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oa Civil Engineer in South Africa - A Newmark-type approach to the analysis of elastic beam buckling : technical paper

Volume 32, Issue 12
  • ISSN : 0009-7845

 

Abstract

The paper presents a straightforward yet versatile approach to the analysis of elastic beam buckling. The proposed method is essentially an adaptation and extension of that proposed by Newmark for the buckling of axially-loaded columns. This makes for ease of programming and facilitates the analysis of refined numerical models. The analytical procedure is demonstrated by means of model calculations, and its validity is attested by comparisons with the results of previously published buckling analyses.

Hierdie referaat bied aan 'n eenvoudige dog veelsydige toenadering tot die ontleding van die elastiese knik van balke. Die voorgestelde ontleding is hoofsaaklik 'n verwerking en uitbreiding van die metode wat deur Newmark vir die knik van kolomme met aksiale lasse ontwikkel is. Hierdie ontleding is dus maklik om te programmeer, wat die ontleding van verfynde numeriese modelle vergemaklik. Die ontledingsproses word gedemonstreer by wyse van modelberekenings en die geldigheid daarvan kan bepaal word wanneer die resultate vergelyk word met die resultate van knikontledings wat voorheen gepubliseer is.

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/content/civeng1/32/12/EJC25094
1990-12-01
2016-12-09

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