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...]
Infrastructure
Projects involving the development, reconstruction, and protection of public infrastructure - mass transit systems, railways, highways, bridges, tunnels, ports, airports, and water supply and disposal - are complex undertakings with many risk factors. Such projects require a wide range of monitoring technologies.
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 Rosslyn Station
Andy Woods of GEO-Instruments is configuring an AMTS mounted on the roof of the Rosslyn subway cavern. Four linked AMTS were deployed to monitoring … [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...]
