December 2020
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Digital
Boring a tunnel under a train station using ground freezing: Line 14-T03 – Extension of a subway line in Paris
FIG.1 Plan view of the L14-3 project. This article presents the outlines of the ground freezing works of the Line…
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Emerging Tech
Construction of the Albany Park stormwater diversion tunnel
Flooding has been a decades-long concern for the residents of the Albany Park neighborhood of Chicago, IL. Following a catastrophic…
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Digital
Long-distance annulus backfilling of a rehabilitated sewer tunnel
FIG.1 Typical cross-section of the Colsman Tunnel. Source: Dewberry Engineers, 2019. The Colsman Tunnel, located in Greenwood Village and Centennial,…
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Tunnel Boring
Main beam tunnel boring machine carves out win in Louisville, KY
On Sept. 22, 2020, a Robbins Main Beam TBM broke through at the Ohio River Tunnel in Louisville, KY. A…
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