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(사)한국터널지하공간학회

ISSN : 2233-8292

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Vol.16 No.4

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Selection of concrete lining corrosion protection method for large sewer tunnels

(사)한국터널지하공간학회 / (사)한국터널지하공간학회, (P)2233-8292; (E)2287-4747
2014, v.16 no.4, pp.347-360


& (2014). Selection of concrete lining corrosion protection method for large sewer tunnels. (사)한국터널지하공간학회, 16(4), 347-360.

Abstract

Recently construction of large sewer tunnels used also as underground sluiceways/storages is increasing in order to prevent urban inundation, untreated sewage flow into rivers from combined sewer overflows and consequential river pollution due to climate change. Most of these large sewer tunnels are constructed with concrete and the concrete lining should be protected from corrosion caused by hydrogen sulfide(H2S). This paper introduced popular concrete corrosion protection methods for large sewer tunnels with 100-plus years of life cycle, and pros and cons of each corrosion protection methods were described by giving specific examples. However, it is difficult to objectively assess corrosion protection alternatives because of insufficient track record of corrosion protection methods applied to large sewer tunnels. In this paper, the evaluation process for selecting a corrosion protection alternative was introduced for large sewer tunnels using a case study.

keywords
Large sewer tunnel, Hydrogen sulfide, Concrete lining corrosion, Concrete corrosion protection, 대형 하수터널, 황화수소, 콘크리트 라이닝 부식, 콘크리트 방식 공법

Reference

1.

1. Tuxworth, J., Bosco, D., Terry, A. (2007), “Specification and quality assured installation of HDPE corrosion protection liners”, Pipes Wagga Wagga, pp. 1-33

2.

2. Uhren, D.J., Gilbert, G.W. (2001), “Matrix evaluation to resolve corrosion risks for a sewer tunnel in difficult glacial soils”, 2001 RETC Preceedings, pp. 299-308.

3.

3. Chapman, D.R., Frank, G. (2005), “Design considerations for corrosion protection in large diameter sewer tunnel construction”, North American Society for Trenchless Technology NO-DIG 2005, paper A-3-02, pp. 1-13.

4.

4. Redner, J.A., His, R.P., Esfandi, E.J., Sydney, R., Jones, R.M., Won, D., Andraska, J. (2004), “Evaluation of protective coatings for concrete”, County Sanitation Districts of Los Angeles County, Whittier, California.

5.

5. Nixon, R. (2006), “Odor and corrosion problems:two related issues requiring distinctly separate control strategies”, The NEWEA Journal, pp. 23-27.

6.

6. CPI (2008), Technical Memorandum on Recommended Path Forward for OOO Lined Portion of the OOO Tunnel, p. 20.

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