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A Fast Incremental-Iterative Procedure for Ultimate Strength Analysis of Composite Cross-Sections with Arbitrary Shape

Autor(en):


Medium: Tagungsbeitrag
Sprache(n): Englisch
Tagung: 35th Annual Symposium of IABSE / 52nd Annual Symposium of IASS / 6th International Conference on Space Structures: Taller, Longer, Lighter - Meeting growing demand with limited resources, London, United Kingdom, September 2011
Veröffentlicht in:
Jahr: 2011
Abstrakt:

This paper presents a new computer method for the rapid design and ultimate strength capacity evaluation of composite steel-concrete cross-sections with arbitrary shape. The proposed approach has been found to be very stable for all cases examined herein even when the section is close to the state of pure compression or tension, and it is not sensitive to the initial or starting values, to how the origin of the reference loading axes is chosen and to the strain softening exhibited by concrete in compression. A computer program with full graphical interface was developed, aimed at obtaining the ultimate strength and reinforcement required by composite cross-sections subjected to combined biaxial bending and axial load. In order to illustrate the proposed method and its accuracy and efficiency, this program was used to study several representative examples, which have been studied previously by other researchers using independent fiber element solutions. The examples run and the comparisons made prove the effectiveness and time saving of the proposed method of analysis.

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  • Reference-ID
    10065288
  • Veröffentlicht am:
    03.10.2011
  • Geändert am:
    05.07.2021
 
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