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Title: Analytical Model for Compressive Arch Action in Horizontally Restrained Beam-Column Subassemblages
Authors: Kang, Shao-Bo
Tan, Kang Hai
Keywords: beam-column subassemblage
compressive arch action
Issue Date: 2016
Source: Kang, S.-B., & Tan, K. H. (2016). Analytical Model for Compressive Arch Action in Horizontally Restrained Beam-Column Subassemblages. ACI Structural Journal, 113(4), 813-826.
Series/Report no.: ACI Structural Journal
Abstract: This paper presents an analytical model to predict the compressive arch action (CAA) of reinforced concrete beam-column subassemblages. In the model, a new method is proposed to quantify the strains of longitudinal reinforcement in the beam. Instead of equivalent rectangular concrete stress block, the constitutive model for concrete is employed to calculate the compression force sustained by concrete. Besides, tensile strength of engineered cementitious composites can also be considered. Comparisons between experimental and analytical results indicate that the model yields reasonable accuracy in predicting the CAA capacity and horizontal compression force of subassemblages. The effects of horizontal restraints on the CAA capacity of subassemblages are also investigated through the model. Furthermore, pseudo-static resistance of beam-column subassemblages is calculated based on the energy balance method. Finally, conclusions on the enhancement of CAA to structural resistance are drawn from analytical results.
ISSN: 0889-3241
DOI: 10.14359/51688629
Rights: © 2016 American Concrete Institute. This paper was published in ACI Structural Journal and is made available as an electronic reprint (preprint) with permission of American Concrete Institute. 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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