Chapter
May 1, 2023
Green Light the Green Line
Authors: Jason C. Varney, M.ASCE [email protected], Paul M. Schuman, Ph.D. [email protected], and Daniel R. Cook, M.ASCE [email protected]Author Affiliations
Publication: Structures Congress 2023
ABSTRACT
A partial collapse at the Government Center Garage in downtown Boston involved three concrete beams and a construction vehicle impacting the ground directly over a portion of the Massachusetts Bay Transportation Authority’s (MBTA’s) Green Line in the Haymarket Tunnel. Collapses are complicated, often tragic, events, and the Haymarket Tunnel is a complex structure. With service ceased, the MBTA needed to promptly understand the implications of the collapse on their infrastructure. Our team responded quickly and creatively with a pragmatic approach, leveraging field observations, analyses of varying complexity, and proof testing to give the MBTA confidence that it was safe to resume Green Line train service.
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Published In
Structures Congress 2023
Pages: 206 - 216
History
Published online: May 1, 2023
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ASCE Technical Topics:
- Architectural engineering
- Beams
- Building systems
- Business management
- Concrete beams
- Forensic engineering
- Geotechnical engineering
- Government
- Infrastructure
- Light (artificial)
- Material failures
- Materials characterization
- Materials engineering
- Organizations
- Practice and Profession
- Rail transportation
- Structural engineering
- Structural failures
- Structural members
- Structural systems
- Subways
- Sustainable development
- Transportation engineering
- Tunnels
Authors
Affiliations
P.E.
Simpson Gumpertz & Heger, Inc. Email: [email protected]
P.E.
Simpson Gumpertz & Heger, Inc. Email: [email protected]
P.E., S.E., P.Eng.
Simpson Gumpertz & Heger, Inc. Email: [email protected]
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ASCE Library Cards let you download journal articles, proceedings papers, and available book chapters across the entire ASCE Library platform. ASCE Library Cards remain active for 24 months or until all downloads are used. Note: This content will be debited as one download at time of checkout.
Terms of Use: ASCE Library Cards are for individual, personal use only. Reselling, republishing, or forwarding the materials to libraries or reading rooms is prohibited.
Terms of Use: ASCE Library Cards are for individual, personal use only. Reselling, republishing, or forwarding the materials to libraries or reading rooms is prohibited.