2018年4月1日 · In this paper, the cutterhead torque of the modified earth pressure balance (EPB) tunnel-boring machine (TBM) in mixed-face ground is analyzed. The theoretical model of the …

2024年4月1日 · In EPB TBM tunnelling active tunnel face support is achieved in soft and mixed ground or weak and unstable rock by generating a pressurized earth paste in the tool gap and …

2022年4月26日 · The EPB TBM turns the excavated material into a soil paste that is used as a pliable, plastic support medium. This makes it possible to balance the pressure conditions at …

2024年6月15日 · The EPB-TBM is a specialized type of TBM designed for excavating tunnels in soft ground conditions where there is a high risk of ground settlement or water ingress. The …

The radial opening ratio should be fully considered when designing TBM cutterheads. The opening ratio of cutterheads, the area ratio of the cutterhead openings to the entire cutterhead, …

Geosynthetic materials have transformed tunnel engineering into a precision science, resolving historical dilemmas of waterproofing, ground stabilization, and environmental impact. The …

2013年3月27日 · 본 발명은 터널 보링머신(Tunnel Boring Machine, TBM)에 장착하여 전방의 지질을 예측할 수 있도록 구성되는 전방 지질 예측을 위한 선진 시추공을 이용한 TBM 장착 지반평가 …

6 天之前 · The ECB provides multimedia resources to help young people, students and the general public learn more about basic economic concepts. The Central Bank of Cyprus e …

2025年1月4日 · 欧洲中央银行（法语： Banque Centrale Européenne ；德语： Europäische Zentralbank ；英语： European Central Bank ），简称欧洲央行、ECB，为欧盟 欧元区的中央 …

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