TITLE

Cyclic Loading Test for Beam-Column Connection with Prefabricated Reinforcing Bar Details

AUTHOR(S)
Tae-Sung Eom; Jin-Aha Song; Hong-Gun Park; Hyoung-Seop Kim; Chang-Nam Lee
PUB. DATE
May 2013
SOURCE
ACI Structural Journal;May/Jun2013, Vol. 110 Issue 3, p403
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
A Prefabricated Reinforcing Bar Construction (PRC) Method was developed for fast construction and cost savings. In this study, a prefabricated reinforcing bar connection method for the earthquake design of beam-column connections was developed. Three interior and one exterior full-scale beam-column connections, including a conventional reinforced concrete (RC) specimen, were tested under cyclic loading. The test specimens were designed to satisfy the requirement of the special moment frame specified in ACI 318-08. In the proposed connection method, reinforcing bar welding, coupler splice, and headed bar anchorage were used, considering the PRC Method. The test results showed that the story drift ratio of the PRC beam-column connections exceeded 3.5%, which is the requirement of ACI 374.1-05. The load-carrying capacity, yield stiffness, and energy dissipation capacity of the PRC specimens were comparable to those of the conventional RC specimen. The major failure modes of the PRC specimens were flexural concrete crushing and reinforcing bar fracture at the beam plastic hinge region. The welding of the reinforcing bars and the coupler splice did not significantly affect the performance of the specimens.
ACCESSION #
87050630

 

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