Stability analysis of shield tunnel segment lining by field measurement and full scale bending test

Gyu-Phil Lee; Soo-Ho Chang

doi:10.9711/KTAJ.2019.21.5.611

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2019 Vol.21, Issue 5 Preview Page Next Page

Research Paper

Stability analysis of shield tunnel segment lining by field measurement and full scale bending test 실대형 하중재하 시험 및 현장계측을 통한 쉴드터널 세그먼트 안정성 분석

30 September 2019. pp. 611-620

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Abstract

The shield tunnel was mostly applied to cable tunnel with a diameter of 3~4 m, recently 7.8 m diameter shield tunnel was constructed in the lower section of the Incheon International Airport runway and is planning or under construction to roads and railway tunnels in the lower section of the Han River. Segments are also becoming larger as the shield tunnel cross-section increases, which causes a number of problems in the design, construction, and performance evaluation of segments. In this study, segment lining structural safety, criteria for serviceability check considering axial forces and quality control method for approximately 8 m in diameter shield tunnel were reviewed by field measurements and full scale bending test.

Keywords

Shield tunnel

Segment

Field measurement

Bending test

쉴드터널은 직경 3~4 m 규모의 전력구 등에 주로 적용되었으나, 최근 직경 7~8 m 규모의 쉴드터널이 인천국제공항 활주로 하부에 시공되었으며, 한강 하저구간 도로 및 철도터널 시공완료 및 계획중에 있다. 쉴드터널 단면이 증가함에 따라 세그먼트 또한 대형화되고 있으며, 이로 인하여 세그먼트의 설계, 시공 및 성능평가 시 여러 문제점이 야기되고 있다. 따라서 본 연구에서는 직경 약 8 m 규모의 쉴드터널에 대한 현장계측 및 실대형 하중재하 시험을 통하여 쉴드터널 세그먼트 라이닝 구조적 안정성 분석, 축력을 고려한 세그먼트 사용성 검토방안의 적합성 및 품질관리 방안에 대하여 검토하였다.

키워드

쉴드터널

세그먼트

현장계측

휨시험

References

Lee, G.P., Bae, G.J., Kang, T.S., Chang, S.H., Choi, S.W. (2014), “Analysis of segment lining cracking load considering axial force by varying boundary condition”, Journal of Korean Tunnelling and Underground Space Association, Vol. 16, No. 2, pp. 173-180.

10.9711/KTAJ.2014.16.2.173

Lee, G.P., Chang, S.H., Bae, G.J., Choi, S.W., Ahn, C.Y. (2017), “Evaluation of shield TBM segment acting load through monitoring data back analysis”, Journal of Korean Tunnelling and Underground Space Association, Vol. 19, No. 6, pp. 905-913.

Lee, G.P., Hwang, J.H., Shin, H.S., Hong, S.K. (2010), “Mechanical behaviour of waterway culvert structure assembled by precast segments”, Journal of the Korean Tunnelling Association, Vol. 12, No. 2, pp. 193-200.

Lee, G.P., Park, Y.T., Choi, S.W., Bae, G.J., Chang, S.H., Kang, T.S., Lee, J.S. (2012), “An experimental study on mechanical behavior of shield segment with high-strength concrete and high-tension rebar”, Journal of Korean Tunnelling and Underground Space Association, Vol. 14, No. 3, pp. 215-230.

10.9711/KTAJ.2012.14.3.215

Information

Publisher :Korean Tunneling and Underground Space Association
Publisher(Ko) :한국터널지하공간학회
Journal Title :Journal of Korean Tunnelling and Underground Space Association
Journal Title(Ko) :한국터널지하공간학회 논문집
Volume : 21
No :5
Pages :611-620
Received Date : 2019-05-30
Revised Date : 2019-07-24
Accepted Date : 2019-08-02
DOI :https://doi.org/10.9711/KTAJ.2019.21.5.611

Journal of Korean Tunnelling and Underground Space Association ISSN:2233-8292(Print) 2287-4747(Online) 한국터널지하공간학회 논문집

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