• Title/Summary/Keyword: 시공기준

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가스시공 (2): 건축물 가스배관 설치기준 개선 연구 돌입

  • 대한설비건설협회
    • 월간 기계설비
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    • s.246
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    • pp.58-71
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    • 2011
  • 건축물 외벽에 노출해 설치토록 유지해 온 국내 도시가스사업법 가스배관 설치기준의 개정 논의가 본격화됐다. 한국가스안전공사는 지난 해 12월 16일 서울지역본부에서 정책 기술자문위원 8명이 참석한 가운데 '건축물 가스배관 설치기준 개선 공동연구'에 대한 착수회의를 갖고 본격적인 개정작업에 돌입했다. 연구기간은 내년 2011년 10월까지 총 11개월이며 이 연구에는 한국가스안전공사, 한국가스학회, 한국건설생활환경시험연구원, (주)삼천리 등 4개 기관이 참여하여, 안전성 검증과 설치기준, 시공매뉴얼 등을 마련하게 된다. 한국가스안전공사의 '건축물 가스배관 설치기준 개선 공동연구' 추진은 그동안 대한설비건설협회 가스설비공사협의회(위원장 이효련)의 지속적인 건의사항으로, 이 연구가 마무리되면 앞으로 일본, 영국 등 선진국과 같이 가스배관의 건축물 내 매몰 시공이 가능해질 것으로 보인다.

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The Experimental Study on the Suggestion for Bond Strength Standard of Sprayed Fire Resistive Materials Used at the Substation Steel Structures (변전소 철골 내화뿜칠 부착강도 기준설정에 관한 실험적 연구)

  • Park, Dong-Su;Joung, Won-Seoup
    • Journal of the Korea institute for structural maintenance and inspection
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    • v.18 no.1
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    • pp.128-137
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    • 2014
  • Sprayed fire resistive materials are mainly used at steel structures to satisfy fireproof construction standard. However, the regulations on bond strength have been not considered with the exception of structures in the nuclear power plants, although it is an important factor showing material properties. Therefore, this paper suggested guidelines for bond strength of sprayed fire resistive materials used in the substation, by measuring bond strength according to aging of structures and impact loading considering environment of substations. It is judged that the bond strength suggested in this paper is the minimum value because it was measured from specimens widely used.

Parametric Study on Slab Construction Loads in Multistory-shored RC Structures Including Non-typical Stories with Different Slab Thicknesses (슬래브 두께가 다른 비기준층을 포함한 다층지지 RC 구조에서의 슬래브 시공 하중에 대한 변수 연구)

  • Sang-Min Han;Jae-Yo Kim
    • Journal of the Computational Structural Engineering Institute of Korea
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    • v.37 no.4
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    • pp.243-250
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    • 2024
  • Recently, accidents involving structural elements, formwork, and shore have occurred continuously during concrete pouring, especially in multistory-shored RC structure systems with non-typical stories with increased slab thicknesses. In previous studies, an analysis was conducted on the stiffness of concrete and distribution of slab construction loads when some slab thicknesses were increased under the same conditions. This study analyzed the construction load, construction damage parameter, and shoring force by varying the construction conditions, such as the construction period and number of shores, as well as the design conditions, such as the thickness increment and number of thickness increment slabs, in a multistory-shored RC structure system with non-typical stories with increased slab thickness.