Sebastjan Bratina (Author), Miran Saje (Author), Igor Planinc (Author)

Abstract

A family of new beam finite elements for geometrically and materially non-linear static analysis of reinforced concrete planar frames is derived, in which strain measures are the only interpolated unknowns, and where the constitutive and equilibrium internal forces are equal at integration points. The strain-localization caused by the strain-softening at cross-sections is resolved by the introduction of a `short constant-strain element'. Comparisons between numerical and experimental results on planar frames in pre- and post-critical states show both good accuracy and computational efficiency of the present formulation. (C) 2004 Elsevier Ltd. All rights reserved.

Keywords

armirano-betonski okvirji;deformacijski končni elementi;mehčanje materiala;lokalizacija deformacij;Reissnerjeva teorija nosilcev;reinforced concrete frame;strain-based finite element;strain softening;localization;Reissners beam theory;

Data

Language: English
Year of publishing:
Typology: 1.01 - Original Scientific Article
Organization: UL FGG - Faculty of Civil and Geodetic Engineering
Publisher: Elsevier
UDC: 519.63:624.07
COBISS: 2476385 Link will open in a new window
ISSN: 0020-7683
Views: 1951
Downloads: 602
Average score: 0 (0 votes)
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Other data

Secondary language: English
Secondary keywords: armirano-betonski okvirji;deformacijski končni elementi;mehčanje materiala;lokalizacija deformacij;Reissnerjeva teorija nosilcev;
File type: application/pdf
Type (COBISS): Not categorized
Pages: str. 7181-7207
Volume: Letn. 41
Issue: ǂšt. ǂ24-25
Chronology: 2004
DOI: 10.1016/j.ijsolstr.2004.06.004
ID: 8312362