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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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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Innovative Rehabilitation of Existing Tunnels Under Minimum Impact on Operation

Synopsis: The authors have successfully developed an innovative rehabilitation concept, which meets actual technical standards and minimizes the impact on

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Self-Bearing Shotcrete in Lieu of Self-Consolidating Concrete for Tunnel Rehabilitation

Synopsis: Pennsylvania Department of Transportation’s almost 100 year old Liberty Tunnels underwent significant rehabilitation measures, including the replacement of aging

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NATM Excavation and Support Design and Construction of the Caldecott Fourth Bore

Synopsis: The two-lane, 1,036 m long (3,399 ft) Caldecott Fourth Bore opened to traffic in November 2013 and along with

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Istanbul Strait Road Tube Crossing Project: Independent Design Verification Engineer’s Perspective

Synopsis: The iconic Istanbul Strait Road Tube Crossing Project (Eurasia Tunnel) will ease traffic congestion over the Bosphorus Strait separating

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