Analytical Modeling of Precast Concrete Grouted Beam- column Joints under Cyclic Load

Authors

International Institute of Earthquake Engineering and Seismology, Tehran, Iran

Abstract

Precast concrete frame structures are in many respects superior to the traditional cast-in-place concrete structures. The structural components are built with good quality assurance in a controlled environment and building construction require less site work and can be done at a rapid paste. However, seismic performance of these structures is significantly affected by the behavior of beam-column connections. Fig. 1 shows a typical connection in which the column reinforcements are passed through corrugated steel ducts (sleeves) within the precast beam. The moment resisting connection is finally formed by grouting the sleeves after the top column is set in place. In this paper, a simplified model is presented to simulate the behavior of such joints under cyclic loading condition. The analytical model is verified with experiments which were carried out on five large-scale specimens representing such connections.

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References

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Journal of Civil and Environmental Engineering
Volume 51.4, Issue 105 - Serial Number 105
Winter 2022
January 2022
Pages 131-140

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