Advancements in Large Diameter TBM Tunneling

Advancements in Large Diameter TBM Tunneling

Over the past two decades soft ground and mixed face TBM tunnels have increased in diameter such that the term ‘large diameter TBM tunnel’ has become common usage. However, there is no actual definition of what constitutes ‘large.’ Therefore, in this article ‘large’...
CEOs Need Help Navigating The Sustainability-Oriented New World

CEOs Need Help Navigating The Sustainability-Oriented New World

The emergent environmental sensibilities in today’s C-suites require new kinds of CEOs who are willing to establish far-off goals for their companies that they won’t personally accomplish—and who seek unaccustomed and sometimes uncomfortable collaboration with other...
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