A Design and Operation of EPBM Applied in Fort Canning Boulder Bed of Singapore

Journal of Korean Society for Rock Mechanics Pub Date : 2015-10-31 DOI:10.7474/TUS.2015.25.5.417

U. Kim, Seung-hwan Noh, S. Noh

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引用次数: 1

Abstract

Abstract 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. Key words Tunneling in boulder bed, EPBM design, Cutter wear, Soil conditioning초 록 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 쉴드 TBM의 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 . 핵심어 볼더지반 터널링, 토압식 쉴드TBM 설계, 커터 마모, 쏘일 컨디셔닝

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新加坡坎宁堡卵石床EPBM的设计与运行

Abstract 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关键字Tunneling in boulder bed, EPBM design, Cutter wear, Soil conditioning超录本论文将利用TBM挖掘隧道时切割刀的磨损和破损;随之而来的挖掘速度下降和美工交替带来的空气因延迟等对整个项目造成严重影响,前石层地基关于隧道,内容很稠密,坚硬的状态的粘土地基是强的强度的作品包括岩石的新加坡端口扫描更看到床(沃斯canning boulder bed,fcbb)上看到隧道的经验为基础,更通过层夯土式希尔德tbm的设计及施工时需要考虑的主要事项及更看到地基中的巨大开始磨损和破损的特性,黏土及岩石混合可温和的地盘上的苏日等内容的技术,对今后类似地盘上的隧道项目,希望大家参考。核心技术地基隧道、土压式盾形TBM设计、切割磨损、发射检测

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Journal of Korean Society for Rock Mechanics

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