Reliability Analysis of Weldings Considering Defects
The welds generally represent the most critical part of large structural systems, i.e. offshore structures. Hence they affect significantly the structural reliability. A realistic model...
Potential Applicability of Mathematical Statistics in Stochastic Modelling of Failure Phenomena
Failure phenomena should be investigated clearly with a good understanding of engineering uncertainties associated with strength of the material as well as randomly applied load. In this...
Probabilistic Analysis of the Ghonem and Dore Data
A two-state Markov process model for fatigue crack growth is utilized with experimental fatigue crack growth data reported by H. Ghonem and S. Dore to study the effect of stress ratio...
Distribution of Variance of Fatigue Lives of Ferrous Metals by the Analysis of Fatigue Strength Database
The purpose of this study is to determine the distribution characteristics of variance of fatigue lives of carbon and alloy steels, especially from the viewpoint of their dependence on...
Fatigue Reliability of Steel Structures in the Presence of Residual Stresses
An extended model for the assessment of fatigue reliability of steel structures in the presence of residual stresses is developed. The model explicitly includes the uncertainties of the...
The Effects of Thermal Variation in Fracture Toughness
Environmental temperature changes produce cyclic and thermal stresses in cylindrical structures. The probability of failure defined as the chance that a crack, growing under the influence...
Adaptive Reliability-Based Inspection Strategies for Structures Subject to Fatigue
Metallic structures subject to substantial load-induced fatigue must be inspected from time to time and, possibly, repaired or even put out of service if the damage has reached critical...
Objective Comparison of Fatigue Crack Growth Laws
This paper presents objective criteria for choosing between different fatigue crack growth laws to represent a material's fatigue behavior based on a data set containing multiple...
Fatigue Crack Closure Under Random Loading
The goals of the research are to determine fatigue crack growth rates for stationary random amplitude loadings with arbitrary mean stress. Fatigue crack closure theory is applied to justify...
Time Variant Reliability Analysis Considering Corrosive Effects
In this study the influence of corrosion is determined as a function of the stress intensity factor, the frequency and the stress ratio of the loading process. The present study investigates...
The Estimation of Allowable Strength Based on Fatigue Reliability of Welded Part and Base Metal of Rail in Korea
In the allowable stress design, the safety of structures have been ensured by safety factor based on static strength. Under dynamic loading condition, the allowable stress based on allowable...
Two Principles for Data Based Probabilistic System Analysis
A major problem in probabilistic system analysis is to find a self-consistent method of inference about probabilities based on a random sample of system state variables. Such a method...
Reliability Analysis for Nonlinear Limit States
An analytical procedure, incorporating individual probability distributions of random variables, is proposed for generating moments of any arbitrary order for the nonlinear limit state...
On the Application of Conditional Integration in Structural Reliability Analysis
An accurate, and efficient computational procedure is proposed for structural reliability analysis. The suggested advanced Monte-Carlo simulation utilizes the concept of conditional integration...
Reliability of Plastic Slabs
In the paper it is shown how upper and lower bounds for the reliability of plastic slabs can be determined. For the fundamental case it is shown that optimal bounds of a deterministic...
Utility of Reliability Index for Structural Design
Relations between design results, such as configurations, and the reliability indices, in accordance with the Advanced First Order Second Moment (AFOSM) method, are numerically investigated...
Safety Levels of Reinforced Concrete Box Culverts for Installing Power Supply Cables
The authors have examined the applicability of reliability-based design to the existing reinforced concrete box culverts for installing power supply cables. The lowest safety index of...
Dynamic Reliability Analysis of 3D Frame Structures Using Random Fields Theory
A dynamic reliability analysis system of arbitrary shaped 3-dimensional frame structures is presented and its use is illustrated in bridge seismic safety assessment. The auto- and cross-spectral...
Reliability Study of Ferrocement Slabs Under Cyclic Loading
A simple probabilistic approach to fatigue strength studies for ferrocement slabs is presented: A preliminary experimental program to obtain the relevant statistics was conducted and the...
Safety Assessment for Debris Basins
Debris basins are engineering control structures used in locations where debris flows occur. Knowledge of the risk of failure as a function of important design variables can improve decision-making...
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