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ISSN : 2233-8292

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Vol.21 No.4
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콘크리트 지하구조물 누수 처리를 위한 유도배수시스템

Drainage system for leakage treatment of cement concrete structure in underground

(사)한국터널지하공간학회 / (사)한국터널지하공간학회, (P)2233-8292; (E)2287-4747
2019, v.21 no.4, pp.573-585
https://doi.org/10.9711/KTAJ.2019.21.4.573
김동규 (한국건설기술연구원)
김동규. (2019). 콘크리트 지하구조물 누수 처리를 위한 유도배수시스템. (사)한국터널지하공간학회, 21(4), 573-585, https://doi.org/10.9711/KTAJ.2019.21.4.573
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Abstract

The objective of this study is to propose the drainage system that has been improved the workability, waterproofing and drainage performance to treat the leakage from the cement concrete structures in underground. It is improved that the pipe for conveying ground leak in the existing drainage system had the problem in workability and waterproof. The drainage systems with the improved pipe for conveying ground leak were constructed in conventional concrete lining tunnels to evaluate the workability, waterproofing and drainage. The waterproof and the drainage performance of the drainage system was evaluated by injecting 1,000 ml of red water in the back of the drainage system at 3 weeks, 6 weeks, 9 weeks, 11 weeks, 14 weeks, 17 weeks and 23 weeks. During 6 months of field performance test, the average daily temperature of the tunnel site was measured from -12.4°C to 19.7°C. The daily minimum temperature was -17.2°C and the daily maximum temperature was 26.7°C. There was no problem in waterproof and drainage performance on the pipe for conveying ground leak and the drainage system during 6 months for field performance test. It is concluded that the improved drainage system can be applied to various cement concrete underground structures where leakage occurs, and has little seasonal effect.

keywords
콘크리트 구조물, 누수, 유도배수, 차수, 지하, Cement concrete structure, Leakage, Drainage, Waterproof, Underground

참고문헌

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