In order to apply high strength materials to RC members, it is necessary to clarify the basic properties such as ultimate capacity of section and deformation performance, and reflect them to design. To investigate the ultimate capacity and deformation performance, therefore, cyclic load tests were conducted on RC column members made of high strength materials. This paper describes the applicability of ordinary design codes to RC members made of high strength materials, based on load-displacement relationships obtained by cyclic load tests.

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