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UNDERGROUND DESIGN OF BOSTON'S CENTRAL ARTERY/TUNNEL PROJECT

Brian Brenner

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Abstract

Article describing construction and design of the massive Central Artery/Tunnel (CA/T) project in Boston, Massachusetts. This includes construction of an 8 to 10 lane underground highway tunnel through congested, historic downtown Boston, along with installation of a new harbor crossing with complex approach roads and interchanges. The CA/T Project, currently the largest transportation project in the U.S., features over six kilometers of different types of tunnels, including: (1) The Third Harbor Tunnel, an immersed tube harbor crossing; (2) Cut-and-cover tunnel approaches from East and South Boston; (3) A short immersed tube segment constructed over an existing subway tunnel; and (4) Cut and cover tunnels built under the existing Central Artery elevated highway in downtown Boston, while the road above remains in service.

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What this paper is about

Article describing construction and design of the massive Central Artery/Tunnel (CA/T) project in Boston, Massachusetts. This includes construction of an 8 to 10 lane underground highway tunnel through congested, historic downtown Boston, along with installation of a new harbor crossing with complex approach roads and interchanges. The CA/T Project, currently the largest transportation project in the U.S., features over six kilometers of different types of tunnels, including: (1) The Third Harbor Tunnel, an immersed tube harbor crossing; (2) Cut-and-cover tunnel approaches from East and South Boston; (3) A short immersed tube segment constructed over an existing subway tunnel; and (4) Cut and cover tunnels built under the existing Central Artery elevated highway in downtown Boston, while the road above remains in service.

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Available abstract

Article describing construction and design of the massive Central Artery/Tunnel (CA/T) project in Boston, Massachusetts. This includes construction of an 8 to 10 lane underground highway tunnel through congested, historic downtown Boston, along with installation of a new harbor crossing with complex approach roads and interchanges. The CA/T Project, currently the largest transportation project in the U.S., features over six kilometers of different types of tunnels, including: (1) The Third Harbor Tunnel, an immersed tube harbor crossing; (2) Cut-and-cover tunnel approaches from East and South Boston; (3) A short immersed tube segment constructed over an existing subway tunnel; and (4) Cut and cover tunnels built under the existing Central Artery elevated highway in downtown Boston, while the road above remains in service.

Key concepts: Downtown, Immersed tube, Engineering, Central business district, Railway tunnel, Civil engineering, Transport engineering, Archaeology

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UNDERGROUND DESIGN OF BOSTON'S CENTRAL ARTERY/TUNNEL PROJECT — Research Paper | ScholarLens