Diriyah’s continued era of culture and commerce
You have spent five decades in global hospitality across some of the world’s most recognised destinations. When Crown Prince Mohammed…
Interview
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Tarcisio B. Celestino – Interview
Tarcisio B. Celestino began his career in tunnelling, as did so many, as a civil engineer.“But even though I graduated…
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STUVA 2023
The latest bi-annual Conference and Expo organised by STUVA (Research Association for Tunnels and Transportation Facilities), in Germany, will take…
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Small bores, big impacts
In conversations with industry, TTNA asked what is seen happening in the trends and activities in the trenchless, no-dig and…
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Antonia Cornaro – Interview
As with so many of the people we have interviewed for T&T, tunnelling was a coincidence (or calling?) in the…
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Tunnelling in the high Himalayas
Himalayas, the gigantic mountain range stretching for almost 2400km in Asia and having some of the highest peaks in the…
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Why did that happen – failures below ground
INTRODUCTION When a failure occurs, there is a tendency to blame an external environmental culprit (often the ground) and then…
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Dr Donald Lamont Interview
Tunnelling is an inherently dangerous undertaking. Human beings go deep underground, into narrow and confined spaces amid dust and damp…
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Ensuring the seals on immersed tunnels
The discussion on the design of rubber sealing systems to keep out water from immersed tube tunnels – long tubes…
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Design and construction of a cavern in downtown LA
Carlos Herranz began by first explaining that the term sequential excavation method (SEM) is the North American designation for sprayed…
