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싱가포르 포트캐닝 전석층에 적용된 EPBM의 설계 및 시공
김욱영(Uk Young Kim),노승환(Seung Hwan Noh),노상림(Sang Rim Noh) 한국암반공학회 2015 터널과지하공간 Vol.25 No.5
본 논문은 TBM을 이용한 터널 굴착에서 커터의 마모 및 파손, 그에 따른 굴착속도 저하와 커터교체에 따른 공기 지연 등으로 인하여 프로젝트 전반에 심각한 영향을 미치는 전석층 지반 터널링에 관한 내용으로, 매우 조밀하고 단단한 상태의 점토지반에 강한 강도를 지니는 암석을 포함하는 싱가포르 포트캐닝 볼더베드(Fort Canning Boulder Bed, FCBB)에서의 터널링 경험을 바탕으로 볼더층을 통과하게 되는 토압식 쉴드TBM의 설계 및 시공 시 고려해야 할 주요 사항 및 볼더지반에서의 커터 마모 및 파손 특성, 점토 및 암석이 혼재된 지반에서의 쏘일 컨디셔닝 등의 내용을 기술하였으며, 향후 유사 지반에서의 터널링 프로젝트에 참고가 되길 기대한다. This paper introduces the design and operational considerations for TBM tunneling in boulder bed which poses significant problems in terms of advance rate and machine wear. Managing these problems is difficult since normal soil investigation techniques do not accurately predict the presence and frequency of boulders. This has leads to considerable extra costs and delays during construction. In this paper, EPBM design and operational parameters, cutter wear characteristics and soil conditioning method in soft ground condition were studied and key successes were highlighted for future projects in similar ground condition.
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조연철,김욱영 啓明大學校 生活科學硏究所 2005 科學論集 Vol.31 No.-
Purpose of this study was to identify Influence of Taekwondo training to character building of pupil. To reach the purpose, 376 out of 400 pupils who participate in Taekwondo training were sampled from Susung gu area in Taegu. Questionnaire data were obtained from all subject by self-administration method. ANOVA was conducted to exam the study and SPSS/PC 10.0 program was used. Results of the analysis could be summarized as the following. First, Encouragement of parent is very affective for the Taekwondo training of pupil. Second, Character present no difference between gender. Third, 3rd grade pupils present high score in sense of stability and intellectual growth. Fourth, Length of training period affect to intellectual growth, The longer training, the higher intellectual growth. Fifth, The pupil who decided to training by himself present high score in sociality and behavior attitude. Sixth. Relation of gender, training and Characteristic present no difference in stability, intellectual growth, sociality and behavior attitude. Seventh, Relation of gender, participation inducement and Characteristic present no difference in stability, intellectual growth, sociality and behavior attitude. Eighth, In relation of gender, training intention and characteristic, Stability of the pupils who intent to training for future present high score than others. Ninth, In relation of grade, training inducement and characteristic, Stability, sociality and behavior attitude of pupils who decide to training by himself present high score than others. Tenth, In relation of grade, training intention and characteristic, stability, intellectual growth, sociality and behavior attitude of pupil who intend to participate in the future present high score than others.
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