Probabilistic Structure Design

Abstract

The paper proposes a method of structural design which evalutes the risk of failure. Whereas conventional design is based upon safety factors which help reduce risk, but do not evaluate it, the probabilistic approach estimates the actual level risk for the structural model. The method of the paper is applicable when major parameters follow the NormAL (Gaussian) distribution. Reliability is used as the measure of risk. For the purposes of the paper, reliability is defined as the probability that a structure withstands design loads for a specified time in a specified environment. A reliability of 0.99 indicates a one percent chance that the structure will fail. Basic examples are included to demonstrate the use of the method.

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Document Details

Document Type
Technical Report
Publication Date
May 01, 1970
Accession Number
AD0739021

Entities

People

  • Fred R. Dearborn

Organizations

  • United States Army Materiel Command

Tags

Communities of Interest

  • Human Systems
  • Space

DTIC Thesaurus Topics

  • Construction Materials
  • Data Science
  • Engineering
  • Engineers
  • Failure Mode And Effect Analysis
  • Information Science
  • Load Distribution
  • Materials
  • Normal Distribution
  • Probability Density Functions
  • Quality Control
  • Random Variables
  • Reliability
  • Statistical Analysis
  • Structural Loads
  • Test And Evaluation
  • United States

Fields of Study

  • Engineering

Readers

  • Explosive Engineering.
  • Software Engineering
  • Statistical inference.