상하수도학회지 (Journal of Korean Society of Water and Wastewater)

  • 제26권3호
  • /
  • Pages.343-354
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  • 2012
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  • 1225-7672(pISSN)
  • /
  • 2287-822X(eISSN)
대한상하수도학회 (The Korean Society of Water and Wastewater)
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폴리에틸렌 하수관 연결용 전기발포융착 이음관에 관한 연구

A Study of Electro-foaming Fusion Wrap for Polyethylene Sewer Pipe

  • 발행 : 2012.06.15
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초록

A electro-foaming fusion wrap fitting for polyethylene sewer pipe was built and foaming mechanism has been studied. A foaming sheet, supporting sheet and clamping band is assembled into a all-in-one structured electro-foaming fusion wrap fitting. To specify foaming and fusion of electro-foaming fusion wrap for PE sewer pipe, series of fusion tests were performed in various conditions. A parallel plate compression test up to 50 % of inner diameter deflection has been performed to check integrity of fusion quality and it was found that there were no visible signs of crack in wrapped area of fitting. Also air tightness test based on KS M 3511-2 has been performed to evaluate perfectness of wrap fusion quality and we found there were no pressure drop up to 10 times higher value than KS standard regulation.

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참고문헌

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