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Title: A simplified model of catenary action in reinforced concrete frames under axially restrained conditions
Authors: Pham, Anh Tuan
Tan, Kang Hai
Keywords: Structural Analysis
DRNTU::Engineering::Civil engineering
Load Transfer
Issue Date: 2017
Source: Pham, A. T., & Tan, K. H. (2017). A simplified model of catenary action in reinforced concrete frames under axially restrained conditions. Magazine of Concrete Research, 69(21), 1115-1134. doi:10.1680/jmacr.17.00009
Series/Report no.: Magazine of Concrete Research
Abstract: From previous experimental studies on missing column scenarios, catenary action could provide beneficial effects on structures during load redistribution after a target column is suddenly removed under an alternative load path procedure to assess structural resistance to progressive collapse. However, full-scale structural tests are costly and time consuming. Equally, finite-element models require in-depth expertise and large computing resources. Practising engineers are not amenable to this approach for preliminary sizing of members or for a quick assessment of structural resilience. To address this need, this paper provides a simplified semi-analytical model for predicting structural response under a column loss scenario. The model is constructed based on finite-element simulations and is verified by test results. The simplified model idealises the structural response of reinforced concrete beam–column sub-assemblages under column loss scenarios as a piecewise multi-linear curve. It shows good agreement with published test results and validated finite-element simulations.
ISSN: 0024-9831
DOI: 10.1680/jmacr.17.00009
Rights: © 2017 ICE Publishing. This paper was published in Magazine of Concrete Research and is made available as an electronic reprint (preprint) with permission of ICE Publishing. The published version is available at: []. One print or electronic copy may be made for personal use only. Systematic or multiple reproduction, distribution to multiple locations via electronic or other means, duplication of any material in this paper for a fee or for commercial purposes, or modification of the content of the paper is prohibited and is subject to penalties under law.
Fulltext Permission: open
Fulltext Availability: With Fulltext
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