Field Instrumentation Program Vital to Deep Excavation Project
An extensive field instrumentation, monitoring and evaluation program was implemented for a seven-level deep excavation project in Boston. Using the observational approach, the information...

Temporary Lateral Support System for Historic Building Facades in Boston
This paper describes a system of vertically cantilevered structural steel trusses, designed by the author, that provided temporary lateral support for a group of five and six story, 120...

Performance of a Prestressed Rigid Frame During Removal of Column 6W from I93 in Boston, Massachusetts
The first phase of the suppression of Boston's Central Artery included the Early Viaduct Construction in the Central Artery North Area. This project required that Column 6W...

Permanent Structure as Part of the Underpinning System for Boston's Central Artery
The Central Artery, a major six lane structural steel viaduct, has been one of Boston's most significant roadways over the past three decades. Increasing congestion, accidents,...

Wrapping up Environmental Issues in an Embankment
Contamination on a construction site can lead to increased risk of unanticipated construction delays and increased costs. In response, some owners are opting for proactive approaches to...

Central Artery (I-93)/Tunnel (I-90) Project
This paper is intended to provide an overview of the Boston Central Artery/Tunnel Project (CA/T) Project; a $4.9 billion USD interstate highway constructed underground through a densely...

Geotechnical and Construction Aspects of the Immersed Tube Tunnel in Boston Harbor
An immersed tube tunnel (ITT) approximately 3,850 feet in length will be constructed as a part of the Central Artery/Tunnel Interstate Highway Project located in Boston, Massachusetts....

Seismic Design Issues for Immersed Tube Tunnels
This paper provides an overview of the issues and the state of the art techniques in the seismic design of immersed tube tunnels (ITT). Particular focus is given to the ITT presently planned...

Immersed Tube Tunnel, Boston, Massachusetts
A four-lane Immersed Tube Tunnel is planned for the crossing of Boston Harbor from the City of Boston to the Logan Airport area in East Boston. The immersed tube consists of 12 sections...

Boston Central Artery/Tunnel Project—Fort Point Channel I-90 Tunnel Crossing
Part of the Central Artery and Third Harbor Tunnel Project involves the construction of a very unusual section of immersed tunnel. While the Third Harbor Tunnel which will cross Boston...

Special Bedrock Conditions in Greater Boston
The Cambridge Argillite, a weakly metamorphosed shale, forms the major portion of the Boston Basin, a structural as well as topographic depression. In the greater Boston area, the argillite...

A New Graphic Technique for Reporting Soil Quality Analyses
Boston's Artery/Harbor Tunnel Project is currently the United States' largest highway construction project. One of its major issues is the disposal of an estimated...

Noise Control Program for the Boston Harbor Project
A noise control engineering program has been instituted for the Boston Harbor project to make the facility virtually inaudible at the property line. The program integrates the noise mitigation...

New Home for Boston Engineers

Applying TRANPLAN to Assist Air Quality Impact Analysis
Environmental analysts have been using the plotting capabilities of TRANPLAN, a transportation planning software package, to facilitate the analysis of air quality impacts of the Boston...

Siting the New Boston Harbor Outfall: Near-Field Analysis
In the near-field analysis for Boston's proposed Deer Island outfall to Massachusetts Bay, multiple initial dilution calculations were applied to estimate the frequency distribution...

Bay-Wide Model Studies for the Boston Ocean Outfall Siting
Oceanographic data and numerical models were used to evaluate candidate diffuser sites to discharge effluent from Boston's planned secondary treatment plant. The study showed...

Water and Sediment Quality Analyses for the New Boston Wastewater Outfall
This paper describes portions of the farfield hydrodynamic and water quality modeling conducted during preparation of the Boston Harbor Wastewater Conveyance System Supplemental Environmental...

Receiving Water Modeling for CSO Investigations in Boston Harbor
The computer models QUAL2EXP and TEA/ELA were used to model Combined Sewer Overflow (CSO) remediation alternatives in Boston Harbor and its major tributaries. The models were adapted to...

Design and Performance of a Deep Excavation Support System in Boston, Massachusetts

 

 

 

 

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