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(사)한국터널지하공간학회

ISSN : 2233-8292

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Vol.9 No.2

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Comparison and validation on shotcrete modelling method for the quantitative stability estimation of a tunnel

(사)한국터널지하공간학회 / (사)한국터널지하공간학회, (P)2233-8292; (E)2287-4747
2007, v.9 no.2, pp.99-107



& (2007). Comparison and validation on shotcrete modelling method for the quantitative stability estimation of a tunnel. (사)한국터널지하공간학회, 9(2), 99-107.

Abstract

method was suggested by You et al. (2000) to calculate safety factor of a tunnel based on numerical analysis with the shear strength reduction technique. In the method, the shotcrete is assumed to fail when its stress exceeds the allowable stress. The proposed method had been steadily developed by You et al. (2005) and Han et al. (2006). In this study, the previous routine was corrected so that tunnel construction sequences could be considered in calculating the safety factor of a tunnel. In addition, a proper way to model shotcrete is to be suggested by comparing with the previous studies.

keywords
터널의 안전율, 시공단계, 숏크리트 모델링, 전단강도감소기법, Safety factor of a tunnel, construction sequence, shotcrete modelling, shear strength reduction technique, Safety factor of a tunnel, construction sequence, shotcrete modelling, shear strength reduction technique

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