Journal of the Korea institute for structural maintenance and inspection (한국구조물진단유지관리공학회 논문집)

Korea Institute for Structural Maintenance Inspection (한국구조물진단유지관리공학회)
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Survey Research on Thermal Situation of Office Buildings

사무소 건축물의 단열상황에 관한 조사연구

  • Received : 2012.12.18
  • Accepted : 2013.04.14
  • Published : 2013.05.30
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Abstract

This study is to evaluate the thermal insulation of the curtain wall of the buildings constructed since the 1990s to the buildings currently under construction in 2011 and to provide the basic data for repairing and reinforcing and designing the thermal insulation. To this effect, the temperature difference by part was analyzed through measuring the inside and outside surface temperature of the curtain wall of the office building, and thereafter, the conditions of the thermal insulation and the thermal bridge part were examined. The result of the study is as follows; Not only in the winter season when the temperature difference between the indoor-outdoor is over $20^{\circ}C$, but also in the summer season when there is a small temperature difference, the temperature difference between the inside and outside of the frame is $2^{\circ}C{\sim}4^{\circ}C$ equally. Under such conditions as stated above, the thermal bridge occurred, which resulted from the heat flow of the steel frame part (mullion, transom), and therefore, the reinforcement of the thermal insulation is considered to be needed.

본 논문은 1990년대~2011년 시공 중이었던 건축물의 커튼월의 단열성을 평가하기 위하여 내외 표면 온도를 측정하여 부위별 온도 차이를 분석하였다. 유리면이나 단열층이 있는 표면보다 커튼월의 프레임 (멀리온 및 트랜섬)의 온도는 동절기 외부 평면의 경우 $6^{\circ}C{\sim}10^{\circ}C$ 정도 높게 나타났다. 또한, 같은 프레임에서도 앵커유닛이 있는 부위가 다른 프레임보다 $2^{\circ}C{\sim}3^{\circ}C$ 더 높게 나타나 보다 큰 열 손실이 일어나고 있는 것으로 나타났다.

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References

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