Journal of Korean Society of Water and Wastewater (상하수도학회지)

The Korean Society of Water and Wastewater (대한상하수도학회)
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A study on the basic experiment of performance criteria for application of pipe bursting method in actual field

Pipe Bursting 공법의 적용성 검토를 위한 주요 성능평가 항목의 기초실험연구

  • Park, Sangbong (University of Seoul Environmental Engineering) ;
  • Kim, Kibum (University of Seoul Environmental Engineering) ;
  • Seo, Jeewon (University of Seoul Environmental Engineering) ;
  • Park, Sanghyuk (Korea Institute of Civil Engineering and Building Technology) ;
  • Koo, Jayong (University of Seoul Environmental Engineering)
  • 박상봉 (서울시립대학교 환경공학부) ;
  • 김기범 (서울시립대학교 환경공학부) ;
  • 서지원 (서울시립대학교 환경공학부) ;
  • 박상혁 (한국건설기술연구원) ;
  • 구자용 (서울시립대학교 환경공학부)
  • Received : 2018.08.26
  • Accepted : 2018.10.02
  • Published : 2018.10.15
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Abstract

Most of aged water supply pipes have been replaced by the open cut method. However, this method has some limitations because water pipes, in many cases, are buried together with other underground facilities or are buried in the middle of high-traffic roads or in narrow alleyways where boring machines cannot be used. This research developed a pipe bursting device for small diameter pipes that enables pipe replacement without excavating the ground, by the busting of existing buried pipes followed by the traction and insertion of new pipes. As a results of examining the field applicability of the developed device, PE pipes and PVC pipes required the tractive force of 413.65~665.69 kgf and 457.43~791.35 kgf respectively, plus an additional 30 % tractive force per elbow. The proper number of bursting head was demonstrated that the connection of more than 2 heads could secure a stable bending radius of 15D. The developed device can be improved through field experiments involving various pipe types and pipe diameters, as well as presence/absence of elbow, so as to be utilized regardless of diverse variables according to the conditions of the soils surrounding existing pipes.

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References

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