新しい形式の鉄骨コンクリート柱の力学的特性に関する基礎的研究

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Recently, the situation of the construction cost is reflected and SRC structures decreases. An excellent mechanical property cannot be shown though construction is difficult and the cost is high because the cause uses the iron frame compared with the RC structure. Therefore, the SRC structure and the CFT structure characteristic are made the best use of, and the iron frame concrete composite construction of a new system with the earthquake-resistant, the workability, and the economy is researched. To obtain the seismic performance of new system of composite structure, 6 columns specimens (6 on B series) were tested. The B series is the box shape steel pipe and diagonal steel section. The B series is the box shape steel pipe and diagonal steel section. Test specimens with the box shape steel pipes have the good deformation ability under the high axis load. Because, the box shape steel pipes is prevented to concrete compression failure and the compression buckling of the steel. New type composite columns with diagonal section have about twice the bending yield strength with ordinarily section and, it has the transformation ability. It obtained of the basic characteristic of new type steel-concrete composite structures, and the evaluation of ultimate strength and ductility of steel-concrete columns is examined. In conclusion, steel-concrete composite structures of proposed new type have been understood that it has seismic performance and economical construction is done compared with ordinarily SRC structures, and CFT structures.
福山大学の論文

新しい形式の鉄骨コンクリート柱の力学的特性に関する基礎的研究

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