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Home > Publications > International Concrete Abstracts Portal
The International Concrete Abstracts Portal is an ACI led collaboration with leading technical organizations from within the international concrete industry and offers the most comprehensive collection of published concrete abstracts.
Title: Finite Element Analysis of Reinforced Concrete Joints Subjected to Multi-Axial Loading
Author(s): H. Noguchi, T. Kashiwazaki, and K. Miura
Publication: Special Publication
Appears on pages(s): 223-244
Keywords: beams; bond; columns; deformation; earthquake-resistant structures; finite element analysis; joints; multi-axial loading; reinforced concrete; shear properties; structural design; three-dimensional.
Abstract:The authors conducted a three-dimensional finite element analysis of
interior beam-column specimens with orthogonal beams under bilateral load, and of planar frame specimens under unilateral load. Comparisons were made between finite element modelling and experimental results and analytical investigations of stress conditions using bond characteristics of beam/column reinforcement and structural frame types as analytical parameters. The internal stress states, which are difficult to understand from laboratory testing, were investigated. The simulated stiffnesses were somewhat high compared with experiment results, but the maximum strength correlated well with the experiment. By examining compressive principal stress fields for diagonal cross sections, the authors show that the compressive strut region is big for test specimens with bonded interfaces, the strut region is narrower for specimens without bonded interfaces, and regions that do not carry stress exist.
Distribution of shear stress within joints was shown for planar frame and interior
beam-column joint specimens, and differences between specimens with and without bonded interfaces were investigated.
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