EFFECT OF JOINT REINFORCEMENT ON DUCTILITY AND PERFORMANCE OF EXTERIOR CONCRETE BEAM-COLUMN JOINTS

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SHIRAZI H.; ESFAHANI M.R.

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Paper Information

Journal: JOURNAL OF COMPUTATIONAL METHODS IN ENGINEERING (ESTEGHLAL) Year:2012 | Volume:30 | Issue:2 Page(s): 111-129

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Title

EFFECT OF JOINT REINFORCEMENT ON DUCTILITY AND PERFORMANCE OF EXTERIOR CONCRETE BEAM-COLUMN JOINTS

Author(s)

SHIRAZI H. | ESFAHANI M.R. | Issue Writer Certificate

Keywords

EXTERIOR CONCRETE BEAM-COLUMN JOINTSQ2

FINITE ELEMENTSQ2

CYCLIC LOADQ2

HYSTERESIS DIAGRAMQ2

JOINT REINFORCEMENTSQ2

Abstract

Joint shear deficiency in concrete beam-column connections arising form diagonal cracks is one of the main causes of connection failure. This factor, apart from connection damage, results in column deterioration and degradation of structural performance. In this paper, an experimental and analytical investigation into the behavior of EXTERIOR CONCRETE BEAM-COLUMN JOINTS is carried out. The variables include the type and location of beam longitudinal bar anchorage in joint, longitudinal and transverse reinforcement of column at the joint region, and strength of concrete. In the experimental part, 8 semi-scale exterior beam-column joints are manufactured and subjected to a constant column axial load and beam quasi-static CYCLIC LOAD. In the analytical part, ABAQUS software is used for modeling and analyzing the test specimens. Based on the results, both experimental and analytical joint capacities are in good agreement. Results show that increasing the concrete strength, in addition to increasing the load capacity, can change the failure mechanism of a connection from shear failure in joint to flexural failure in beam. Also, by making appropriate changes in reinforcement at the joint region, the load capacity, energy dissipation and ductility of connection can be increased.

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APA: Copy

SHIRAZI, H., & ESFAHANI, M.R.. (2012). EFFECT OF JOINT REINFORCEMENT ON DUCTILITY AND PERFORMANCE OF EXTERIOR CONCRETE BEAM-COLUMN JOINTS. JOURNAL OF COMPUTATIONAL METHODS IN ENGINEERING (ESTEGHLAL), 30(2), 111-129. SID. https://sid.ir/paper/173664/en

Vancouver: Copy

SHIRAZI H., ESFAHANI M.R.. EFFECT OF JOINT REINFORCEMENT ON DUCTILITY AND PERFORMANCE OF EXTERIOR CONCRETE BEAM-COLUMN JOINTS. JOURNAL OF COMPUTATIONAL METHODS IN ENGINEERING (ESTEGHLAL)[Internet]. 2012;30(2):111-129. Available from: https://sid.ir/paper/173664/en

IEEE: Copy

H. SHIRAZI, and M.R. ESFAHANI, “EFFECT OF JOINT REINFORCEMENT ON DUCTILITY AND PERFORMANCE OF EXTERIOR CONCRETE BEAM-COLUMN JOINTS,” JOURNAL OF COMPUTATIONAL METHODS IN ENGINEERING (ESTEGHLAL), vol. 30, no. 2, pp. 111–129, 2012, [Online]. Available: https://sid.ir/paper/173664/en

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