Reliability Analysis of Offshore Structures Using the Virtual Distortion Method
This paper describes a new and efficient methodology for structural reliability analysis applicable to offshore jacket structures. The proposed methodology uses the Virtual Distortion...
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,...
Global Damage Indices and Nonlinear Structural Response
Damage indices based on equivalent linear parameters have been proposed for the analysis of global seismic damage. The analysis of shaking table experiments and strong motion records has...
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...
Response Modification Factors for Buildings and Bridges
Response Modification Factors (RMF) are often used for the seismic design and the safety evaluation of buildings and bridges. The advantage of using RMF is to account for the nonlinear...
Seismic Response of Structures and Reliability Design
This paper develops a modified SRSS Method which allows a designer to select the reliability that he wishes to realize in each of the various elements of a given structure subjected to...
Iterative Subsystem Analysis for Seismic Monte Carlo Studies
Three iterative subsystem analysis techniques for Monte Carlo simulation of response time histories are examined. The three subsystems are designated primary, secondary, and interface,...
Reliability and Design Criteria for Secondary Systems
In seismic design and analysis of secondary systems housed in structures, the most widely used approximate method is the floor response spectra approach. In this paper, necessary modifications...
On Aseismic Hybrid Control System
One type of hybrid control system is proposed for protecting tall buildings subjected to strong earthquakes. The hybrid system consists of a base isolation system connected to either a...
Response of Sliding Base-Isolated Structures
Experimental and anlaytical results on the behavior of sliding isolated structures are presented. A mathematical model of friction of Teflon bearings is developed, calibrated, and verified....
Response Analysis of Crude Oil Transmission Systems
A preliminary analysis of the seismic response of continuous steel pipelines is presented. The Crude Oil Transmission System in the New Madrid Mo. area is choosen as an example. Assumptions...
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...
Analysis of Earthquake Response at a Site With Uncertain Properties
The problem of earthquake response of a soil deposit with uncertain properties is studied in the paper. Various analysis procedures for handling the dynamic response of an uncertain system...
Critical Seismic Excitation for Structures
Critical seismic excitations are defined as stationary random functions with a given variance, which maximize the response variance of a linear structural dynamic system. A method is presented...
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...
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...
Earthquake Energy Partitioning in Base Isolated and Dynamically Damped Structures
New earthquake energy spectra are proposed for practical design procedures using energy concepts. The spectra show integrated earthquake input energy of a unit mass with given natural...
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