Retaining Wall - Tiltmeters

Santa Barbara, CA GEO is monitoring a 40 foot retaining wall situated above a public parking lot. The area sees occasional heavy rains, so early warning of potential deformation of the wall was required. The client requested a non-intrusive, long-term monitoring system. GEO proposed using GeoCloud wireless tiltmeters. These advanced tiltmeters have a 5-year battery life, transmitting measurements…

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Marine Bulkhead -AMTS

New York GEO is monitoring a bulkhead along Harlem River in advance of construction of piers for a new bridge. Instrumentation includes AMTS and automated vibration monitors.

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Landslide & Shape Arrays

Washington State: GEO installed four shape arrays at depths from 40 to 90 feet to monitor slope stabilization work at a construction site. The solar-powered installations send measurements to Geocloud servers by cell modem.

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Elliot Bay Seawall

Seattle, WA Monitoring construction of Elliot Bay Seawall. This multi-year automated monitoring project included SAA shape arrays, tiltmeters, load cells, solar-charged, wireless loggers, and web-based reporting.

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Slope Monitoring

Snoqualmie Pass, Washington Rockslides and snow avalanches at Snoqualmie pass have caused frequent closures of I-90, so State and Federal agencies embarked on an improvement project. GEO provided automated monitoring for the project. These photos show a section of the project where GEO installed 22 instrumented rock dowels on very steep slopes. An AMTS system…

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Monitoring Deformation I-5 Undercrossing

This wide-angle photo shows excavation of one of the four pits (left), a scan station (middle), and one of the 400-foot long retaining walls (background). Project Overview 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 most complex and highest risk section…

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Castle Village Retaining Wall

Project Overview When a retaining wall failed, 41,000 cubic yards of rock, soil and trees slumped onto a major urban highway. The failure closed the highway and endangered nearby apartment buildings. Following an emergency response to stabilize the slope and reopen the highway, it was decided to replace the failed section with a bin wall…

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