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Properties of External Insulation Surface Preparation Mortar Using Expandable Graphite for Fire Resistance

Author

Listed:
  • Sung-Young Song

    (Yoosong Engineering, Dongan-gu 14054, Anyang, Korea)

  • Hwa-Sung Ryu

    (Hanyang Experiment and Consulting, Hanyang University, Ansan 15588, Korea)

  • Sang-Heon Shin

    (Hanyang Experiment and Consulting, Hanyang University, Ansan 15588, Korea)

  • Deuck-Mo Kim

    (Hwarok Construction Industry, Hanyang University, Ansan 15588, Korea)

  • and Won-Jun Park

    (Department of Architectural Engineering, Kangwon National University, Samcheok 25913, Korea)

Abstract

In the case of fire, surface treatment agents used in external insulation finishing methods are substances that are vulnerable to fire. This study examined the incorporation and applicability of expandable graphite in surface preparation mortar so that heat transfer to the surface part can be suppressed even when the cementitious surface preparation mortar is thinly constructed in the external insulation method. Experimental results showed that the mechanical properties of surface preparation mortar were improved by using the fly ash and silica fume. Surface treatment materials using expanded graphite have a characteristic of expanding when a fire occurs. It was experimentally confirmed that incorporating expanded graphite can reduce the phenomenon of heat penetration to the rear surface when the surface preparation mortar is exposed to high temperatures such as a flame.

Suggested Citation

  • Sung-Young Song & Hwa-Sung Ryu & Sang-Heon Shin & Deuck-Mo Kim & and Won-Jun Park, 2019. "Properties of External Insulation Surface Preparation Mortar Using Expandable Graphite for Fire Resistance," Sustainability, MDPI, vol. 11(23), pages 1-13, December.
    • Handle: RePEc:gam:jsusta:v:11:y:2019:i:23:p:6882-:d:293796
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    References listed on IDEAS

    as
    1. Zhang, Zhengguo & Shi, Guoquan & Wang, Shuping & Fang, Xiaoming & Liu, Xiaohong, 2013. "Thermal energy storage cement mortar containing n-octadecane/expanded graphite composite phase change material," Renewable Energy, Elsevier, vol. 50(C), pages 670-675.
    2. Gonçalves, Márcio & Simões, Nuno & Serra, Catarina & Flores-Colen, Inês, 2020. "A review of the challenges posed by the use of vacuum panels in external insulation finishing systems," Applied Energy, Elsevier, vol. 257(C).
    3. Li, Wei & Zhang, Rong & Jiang, Nan & Tang, Xiao-fen & Shi, Hai-feng & Zhang, Xing-xiang & Zhang, Yuankai & Dong, Lin & Zhang, Ningxin, 2013. "Composite macrocapsule of phase change materials/expanded graphite for thermal energy storage," Energy, Elsevier, vol. 57(C), pages 607-614.
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