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(사)한국터널지하공간학회

ISSN : 2233-8292

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Vol.16 No.4

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Analysis of ground behavior for model tunnel excavation with pipe roof reinforcement using close range photogrammetric technique

(사)한국터널지하공간학회 / (사)한국터널지하공간학회, (P)2233-8292; (E)2287-4747
2014, v.16 no.4, pp.387-402


& (2014). Analysis of ground behavior for model tunnel excavation with pipe roof reinforcement using close range photogrammetric technique. (사)한국터널지하공간학회, 16(4), 387-402.

Abstract

In congested urban areas, constructions of tunnel structures have became necessary due to a lack of surface space. The excavation of any tunnel generated the ground disturbances of surrounding ground and displacements is major concern. Therefore, a study of tunnel stability is necessary. In this study, the authors have investigated the stability and failure pattern of tunnel through the model tunnel test. In this study, the close range photogrammetry was used to measure the ground deformation. The measured data was converted to displacement vectors and contours. And then it compared to FE analysis and empirical formula. In addition, this study presented the comparison between steel pipe reinforced model tunnel and unreinforced model tunnel. The ground deformation for both the steel pipe reinforced model tunnel and the unreinforced model tunnel was analysed.

keywords
Model tunnel, Close range photogrammetry, Ground surface settlement, steel pipe reinforcement, Image processing, 모형 터널, 근거리 사진계측기법, 지표면 침하, 강관 보강, 이미지 프로세싱

Reference

1.

1. Lee, Y.J. (2004), “Tunnelling adjacent to a row of loaded piles”, Department of Civil and Environmental Engineering, University College London, June 2004.

2.

2. Lee, Y.J. (2006), “Comparison of shallow model tunnel test using image processing and numerical analysis”, Journal of Korean Geotechnical Society, Vol. 22, No. 7, pp. 5-12.

3.

3. Lee, Y.J., Song, G.J. (2010), “Shearing characteristics of aluminium rods using plane strain - shear box test and close range photogrammetric technique”, Journal of Korean Geotechnical Society, Vol. 26, No. 8, pp. 5-14.

4.

4. Lee, J.H., Lee, J.M., Lee, C.N., Lee, Y.J. (2012), “Deformation measurment of model ground using close range photogrammetric technique”, KGS Fall National Conference 2012 Poster session P8_03.

5.

5. Lee, J.H., Kong, S.M., Ryu, Y.H., Ku, J.C., Kim, I.S., Lee, Y.J. (2014), “Numerical analysis on direct-boring multi-pipe grouting method for tunnel reinfrcement”, KGS Spring National Conference 2014 Poster session P4_06.

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