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The Major Problems and Countermeasures on the Shield

However, for the soft and hard interbedded strata, how to solve the problems of breaking the hard rock, increasing the tunneling efficiency and reducing the construction costs, are difficult problems in the shield tunnel construction.

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Thinking Outside the Box: A Misguided Idea | Psychology Today

The truth behind the universal, but flawed, catchphrase for creativity.

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Definitions and acronyms | WorkSafe

Definitions of some key terms, concepts and acronyms used on this and other associated websites

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Hard alloy shield cutter Unground Surface for tunnel boring

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A 암페어. Abbe's Principle 아베의 원리. aberration 수차. ablation 융제. ablator 애블레이터. ABM 탄도탄 요격 미사일. abnormal explosion 이상 폭발

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Tunnel Boring Machine (TBM) - railsystem

Tunnel Boring Machine (TBM) A tunnel boring machine (TBM) also known as a “ mole “, is a machine used to excavate tunnels with a circular cross section through a variety of soil and rock strata. They can bore through hard rock, sand, and almost anything i

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