Korea University · Engineering
Hangseok Choi 교수의 연구실은 지반공학 및 터널링 분야에서의 안정성 분석과 지속가능한 인프라 개발을 중심으로 연구를 진행하고 있습니다. 특히, 산사태 안정성 평가, 시멘트 기반 지질보강의 거동 해석, 터널명확화기(TBM) 터널링의 위험 관리 모델 개발 등 실용적 문제 해결에 초점을 맞추고 있습니다. 수치 해석과 실험적 방법을 융합한 고도화된 분석 기법 개발이 핵심 연구 방향입니다.
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This paper presents recommendations for selecting the type and magnitude of drained shear strength parameters for analysis of landslides. In particular, the importance, existence, and use of the cohesion shear strength parameter is reviewed. For slope stability analyses, it is recommended that the shear strength be modeled using a stress dependent failure envelope or a friction angle that corresponds to the average effective normal stress acting on the slip surface passing through that particula
Abstract The groutability depends on the properties of the grout, its injection processes, and on the mechanical properties of the soil formation. During the process of pouring cement‐based grouting into a porous medium, a variation with time occurs in the viscosity of grout suspension. In addition, the particle filtration phenomenon will limit the expansion of the grouted zone because cement particles are progressively stagnant within the soil matrix. In this paper, a closed‐form solution was d
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