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노성열,Roh, Sung-yeal 대한건축사협회 2008 建築士 Vol.2008 No.2
건설교통부 서울지방국토관리청(청장 한기선)에서는 지난 한 해 동안 수도권에 건설 중인 아파트 등 다중이용건축물의 부실시공 방지를 위해 시공실태점검과 기술자교육 등을 실시하고 있으나, 에너지절약 부분에 있어서는 관련법령에 미달되게 적용하는 사례가 반복 지적되고 있어, 설계자에 대한 관련 기준의 바른 이해에 도움이 되고자 알려 드립니다.
섬유 혼입 순환골재 콘크리트의 역학적 특성에 관한 연구
노성열(No Seong-Ryeol),신용석(Shin Yong-Seok),김대성(Kim Dae-Seong),유명환(Yoo Myung-Hwan),김정섭(Kim Jeong-Sup) 대한건축학회 2009 대한건축학회 학술발표대회 논문집 - 계획계/구조계 Vol.29 No.1(구조계)
The rate of recycling using recycled concrete which occupies most of construction wastes is increasing. But, negative recognition from inferior quality of recycled aggregates and lower grade of compressive strength, bending strength, frost resistance and ductility make application of recycled aggregates to structure insufficient. Therefore, this study conducted material and member experiments by mixing fiber for the purpose of improving the properties of recycled aggregate concrete and the results of the study are suggested. To synthesize the experimental results, it was found that the specimen with 30% of steel fiber admixture had compressive strength, tensile strength and frost resistance equivalent to or higher than the standard specimen and 30% of replacement of recycled aggregates is applicable to actual structure. But the specimen of 60% recycled aggregate with fiber admixture didn't achieve improvement of brittle destruction in shear test unlike 30% specimen and it is difficult for it to apply to actual structure. Also sustaining study on the replacement of 40% or more of recycled aggregate is necessary.