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최병철,임경택,정수영,윤석천 忠南大學校 産業技術硏究所 1993 산업기술연구논문집 Vol.8 No.2
This paper is to study strength and ductility under uniaxial compression. The main objects of this study are to determine the strength gain factor and ductility considering the effect of the spacing, volumetric ratio of lateral steel to concrete core, tie configuration. To achieve the above objects, twelve reinforced concrete columns which are confined rectangular( □), cross( + ), diagonal(◇) tie steel, are used. In the theoretical analysis, the effect of the double confined in concrete due to lateral reinforcement was proposed. And these assumptional results were compared with experimental results.