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http://dx.doi.org/10.4334/JKCI.2002.14.6.823

Load Transfer Mechanism of the Hybrid Beam-Column Connection System with Structural Tees  

김상식 (인하대학교)
최광호 (남서울대학교)
Publication Information
Journal of the Korea Concrete Institute / v.14, no.6, 2002 , pp. 823-829 More about this Journal
Abstract
The composite frame system with reinforced concrete column and steel beam has some advantages in the structural efficiency by complementing the shortcomings between the two systems. The system, however has also a lot of problems in practical design and construction process due to the material dissimilarities. Considering these circumstances, this research is aimed at the development of the composite structural system which enables the steel beams to be connected to the R/C columns with higher structural safety and economy. Basically the proposed connection system is composed of four split tees, structural angles reinforced by stiffener, high strength steel rods, connecting plates and shear plates. The structural tests have been carried out to verify the moment transfer mechanism from beam flange to steel rods or connecting plates through the angle reinforced by siffener. The four prototype specimens have been tested until the flange of beam reached the plastic states. From the tests, no distinct material dissimilarities between concrete and steel have been detected and the stress transfer through wide flange beam - structural angle - high strength steel rod or connecting plate is very favorable.
Keywords
composite frame system; moment transfer mechanism; reinforced concrete column - steel beam; connection;
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