터널의 정보화 설계시공을 위한 키블럭 해석기법
Key block analysis method for observational design and construction method in tunnels
0
조회
0
다운로드
0
인용
0
참고문헌
키워드
초록
Recently, the observational design and construction method in tunnels has been becoming important. Rock masses include various discontinuities such as joints, faults, fractures, bedding planes, and, cracks. The behavior of tunnels in hard rocks, therefore, is generally controlled by various discontinuities. In this study, a new key block analysis method for observational design and construction method in tunnels is proposed, and then applied to the actual tunnel with a super-large cross-section. The proposed analysis method considers finite persistence of discontinuities. The new analysis method can handle concave and convex shaped blocks. To demonstrate the applicability of this key block analysis method for observational design and construction method in tunnels, the analysis results are examined and compared with those of the conventional method.
Abstract
Recently, the observational design and construction method in tunnels has been becoming important. Rock masses include various discontinuities such as joints, faults, fractures, bedding planes, and, cracks. The behavior of tunnels in hard rocks, therefore, is generally controlled by various discontinuities. In this study, a new key block analysis method for observational design and construction method in tunnels is proposed, and then applied to the actual tunnel with a super-large cross-section. The proposed analysis method considers finite persistence of discontinuities. The new analysis method can handle concave and convex shaped blocks. To demonstrate the applicability of this key block analysis method for observational design and construction method in tunnels, the analysis results are examined and compared with those of the conventional method.
참고문헌 (17)
- Dershowitz, W. S, "Rock Joint Systems", 박사, pp.1984
- Goodman, R. E, "Block Theory and its Application to Rock Engineering" (1985), Prentice-Hall
- Hwang, J.Y, "Stability Evaluation of Rock Blocks in Tunnels for Observational Method", 박사, pp.2003
- Hwang, J.Y, "Quick Evaluation Method for Discontinuity Properties by Vision Metrology for Observational Design and Construction Method in Tunnels", Proc. 33rd Rock Mech., pp.187~192 (2004), JSCE
- Kulatilake, P. H. S, "Joint network modeling with a validation exercise in stripa mine, sweden", International Journal of Rock Mech. Min. Sci. & Geomech. Abstr., 30(5), pp.503~526 (1993)
- Long, J. C. S, "From field data to fracture network modeling: an example incorporating spatial structure", Water Resources Research, 23(7), pp.1201~1216 (1987)
- Mardia, K. V, "Statistics of Directional Data" (1972), Academic Press Inc.
- Ohnishi, Y, "Numerical methods and tunneling", Proc. of the Fourth International Summer Symp., pp.1~21 (2002), JSCE
- Ohnishi, Y, "Evaluation of stability of excavated jointed rock mass by block theory", Journal of Geotechnical Engineering, (364), pp.209~218 (1985), JSCE
- Ohnishi, Y, "Methods of estimation for geometric distributions of rock joints", Journal Geotechnical Engineering, (499), pp.59~68 (1994), JSCE
- Pahl, P. J, "Estimating the mean length of discontinuity traces", International Journal of Rock Mech. Min. Sci. & Geomech. Abstr., 18, pp.221~228 (1981)
- Pollard, D, "Progress in Understanding Jointing over the Past Century", Geol. Soc. of America Bulletin, 100, pp.1181~1204 (1988)
- Priest, S. D, "Discontinuity Analysis for Rock Engineering" (1993), Chapman & Hall
- Shi, G. H, "Three dimensional discontinuous deformational analyses", Proc. Fourth International Conf. on Analysis of Discontinuous Deformation, pp.1~21 (2001)
- Warburton, P. M, "A stereological interpretation of joint trace data", International Journal of Rock Mech. Min. Sci. & Geomech. Abstr., 17, pp.181~190 (1980)
- Yu, Q, "Analyses for Fluid Flow and Solute Transport in Discrete Fracture Network", 박사, pp.2000
- Zhang, L, "Estimating the intensity of rock discontinuities", International Journal of Rock Mech. Min. Sci., 5, pp.819~837 (2000)