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일반철근콘크리트 보와 동일한 구조적 거동을 하는 강섬유보강 철근콘크리트 보 단면의 이론적 산정
이차돈,윤여천 中央大學校 建設環境硏究所 1995 環境科學硏究 Vol.6 No.-
The objective of this study was to develop an mathematical model which can take into account the effects of steel fiber reinforced concrete(SFRC) on the flexural and shear behavior of a reinforced steel fibrous concrete beam(RSFC beam). The model developed on the basis of the nonlinear layered finite element method and the nonlinear programming technique was successfully able to find the necessary amount of steel fibers, tensile steels and comporessive steels(if any) to constitute and equivalent RSFC beam section compared to a given conventionally reinforced concrete beam in terms of equal flexural an shear strengths as well as ductility. Using the developed model. some parametric studies were also performed in order to examine the possible replacement of conventional reinforcement with steel fibers and consequently the changes in the amount of tension, compression, and shear reinforcement for the beam made of different reinforcement ratios and concrete compressive strengths.