Piles
Sisterbars for Nevada DOT
Sisterbars for Nevada DOT Nevada DOT is at work on I-15, constructing an overpass one exit south of the Las Vegas Motor Speedway. The work required pile load testing, and GEO installed sisterbars for the test.
Read MoreCalifornia High Speed Rail
California High Speed Rail ProjectThe California High Speed Rail system will connect San Francisco to Los Angeles with trains traveling up to 220 mph on grade-separated track. (Rendering courtesy of California High Speed Rail Authority). GEO-Instruments is at work on a section of the project between Fresno and Bakersfield. The elevated tracks will be supported…
Read MoreTIP Installation
Installing TIP Cables Thermal integrity profiling can identify necking, bulging, cage eccentricities, pile shape, and variations in concrete cover. Above: TIP cables before installation. GEO technician completing the installation of TIP cables and sister bar strain gauges on a two-part, 40 foot cage. The first part of the cage is lowered into the shaft. LTC…
Read MoreSister Bars & O-Cell
Sister Bars & O-Cells GEO supplied and installed these sisterbar strain gauges to monitor an axial pile load test for large-bore piles. The strain measurements are used to calculate shaft load during O-cell testing. In a typical test, the O-cell is welded between upper and lower reinforcement cages. Gauges are attached to both. Careful preparation is required…
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