Publications

Our dedicated team of experts are authors and co-authors of several technical papers on the subject of tunneling and geotechnical engineering.

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Risk Reduction, Management, and Mitigation from Experience‑Based Learning During Construction of Cross Passages, Seattle, Washington

Synopsis: Cross passages are critical elements in transit and highway tunnels, providing a means of safe emergency egress between adjacent

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Conventional Tunneling in Difficult Grounds

Synopsis: Conventional tunneling as defined by ITA’s Working Group 19 is being used more and more in difficult grounds. This

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3D Numerical Parametric Study of the Influence of Open-Pit Mining Sequence on Existing Tunnels

Synopsis: The development of open-pit mines can adversely affect and even damage existing access tunnels. To ensure the safety and

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Recent Trends in Conventional Tunneling (SEM/NATM) in the US

Synopsis: Conventional tunneling as defined by ITA WG19 is also known as the New Austrian Tunneling Method (NATM) or Sequential

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Innovative Rehabilitation Approach for Overstressed Existing Linings Using an Adaptable Yielding Support System

Synopsis: Yielding support systems for application in underground construction have a long history, primarily in mining. Typical examples are tunnels

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Design and Construction Aspects of Pneumatically Applied Concrete Final Tunnel Linings.

Synopsis: The East Side Access Project (ESA) involves the construction of geometrically complex underground structures including a large number of

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Urban Tunneling: The Vauxhall Underground Station Upgrade, SEE Tunnel – Promoting Tunneling in SE European Region

Synopsis: The Vauxhall Station Upgrade project is currently under construction in London, UK by Bechtel Ltd. (Bechtel) as the main

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Large Cross Sections for Soft Ground and Soft Rock Conventional Tunneling Projects in Urban Areas – Recent Developments in the US

Synopsis: With the demand for tunnels growing, especially in urban areas, the ability to construct these tunnels without disrupting congested

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