SEISMIC PERFORMANCE OF REINFORCED CONCRETE CORNER BEAM-COLUMN JOINT UNDER TRI-DIRECTIONAL LOADING

SEISMIC PERFORMANCE OF REINFORCED CONCRETE CORNER BEAM-COLUMN JOINT UNDER TRI-DIRECTIONAL LOADING

Seismic performance of a corner beam-column joint in reinforced concrete frames was studied by testing two three-dimensional beam-column subassemblage specimens without slabs under tri-directional loading. A column-to-beam flexural strength ratio was varied from 1.4 to 2.3 by changing the magnitude...

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Veröffentlicht in:Journal of Structural and Construction Engineering (Transactions of AIJ) 2015, Vol.80(713), pp.1133-1143
Hauptverfasser: KATAE, Hiromu, KITAYAMA, Kazuhiro
Format: Artikel
Sprache:eng ; jpn
Schlagworte:
Axial force
Axial loads
Beam-columns
Column-to-beam strength ratio
Columns (structural)
Corner beam-column joint
Corners
Failure
Joint failure
Reinforced concrete
Seismic response
Three dimensional
Tri-directional loading
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Zusammenfassung:Seismic performance of a corner beam-column joint in reinforced concrete frames was studied by testing two three-dimensional beam-column subassemblage specimens without slabs under tri-directional loading. A column-to-beam flexural strength ratio was varied from 1.4 to 2.3 by changing the magnitude of column axial load. Although sufficient redundancy to prevent shear failure was provided to a beam-column joint in the test, all joints failed in flexure after beam and column longitudinal bars yielded. The ultimate flexural capacity of a corner joint under tri-directional loading was enhanced by large column axial load, and can be estimated bythe method proposed by Shiohara.
ISSN:1340-4202
1881-8153
DOI:10.3130/aijs.80.1133