Identification of Seismic Waves for a Nonstationary Load Model from Strong Motion Records
Strong motion records of 5 moderate to strong earthquakes with different source mechanisms are investigated by Evolutionary Spectra Analysis. Only earthquakes with strong motion stations...

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...

Stochastic Seismic Response Sensitivity of Lifeline Systems
The seismic response sensitivity of lifeline systems is examining using a probabilistic analysis based on random vibration theory. This analysis includes: (1) modelling the earthquake...

Reliability of Electric Power Transmission Systems in Seismically Active Metropolitan Tokyo: Part 2. Seismic Hazard Analysis
For studying the seismic reliability of a power transmission system of Metropolitan Tokyo, the seismic hazard analysis of Kanto district was performed based on a three dimensionally distributed...

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...

Some Insight in Autoregressive (AR) Spectral Modeling
The difficulties associated with the determination of reliable autoregressive (AR) approximations of the Pierson-Moskowitz and Davenport spectra are examined from the standpoint of developing...

Continuous Simulation of Gaussian Processes with Given Spectrum
A new algorithm, to be called MIMA (modulated interpolated moving average) allows stationary Gaussian processes with given spectral density to be simulated in continuous time, while providing...

 

 

 

 

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