Proceedings of the KIEE Conference (대한전기학회:학술대회논문집)

The Korean Institute of Electrical Engineers (대한전기학회)
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Corrosion behavior of coated steel pipes for water works with water content of soil

토양의 함수율에 빠른 상수도용 도복장 강관의 부식거동에 관한 연구

  • Park, Kyung-Wha (Underground Systems group, Korea Electrotechnology Research Institutes) ;
  • Bae, Jeong-Hyo (Underground Systems group, Korea Electrotechnology Research Institutes) ;
  • Ha, Tae-Hyun (Underground Systems group, Korea Electrotechnology Research Institutes) ;
  • Lee, Hyun-Goo (Underground Systems group, Korea Electrotechnology Research Institutes) ;
  • Ha, Yoon-Cheol (Underground Systems group, Korea Electrotechnology Research Institutes) ;
  • Kim, Dae-Kyeong (Underground Systems group, Korea Electrotechnology Research Institutes)
  • 박경화 (한국전기연구원 지중시스템 그룹) ;
  • 배정효 (한국전기연구원 지중시스템 그룹) ;
  • 하태현 (한국전기연구원 지중시스템 그룹) ;
  • 이현구 (한국전기연구원 지중시스템 그룹) ;
  • 하윤철 (한국전기연구원 지중시스템 그룹) ;
  • 김대경 (한국전기연구원 지중시스템 그룹)
  • Published : 2004.11.05
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Abstract

The corrosion rate of buried steel pipes for water works was investigated under soil environment. Steel pipe shows various characteristics caused by complicated environment condition of underground and especially the corrosion rate of it depends on the resistivity of soil controlled by content of water. In this paper, the corrosion behavior of steel pipe was observed by polarization test under soil and the silica sand in the water content range of 0-50%. Generally it is well known that the resistivity of soil decreased rapidly over 15% water content. In fact the corrosion rate, corrosion potential, and corrosion consumption (MPY) of steel pipe were shown very different aspects within 20% water content.

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