Abstract
In this paper, a SRC flat beam system, which was rigid frame construction that consisted with SRC flat beams and normal SRC columns, was researched. The flat beam of this system has wider width than columns have and shorter depth than nomal beams have. Steel is placed eccentrically in a beam section if the flat beam and the column were jointed eccentrically. In this case, it is necessary to consider unsymmetrical bending when flexural strength of the SRC flat beam section is estimated. In this study, cyclic loading test of a SRC cruciform joint specimen was carried out to investigate performance of the SRC flat beam system. As a result, the specimen showed restoring force characteristics of flexural type, and an estimating method of flexural strength of SRC section that had eccentricity of steel was shown in this paper.
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