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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....

Fuzzy Reliability Analysis for Structural Systems with Continuous States of Failure
When there exist continuous transition states from the completely safe states to the completely failed states for structural components, the whole structure would behaves in the same way....

Application of Physical Laws to Parameter Estimation for Probabilistic Models of Cumulative Damage
In this initial paper we will discuss the development of the application of physical laws to the modeling of cumulative damage and particular to crack growths. The basic assumptions due...

Damage Evolution in Reinforced Concrete Members Under Cyclic Loading
The paper presents a new damage indicator D, valid for reinforced concrete sections under cyclic loading. D_Q, based on sectionally absorbed energies,...

Failure Prediction for Non-Linear Structural Systems
A method is described that makes failure predictions for structures which are complex, nonlinear and expensive to evaluate on a computer. The method makes use of a non-linear response...

Reliability of Elasto-Plastic Structural Systems
This paper proposes a method for generating safety margins and failure mode equations for elasto-plastic structures where interaction of load effects is taken into account. Structural...

Adaptive Importance Sampling
An adaptive importance sampling scheme is presented which is based on the idea that as one samples, the knowledge of the failure domain increases. If one keeps modifying the importance...

Redundancy of Multistate Structural Systems
In the theory of structural reliability it is often assumed that the system and its members can have two performance or damage levels ie. they can either be functioning or failed. It is...

System Reliability of Semi-Submersible Platforms
This paper deals with the system reliability of semisubmersible platforms which are modelled as spatial frames and subjected to quasi-static extreme loads based on elasto-plastic strength...

A Structural System Reliability Analysis of Jacket Using an Improved Truss Model
An improved truss model for structural system reliability analysis of jacket structures is presented. The efficiency of the model makes it possible to carry out a large amount of ultimate...

Efficient Structural System Reliability Assessment by Monte-Carlo Methods
Monte Carlo methods can be used to good advantage since the required probability of failure is formulated as a multi-dimensional integral of the probability density function of the basic...

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...

On the Failure Probabilities of R/C Chimneys
A procedure to estimate failure probabilities of structural systems such as reinforced concrete (R/C) chimneys under severe wind loading which allows for considering realistic correlation...

Reliability of Redundant Structures Under Time Varying Loads
Time-variant system reliability methods under Poisson pulse load processes are presented. Direct simulations based on incremental truss analyses are also performed. Small displacement...

Load Path Dependence of Structural Systems
This paper presents the results of an investigation into the sensitivity of the behavior of framed structures to load path. Simple but realistic structural steel frames have been designed...

Design of Aircraft Wings Subjected to Gust Loads: A System Reliability Approach
A method for system reliability based design of aircraft wings is presented. A wing of a light commuter aircraft designed according to the FAA regulations is compared with one designed...

System Reliability Using Higher-Order Moments
A method is proposed for evaluating the reliability of structural systems using higher-order moments. The higher-order moment standardization technique (HOMST) is advanced for transforming...

Study of Redundancy in Near-Ideal Parallel Structural Systems
In this paper the reliability of parallel structural systems is studied in order to begin to understand and quantify the system factors influencing the overload capacity and the redundancy...

Reliability of Identical Brittle Parallel System
The failure path of a system can be investigated through the use of a failure graph, which is a directed graph of all possible sequences of element failures. This paper describes the development...

A New Formulation for Structural Reliability of Parallel Systems
Presented is a realistic method to calculate the reliability of a parallel structural system. The present theory considers that each element of a parallel system may have different reliability...

 

 

 

 

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