한국지반공학회논문집 (Journal of the Korean Geotechnical Society)

  • 제37권9호
  • /
  • Pages.37-50
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  • 2021
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  • 1229-2427(pISSN)
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  • 2288-646X(eISSN)
한국지반공학회 (Korean Geotechnical Society)
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대심도 도심지 터널시공에 의한 기존 지하철 터널 안전영향 평가

Safety Effect Evaluation of Existing Metro Tunnel by Deep Urban Tunnelling

  • Han, Sang-Min (Civil Division, DL Engrg. and Construction(DL E&C)) ;
  • Lee, Dong-Hyuk (Dept. of Civil and Environmental Engrg., Hanyang Univ.) ;
  • Lee, Sung-Ho (Dept. of Civil Engrg., Sangji Univ.)
  • 투고 : 2021.09.01
  • 심사 : 2021.09.17
  • 발행 : 2021.09.30
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초록

최근 도심지구간에서 지하공간을 활용한 도시 기반시설 구축으로 인하여 시설물 상호 간의 인접한 근접 시공이 많이 이루어지고 있으며, 근접시공으로 인한 기존 시설물의 안정성과 관련된 민원이 상당한 이슈가 되고 있다. 본 연구에서는 대심도 도심지 구간에 신설되는 도시철도 터널의 근접시공으로 인한 기존 지하철의 터널구조물의 거동특성을 파악하기 위해 동북도시철도 터널이 계획된 노선 상부의 지하철 6호선 터널구조물을 대상으로 연구를 수행하였다. 기존 지하철 터널구조물의 안전영역 평가 및 굴착방법에 대한 개략적인 검토와 수치해석을 통한 상세검토를 수행하였으며, 건물 손상도 평가, 궤도틀림 및 구조물 안정성 검토결과 근접시공에 따른 지하철 터널 구조물 및 주변 건물의 안정성은 확보되는 것으로 평가되었다. 본 연구는 대심도 도심지 터널 건설에 따른 기존 터널 구조물 및 주변 건물의 안정성에 미치는 영향을 평가할 수 있는 실용적인 참고 자료뿐만 아니라 터널 지하안전영향평가에 대한 실무 적용사례로 활용될 수 있을 것으로 사료된다.

Recently, due to the expansion of urban infrastructure using underground spaces in urban areas, many adjacent constructions and excavations have been made carried out between existing facilities, and complaints related to the stability of existing facilities due to close construction have become significant issues. In this study, it was closely reviewed for the existing metro tunnel structure in the new Dongbuk urban metro railway to determine the behavioral characteristics of tunnel structure according to adjacent tunnel construction. Also, it was analysed the evaluation of the safety zone and excavation method for metro tunnel structure. And after a detailed damage assessment, track irregularities and structural calculation by using a numerical analysis, stability of the metro tunnel structure according to nearby tunnel excavation was evaluated to be secured for safety. This study is expected to be applied as practical reference to review the evaluation of safety effects of existing tunnel structure and buildings according to adjacent construction in complex deep urban tunnelling.

키워드

참고문헌

  1. Attewell, P. B. (1977), Ground Movements Caused by Tunnelling in Soil, Proc. of International Conference on Large Movements and Structures, London, pp.812-948.
  2. Attewell, P. B., Yeates, J., and Selby, A. R. (1986), Soil movements induced by tunnelling and their effects on pipelines and structures, Blackie, Glasgow.
  3. Bjerrum, L. (1963), Allowable Settlement of Structures, Proc., 3rd European Conf. on Soil Mechanics and Foundation Engineering, Vol.2, Weisbaden, Germany, pp.135-137.
  4. Boscardin, M. D. and Cording, E. J. (1989), Building Response to Excavation-induced Settlement, Journal of Geotechnical Engineering Division, ASCE, Vol.115, No.GT1, pp.1-21. https://doi.org/10.1061/(ASCE)0733-9410(1989)115:1(1)
  5. Burland, J. B. (1997), Assessment of Risk of Damage to Buildings due to Tunnelling and Excavation, Earthquake Geotechnical Engineering, Ishihara(ed.), Balkema, Rotterdam, pp.1189-1201.
  6. Burland, J. B. and Wroth, C. P. (1974), Settlement of Buildings and Associated Damage, Proceedings of a Conference on Settlement of Structures, Cambridge, pp.611-654.
  7. Chung-Sik Yoo, et al. (2009), Ground Subsidence by Decreasing of Groundwater during the Tunnel Construction in Urban Areas - Case Study and Numerical Analysis, Journal of Korean Society of Geotechnical Engineering, Vol.25, No.3, pp.49-56 (in Korean).
  8. Cording, E. J. and Hansmire, W. H. (1975), Displacements Around Soft Ground Tunnels, In Proceedings of the 5th PanAmerican Congress on Soil Mechanics and Foundation Engineering, Buenos Aires, Session IV, pp.571-632.
  9. Ji-Seung Jung et al. (2016), A Study on the Behaviour of Station Structures due to Adjacent Construction, Journal of Korean Geo-Environmental Society, Vol.17, No.4, pp.55-64 (in Korean).
  10. Korea Institute of Construction Technology (2019), Planning and research on smart construction and maintenance of deep underground spaces for improving urban performance (in Korean).
  11. Lee, S. R., Woo, S. W., and Choi, C. S. (2010), Incheon Metropolitan Urban Railroad Line 2 (Construction Section 206) Project Tunnel Design Case, Journal of the Korean Society of Civil Engineers, Vol.58, No.7, pp.33-40 (in Korean).
  12. Lee, Y. J. (2004), Tunnelling adjacent to a row of loaded piles, Ph. D Thesis, University College London.
  13. Ministry of Land, Infrastructure and Transport (2020), Standard Manual for Underground Safety Effect Evaluation, pp.1-222 (in Korean).
  14. Seoul Metro (2001), Practical manual for Adjacent Construction in Urban Metro, pp.1-222 (in Korean).
  15. Seoul Metro (2013), Consultation procedure for adjacent excavation in subway, pp.1-4 (in Korean).
  16. Shin, S. Y., Lee, J. S., and Park, Y. G. (2009), A Study on the Stability of the Existing Subway Structure due to Nearby Construction of New Railway Line, Conference of the Korean Society for Railway, Korean Society for Railway, pp.2148-2165 (in Korean).
  17. Sowers, G. F. (1962), Shallow foundations, chapter 6 in foundation engineering, ed. by G.A. Leonards, McGraw-hill, Inc., New York, pp.525-641.
  18. Young-Geun Kim (2021), Evaluation of the Safety Effect of the Tunnel in Urban Deep Tunnelling, Journal of the Korean Tunnel and Underground Space Association, pp.63-78 (in Korean). https://doi.org/10.9711/KTAJ.2014.16.1.063