Santa Barbara, CA: GEO is monitoring a 40 foot retaining wall while new construction takes place on property above. Instrumentation includes ten … [Read more...]
Infrastructure
GEO monitors metro tunnels, outfall sewers, seawalls, dams, railways, highways, and airports, helping owners, operators, and engineers mitigate risk, optimize designs, and minimize delays. Infrastructure projects require a wide range of instruments and monitoring technologies.
GEO at the M Street Excavation
GEO is monitoring a 32-foot deep excavation and a WMATA metro tunnel adjacent to the excavation in Washington DC. The SOE consists of drilled … [Read more...]
GEO on the East Link Extension
The East Link extension will add 14 miles and 10 stations to Sound Transit's light rail system, carrying commuters between Bellevue and Seattle. … [Read more...]
GEO at Merrimack River Bridge
MassDOT is rehabilitating the Merrimack River Bridge, strengthening the superstructure and mitigating scour around the bridge piers. GEO … [Read more...]
Transbay Transit Center
Construction of the Transbay Transit Center required a massive support of excavation system that included a cement-deep-soil-mixed perimeter wall, … [Read more...]
Hernando de Soto Bridge Piers
The Hernando de Soto bridge, first opened in 1973, carries I-40 traffic across the Mississippi river. During a seismic retrofit, sudden settlement of … [Read more...]
Rosslyn Station
Construction of twin residential and commercial towers adjacent to the Rosslyn metro station involved demolition of an entire block of existing … [Read more...]
GEO at Snoqualmie Pass
Rockslides and snow avalanches at Snoqualmie pass have caused frequent closures of I-90, so State and Federal agencies embarked on an improvement … [Read more...]
GEO at the Seawall
GEO-Instruments installed tiltmeters on this nearly completed section of the Elliott Bay Seawall. On the left, you can see the new wall, which has a … [Read more...]
FDR Drive
Significant deterioration of the pilings supporting this busy six-lane parkway threatened its stability. Because the highway carries over 150,000 … [Read more...]
MTA East Side Access
New York's East Side Access project is designed to bring the Long Island Rail Road from Queens to Grand Central Terminal in Manhattan. Because the … [Read more...]
Replacement of Road Crossing
For the safety and efficiency of railroad operations, it was decided to replace a road crossing with an underpass. Sixty trains pass here each day, so … [Read more...]
I-5 Undercrossing
Sound Transit's U-Link project extends the regional light-rail system from downtown Seattle to the University District, via a 3.5 mile tunnel. The … [Read more...]
Hines Bridge
In November 2008, a heavily loaded barge battling strong currents collided with a bridge pier. The collision damaged the pier and caused misalignment … [Read more...]
Monitoring a Pier
Nearby dredging operations posed a potential risk to this pier at a container ship facility. To monitor the pier, GEO-Instruments provided weldments … [Read more...]