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2023 Vol.24, Issue 12 Preview Page
Durability Comparison of Precast Segment Lining and Cast-in-place Concrete Lining

프리캐스트 세그먼트 라이닝과 현장 타설 콘크리트 라이닝의 내구성 비교

Gyuphil Lee1*
이 규필1*
1Senior Researcher, Department of Geotechnical Engineering Research, KOREA INSTITUTE of CIVIL ENGINEERING and BUILDING TECHNOLOGY
*Corresponding Author
1 December 2023. pp. 13-18
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Abstract

Cast-in-place concrete lining is commonly used in tunnel lining, but cast-in-place concrete lining has problems with construction and quality control. Precast segment lining is being used to solve these problems. In general, precast segment lining is known to have improved durability and easy maintenance such as rehabilitation of structures. This study compared the durability of 22 tunnel linings constructed with precast segments or cast-in-place reinforced concrete.

Keywords
Precast
Segment
Concrete lining
Durability

터널 콘크리트 라이닝은 현장 타설을 통한 시공법이 가장 일반적이나 현장 타설 콘크리트 라이닝은 시공성 및 품질관리의 문제점을 갖고 있으며, 이러한 문제점을 해결하기 위한 프리캐스트 세그먼트 라이닝이 활용되고 있다. 일반적으로 프리캐스트 세그먼트 라이닝은 향상된 내구성 및 이로 인하여 보수·보강 등 유지관리가 용이한 것으로 알려져 있다. 따라서 본 연구에서는 프리캐스트 세그먼트 또는 현장타설 철근콘크리트로 시공된 22개소 터널 라이닝의 내구성을 비교·분석하였다.

키워드
프리캐스트
세그먼트
콘크리트 라이닝
내구성
References
1
Choo, J. H., Kim, H. T., Kim, H. K. and Hwang, I. B. (2008), The enhanced assessment of the integrity on underground structure by using the primary inspection in precise safety diagnosis, KSCE 2008 Convention & Civil Expo, pp. 4176~4179 (in Korean).
2
Kim, H. J., Lee, G. P. and Lim, C. W. (2019), Investigation for the deformation behavior of the precast arch structure in the open-cut tunnel, Journal of Korean Tunnelling and Underground Space Association, Vol. 21, No. 1, pp. 93~113 (in Korean).
3
Lee, G. P., Lee, S. W. and Hwang, J. H. (2009), Mechanical behaviour of rib-reinforced precast tunnel liner according to variable rib-reinforcement shapes, Journal of Korean Tunnelling and Underground Space Association, Vol. 11, No. 3, pp. 265~275 (in Korean).
4
Ma, S. J., Jang, P. S., Shin, J. Y. and Nam, K. W. (2008), The study on mechanical properties of PC panel with steam curing condition, Journal of Korean Tunnelling and Underground Space Association, Vol. 10, No. 1, pp. 17~24 (in Korean).
Information
  • Publisher :Korean Geo-Environmental Society
  • Publisher(Ko) :한국지반환경공학회
  • Journal Title :Journal of the Korean Geo-Environmental Society
  • Journal Title(Ko) :한국지반환경공학회 논문집
  • Volume : 24
  • No :12
  • Pages :13-18
  • Received Date : 2023-10-30
  • Revised Date : 2023-11-08
  • Accepted Date : 2023-11-20
  • DOI :https://doi.org/10.14481/jkges.2023.24.12.13
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