A Study on Joint by Two-Stage Excavation in Tunnel

2단계로 굴착되는 터널의 절리에 대한 연구

  • 변광욱 (아주대학교 건설교통공학과) ;
  • 안정환 (㈜동호(구 금호엔지니어링)지반공학부) ;
  • 김동갑 (㈜동호(구 금호엔지니어링)지반공학부) ;
  • 이상덕 (아주대학교 환경건설교통공학부)
  • Published : 2005.06.01


Recently, the surrounding rock mass is understood as the major support system for the tunnel constructed in the rock mass. Generally, the rock mass contains many discontinuity planes such as joints, and thus, the tunnel behavior in the rock mass is governed by the characteristics of the discontinuity planes. In this study, the behavior of tunnel in jointed rock mass is studied by model tests and numerical analyses. The results shows that the behavior of tunnel depends on the different initial stress conditions, in case that the tunnel is excavated in the ground without any joints. When a joint is located near the tunnel, the pound stress and displacement tend to increase between the tunnel and the joint.


  1. Goodman R.E., Taylor R.L. and Brekke T.L, 1968, A model for the mechanics of jointed rock. J. of the Soil Mech. and Found. Div. Proc. of A.S.C.E, Vol.94, No.SM3 pp. 637-657
  2. Zienkiewicz O.C. and Pande G.N., 1977, Time-dependent multilaminate model of rocks - A numerical study of deformation and failure of rock masses. lnt. J. for Num. Anal. Meth. in Geomech. Vol.1, pp. 219-247 https://doi.org/10.1002/nag.1610010302
  3. Beer G., 1985, An isoparametrk joint/interface element for finite element analysis. lnt. Num. Meth. in Eng., Vol.21, pp. 585-600 https://doi.org/10.1002/nme.1620210402
  4. 김동갑, 박승준, 이상덕, 2004, 균질지반에서 2단계로 굴착되는 터널의 거동특성에 대한 실험적 연구, 터널과 지하공간, 한국암반공학회, Vol 14, No. 5, pp. 345-352
  5. Wilson E.L., 1977, Finite elements for foundations, joints and fluids. In 'Finite elements in geomechanics' G. Gudehus(Ed.), Wiley, chester
  6. Kirsch, G., 1898, 'Die theorie der elastizitat und die bedurfnisse der festigkeitslehre', Veit. Ver. Deut. lng., Vol. 42, No. 28, pp. 797-807
  7. 박승준, 김동갑, 이상덕, 2004, 절리지반에서 2단계로 굴착되는 터널의 거동특성에 대한 실험적 연구, 한국터널공학회 학술논문집 터널기술, Vol 6, No.4, pp. 303-313