Journal of the Architectural Institute of Korea Structure & Construction (대한건축학회논문집:구조계)

Architectural Institute of Korea (대한건축학회)
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Thermal Insulation Performance of Waterproofing Membrane System with a Multi-Layer Thermal Insulation Sheet

단열시트를 적층 시공한 복합방수공법의 단열성 평가

  • Received : 2013.10.30
  • Accepted : 2014.01.06
  • Published : 2014.01.25
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Abstract

Thermal insulation performance of a multi-layered waterproofing membrane system with sandwich type of polyethylene foam and aluminum film was evaluated by using small specimen in the indoor environmental test chamber, and was compared with the effect of insulation sheet layers, the heat load on concrete substrate or the correlation with outdoor test results. The test specimens were 6 types; only concrete, single urethane system and some multi-layered systems with thermal insulation sheet. The indoor test was carried out with temperature cycles of $20^{\circ}C$ to $80^{\circ}C$ and $20^{\circ}C$ to $-20^{\circ}C$. The temperature of specimens were calculated by using the simplified calculation equation about the effect of season and specimen size, and the thermal insulation behavior between measurement value and the predicted value of had a good correlation. Also, the waterproofing system with multi-layered insulation sheets had a high insulation performance than that of existing systems, and can contribute to the reduction of heat load on concrete substrate and the saving energy.

Keywords

Acknowledgement

Supported by : 한국연구재단

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