Journal of the Korean Society of Manufacturing Technology Engineers (한국생산제조학회지)

The Korean Society of Manufacturing Technology Engineers (한국생산제조학회)
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The Research on Environmental-Friendly Manhole Repair and Construction Technology

친 환경적 맨홀 보수 및 시공 기술개발에 대한 연구

  • 서정환 (한국산업기술대학교 기계설계공학과) ;
  • 양해정 (한국산업기술대학교 기계설계공학과) ;
  • 김광 (한국산업기술대학교 기계설계공학과)
  • Received : 2012.07.31
  • Accepted : 2012.08.28
  • Published : 2012.10.15
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Abstract

The repair of road pavement and manhole has been resulted long construction times and traffic jams, environmental pollution from construction wastes, and budget waste due to excessive construction costs. In order to resolve such problems, we have developed the new construction method using C-ring, which can fix and raise the manhole securely. This technology is the method by driving in a wedge after inserting C-ring and expanding it in order to raise manhole to the regular height. This has been approved by the test reports of KOLAS(Korea Laboratory Accreditation Scheme), and was confirmed safety, durability and reliabilty in result. In this paper we approved this technology was able to short working times to around 20% and construction costs to around 50% with compare other construction methods. Also, environmental pollution and civil complaints will be prevented because there will be no longer any noises, vibrations, dust, or construction wastes.

Keywords

References

  1. Sin, U. C., 2004, "Manhole raise technique using C-ring, Wedges and Expansion Unit," Ministry of Construction and Transportation. NET, No. 425, pp. 1-96.
  2. Seo, J. H., 2007, "Design technology for vehicle-mounted circular cutting machine," Korea Industrial Technology Foundation, pp. 1-14.
  3. Seo, J. H., and Sin, U. C., 2006, "Development of the insulate vehicle unit for long-term storage," Small and Medium Business Administration, pp. 1-22.
  4. Seo, J. H., and So, E. Y., and Sin, U. C., 2007, Fixing Method of Raise C-rings using Adhesives and Tight Fit, KR Patent: 10-0750652.
  5. The Test Report, 2003, No. 2003-TBS-00004, Korea Testing & Research Institute.
  6. Yeb, B. S., and Ho, B. D., 2012, "A Study on Fatigue Characteristics for Design Automation of TS-Type Spot Welded Lap Joint," Journal of the KSMTE, Vol. 21, No. 3, pp. 290-296.
  7. Kim, D. E., and Lee, S. H., 2008, "A Study of Stress Analysis of Multi-Grain Orthotropic Material by BEM," Journal of the KSPE, Vol. 25, No. 4, pp. 127-133.
  8. Jung, S. M., and Kim, I. S., 2012, "Study of Welding Toughness Characteristics on the Root-pass Welding Process of High Tower Production for Offshore Wind Power Generation," Journal of the KSMTE, Vol. 21, No. 2, pp. 349-354.
  9. KS, 2001, Spheroidal graphite iron castings, KS D 4302: 2001, Korea Standard

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