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Bayesian Reliability Analysis of Structures with Multiple Components
This study develops a method of Bayesian reliability analysis to establish an optimal inspection schedule of structures with multiple components using the data collected during inservice...

Bridge Live Load Models
This paper describes the analysis of weigh-in-motion data and the conclusions drawn. Statistical distributions of the effects induced in typical bridges due to single vehicle events are...

Reliability-Based Bridge Life Assessment
Fatigue considerations have usually entered design codes as a secondary consideration and often under the guise of serviceability limits. Most engineers felt if the maximum stress ranges...

Redundancy Evaluation of Steel Girder Bridges
The focus of this paper is on the use of redundancy measures in the evaluation of bridge systems. The emphasis is on the definition of system redundancy measures suitable for use by bridge...

Damage Assessment of Bridge Structures by System Identification
A method for the damage estimation of bridge structures under seismic ground excitation is developed based on system identification approach. The dynamic behavior of a damaged structure...

Seismic Reliability Analysis for Elevated Pressure Vessels
This paper presents two approaches for assessing the seismic reliability of elevated pressure vessels. A discretized mass mechanical system is used to model the dynamic effects of liquid...

Recent Seismic Risk Studies of Nuclear Power Plants: An Overview
Seismic probabilistic risk assessments (PRA) are conducted to estimate the frequencies of occurrence of severe core damage, serious radiological releases, and consequences in terms of...

Effect of the Uncertainty About the Fatigue Limit on Highway Bridge Reliability
Current fatigue design specifications for welded steel highway bridges subjected to high traffic volumes require the design to be capable of resisting high-cycle, long life conditions...

Probability Based Bridge Safety Analysis
Traditional methods of quantifying safety of highway bridges have been associated with deterministic analysis. However, ascertaining the true measure of safety, or reliability, should...

Reliability and Redundancy Assessment of Prestressed Truss Bridges
Methods for the assessment of the reliability and redundancy of post-tensioned trusses are suggested. The effect of tendon layout on the reliability and redundancy of post-tensioned trusses...

Design Method Satisfying Safety Requirements for Various Limit-States Based on Information Integration Method
This paper discusses the applicability of the information integration method to optimum design of structures and the advantages of the above optimum structural design method over other...

On the Dynamic Response of Bridges by Oscillating Vehicles on Rough Surfaces
The spectral theory is applied to the response of bridges under a Poissonian stream of vehicles moving with constant speed over the bridge. The vehicles are modeled as oscillators with...

Approximate Reliability Analysis of Highway Bridges Under the Action of Random Vehicles?In Relation to an Interchange Bridge of China
In relation to an interchange curved bridge of China, a simple method by FSE for analysis of stochastic vibration has been proposed. The random vibration characteristics of bridge structures...

Reliability of a Suspension Bridge Under Traffic Flow
The problem of reliability of a single-span spatial suspension bridge under random highway traffic is considered. The displacements of the bridge are described by coupled, non-linear,...

Research on Structural System Reliability of Cable-Stayed P.C. Railway Bridge Across Hong-Shui River
This paper analyses the structural system reliability of cable-stayed bridge by using the modified all failure modes. The concept of the structural subsystem is used to help the selection...

Vibration Tests and Damage Detection of P/C Bridges
A three-span countryside P/C bridge has been found to have excessive deflections in two of the three spans. It is reported that the prestresses in tendons of two girders of different spans...

Advanced Reliability Methods for Probabilistic
The probabilistic methods employed in the NASA/SWRI probabilistic structural analysis program (PSAM) are summarized. An advanced reliability method capable of treating correlated non-normal...

The Nessus Software System for Probabilistic Structural Analysis
The Probabilistic Structural Analysis Methods (PSAM) project developed at SwRI integrates state-of-the-art structural analysis techniques with probability theory for the design and analysis...

Probabilistic Analysis of Structures Composed of Path Dependent Materials
A procedure is outlined for calculating the time-evolving CDF's (cumulative probability distribution functions) of structural response variables for cases in which the structure's...

Verification of NESSUS Code on Space Propulsion Components
Application of probabilistic finite element method to the structural analysis of typical space propulsion components such as turbine blades and high pressure ducts is reported. The study...

 

 

 

 

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