Journal of the Korea Institute of Building Construction (한국건축시공학회지)

The Korean Institute of Building Construction (한국건축시공학회)
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A Study on the Deicing Performance of Cement Mortar through the Addition of Water-repellent

발수제 혼입에 따른 시멘트 모르타르의 표면 얼음 제거성능에 관한 연구

  • Kang, Suk-Pyo (Department of Construction Engineering, Woosuk University) ;
  • Hong, Seong-Uk (Department of Construction Engineering, Woosuk University) ;
  • In, Byung-Eun (Department of Construction Engineering, Woosuk University) ;
  • Kim, Sang-Jin (Department of Construction Engineering, Woosuk University)
  • Received : 2022.06.30
  • Accepted : 2022.11.19
  • Published : 2022.12.20
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Abstract

This paper examined the effect of water repellent type and addition among various factors on the deicing performance of cement mortar surface according to incorporation. As a result, the compressive strength of the water repellentcement mortar compared to the cement mortar, and the compressive strength of the oligomer-based water repellent mortar was higher than that of the monomer-based water repellent. The contact angle of the water-repellent mortar was increased compared to the additive mortar, and the oligomer water-repellent agent compared to the monomer-based water-repellent. As a result of measuring the ice formation time of cement mortar due to the mixing of the water repellent, the ice formation was delayed until 25 minutes for mortar to which the water repellent was added. the measurement of the ice attachment load mortar without water repellent with water repellentwhen the water repellent was added to mortar, deicing performance was increased.

본 논문은 발수제 혼입에 따른 시멘트 모르타르 표면의 얼음 제거성능에 다양한 요인 중 발수제 첨가 및 종류에 대한 영향을 검토하였다. 그 결과 발수제 첨가 시멘트 모르타르의 압축강도는 무첨가 시멘트 모르타르와 비교하여 감소하였고, 올리고머계 발수제 첨가 모르타르의 압축강도는 모노머계 발수제와 비교하여 높게 나타났다. 발수제 첨가 모르타르의 접촉각은 무첨가 모르타르와 비교하여 증가하였고 모노머계 발수제보다는 올리고머 발수제가 상대적으로 증가하였다. 발수제 혼입에 따른 시멘트 모르타르의 얼음형성시간 측정 결과 발수제를 첨가하였을 때 25분까지 지연시키는 것으로 나타났다. 얼음 제거하중 측정결과 발수제를 첨가하지 않은 모르타르는 342N을 발현하였고 발수제를 첨가한 모르타르는 31N을 발현하여 발수제를 모르타르에 첨가하는 경우 얼음제거성능이 감소하였다.

Keywords

Acknowledgement

This work is supported by the Korea Agency for Infrastructure Technology Advancement(KAIA) grant funded by the Ministry of Land, Infrastructure and Transport(Grant 21TBIP-C160747-01).

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