Titlebook: Safety Factors and Reliability: Friends or Foes?; Isaac Elishakoff Book 2004 Springer Science+Business Media Dordrecht 2004 beam.modeling.

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Book 2004ributions by Japanese experts. .This volume will help to critically re-think the issue of safetyfactors, which can create a false feeling of security. Thedeterministic paradigm can be enhanced by incorporating probabilisticconcepts wisely where they are needed without treating all variablesas probab

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rtant contributions by Japanese experts. .This volume will help to critically re-think the issue of safetyfactors, which can create a false feeling of security. Thedeterministic paradigm can be enhanced by incorporating probabilisticconcepts wisely where they are needed without treating all variablesas probab978-90-481-6500-1978-1-4020-2131-2

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Reliability of Structures,This chapter represents a brief review of the concepts of the reliability of structures. Some closed form solutions, as well as approximate methods are elucidated. Different attempts to describe probabilistically the so-called “safety factor” are provided as well as and some instructive counter-examples are given.

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Safety Factor and Reliability: Both Actual Stress and Yield Stress Are Random,In this chapter both stress and strength are treated as random variables. Thus, this is the most general case within the context of random variables theory. The connection between the reliability and safety factors will be demonstrated for various possible distributions.

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Epilogue,The natural question arises: “Probabilistic methods have been around quite for some time. When will they be introduced into design?” In their careful review Roësset and Yao (2002) write:

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978-90-481-6500-1Springer Science+Business Media Dordrecht 2004

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Safety Factors and Reliability: Deterministic Actual Stress & Random Yield Stress,terministic quantity. In this report we investigate the reverse case, namely, when the actual stress is deterministic, while the yield stress is treated as a random variable. Various probability densities to model the actual behavior of the structural element in question are considered.