Highway & Tunnel

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Minera Escondida, Organic Growth Project 1, Tunnel 4

Atacama Desert, Chile

Project Contacts: Jesse Beaver

Expansion of the Minera Escondida copper mine included constructing a corrugated steel structural plate arch tunnel. The tunnel acts as a buried bridge to carry a haul road over the mine’s conveyor system. During construction of the...

Services:Structural Investigation, Structural Rehabilitation

Markets:Highway & Tunnel

Keywords:Buried, Condition Assessment, Culverts and Storm Drains, Damage, Finite Element Analysis, International, Metal, Metal pipe, Metal-Steel, Pipe, Pipe, Steel, Pipeline, Settlement, Structural Adequacy Assessment, Tunnel

Bingham Canyon Mine

Salt Lake City, UT

Project Contacts: Jesse Beaver, Phillip Sharff

A conveyor belt runs along one of the canyon benches at the copper mine. The upper slope of the canyon was undergoing a slow and predictable landslide transverse to the conveyor belt. To protect the conveyor belt from falling debris due to the...

Services:Structural Investigation

Markets:Highway & Tunnel

Keywords:Buried, Culverts and Storm Drains, Failure Investigation, Finite Element Analysis, Metal-Steel, Pipe, Retaining Wall, Soil-Structure Interaction, Tunnel

Storrow Drive Tunnel Testing, Monitoring, and Rating

Boston, MA

Project Contacts: Rosalind Imbaro

Constructed in the 1950s and carrying over 100,000 vehicles per day, the Storrow Drive Interchange is a major commuting route and link to Back Bay. The interchange includes two reinforced concrete tunnels with steel-framed and reinforced...

Services:Structural Rehabilitation

Markets:Highway & Tunnel

Keywords:Concrete, Heavy Loads, Monitoring, Structural Adequacy Assessment, Tunnel

Central Artery Tunnel Project Leakage Investigation

Boston, MA

Project Contacts: Paul Kelley, Matthew Sherman

The Central Artery/Tunnel (CA/T) Project relocated Boston’s elevated Central Artery below ground. Systemic water leakage at the tunnel roof to slurry wall intersection created a long-term corrosion threat to the roof girders and...

Services:Building Enclosure Investigation, Structural Investigation

Markets:Highway & Tunnel

Keywords:Concrete, Expert Testimony, Tunnel, Water Leakage

Suspended Concrete Ceiling Removal over Massachusetts Turnpike

Boston, MA

Project Contacts: Cory Brett, Scott DiFiore

Portions of the Hynes Convention Center (Hynes) are located directly over I-90, the Massachusetts Turnpike. A fifty-year-old, cast-in-place concrete slab suspended from the underside of the Hynes served as the ceiling for the western...

Services:Structural Rehabilitation

Markets:Highway & Tunnel

Keywords:Award Winning, Canopy/Ceiling, Civil, Concrete, Construction Administration, Construction Engineering, Construction Staging, Demolition, Shoring/Temporary Structure, Slab, Tunnel

Central Artery/Tunnel Project Slurry Walls

Boston, MA

Project Contacts: Paul Kelley, Matthew Sherman

The Central Artery/Tunnel (CA/T) Project relocated Boston’s elevated Central Artery below ground. The CA/T tunnel walls used soldier pile tremie concrete (SPTC) slurry walls as a component of the final structure. During later stages of...

Services:Materials Investigation, Materials Rehabilitation, Structural Rehabilitation

Markets:Highway & Tunnel

Keywords:Civil, Concrete, Demolition, Field Testing, Heavy Loads, Laboratory Testing and Analysis, Tunnel

US-41 and M-28 Pedestrian Tunnel, Chocolay Township

Marquette County, MI

The US-41/M-28 Access Management Plan sought to improve access along the corridor. One such improvement included the construction of a pedestrian tunnel under US-41/M-28 to replace an existing overpass in Chocolay Township. The pedestrian tunnel...

Services:Structural Design

Markets:Highway & Tunnel

Keywords:Civil, Concrete, Concrete-Precast, Culverts and Storm Drains, Tunnel

Logan International Airport, I-90/Route 1A Interchange

Boston, MA

Project Contacts: William Konicki, Stan Zagajeski

The modernization of Logan International Airport included the new I-90/Route 1A Interchange. SGH assisted several contractors that looked for assistance with understanding the complex system of reinforcement, post-tensioning ducts and anchorages...

Services:Structural Design

Markets:Highway & Tunnel

Keywords:Concrete-Reinforced, Construction Engineering, Drainage

Storrow Drive Interchange/Tunnels

Boston, MA

Project Contacts: Rosalind Imbaro, Paul Kelley, Atis Liepins

Storrow Drive, a parkway along the Charles River in Boston, carries more than 100,000 vehicles per day. The tunnels provide access to city streets, and are constructed of reinforced concrete sections with concrete-slab roofs that are supported by...

Services:Materials Rehabilitation, Structural Design

Markets:Highway & Tunnel

Keywords:Award Winning, Below-Grade, Bridge, Concrete, Construction Administration, Cracking, Emergency Response, Field Testing, Tunnel, Vehicular bridge

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Highway & Tunnel

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Looking for more?

Minera Escondida, Organic Growth Project 1, Tunnel 4

Bingham Canyon Mine

Storrow Drive Tunnel Testing, Monitoring, and Rating

Central Artery Tunnel Project Leakage Investigation

Suspended Concrete Ceiling Removal over Massachusetts Turnpike

Central Artery/Tunnel Project Slurry Walls

US-41 and M-28 Pedestrian Tunnel, Chocolay Township

Logan International Airport, I-90/Route 1A Interchange

Storrow Drive Interchange/Tunnels