INELASTIC LATERAL BUCKLING OF BEAMS

Abstract

A METHOD IS PROPOSED FOR THE SOLUTION OF THE INELASTIC LATERAL BUCKLING PROBLEM OF AS-ROLLED WIDE-FLANGE BEAMS SUBJECTED TO EQUAL END MOMENTS. THE METHOD IS BASED ON THE DETERMINATION OF THE REDUCTION IN THE LATERAL AND THE TORSIONAL STIFFNESSES DUE TO YIELDING. THE EFFECT OF INITIAL RESIDUAL STRESSES IS INCLUDED IN THE CALCULATIONS. AN EXACT ANALYTICAL PROCEDURE IS WORKED OUT FOR SEVERAL EXAMPLES AT FIRST, AND THEN A SIMPLIFIED FORMULA IS PROPOSED WHICH REDUCES THE COMPUTATIONAL WORK CONSIDERABLY. CURRENTLY USED EMPIRICAL DESIGN PROCEDURES ARE CHECKED AGAINST THE RESULTS, AND A POSSIBLE MODIFICATION OF ONE OF THEM IS DISCUSSED

Document Details

Document Type
Technical Report
Publication Date
Oct 01, 1960
Accession Number
AD0248964

Entities

People

  • T.v. Galambos

Organizations

  • Lehigh University

Tags

DTIC Thesaurus Topics

  • Buckling
  • Mechanical Properties
  • Physical Properties
  • Residual Stress
  • Residuals
  • Stiffness
  • Stresses

Fields of Study

  • Engineering

Readers

  • Structural Dynamics.