Previous Case Studies
| Study | Project Type | Instruments | |
|---|---|---|---|
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Taoyuanl Airport Access System, Taiwan | High-speed rail system that required automated monitoring system. | Multiplexed inclinometers, EL monopod tiltmeters, EL beam sensors. |
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New Metro Rail Project, Australia | Light Rail project required both above-surface and subsurface monitoring. | Tiltmeters, beam sensors, inclinometers, rod extensometers, magnet extensometers, VW MiniLoggers, VW piezometers, water level indicators, in-place inclinometers. |
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Guayaquil Tunnels, Ecuador |
Extensometers and other instruments were used to monitor tunnel construction. | Rod extensometers, inclinometers, pressure cells. |
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Hoover Dam ByPass | Goodman jack is used to investigate potential footings for a bridge. | Goodman Jack |
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High Speed Railway, Taiwan | Track monitoring system verifies that track bed is safe, stable, and operational during excavations for piers on either side of the railway. | EL beam sensors, dataloggger |
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New Victoria Dam, Australia |
An extensive transient protection system was implemented at this dam. | VW piezometers, strain gauges, data loggers, lightning protection. |
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Potomac Yard Storm Sewer Tunnel USA |
Alignment for new storm sewer requires tunneling under a railroad embankment. | EL beam sensors, datalogger, MultiMon software. |
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Hope Valley Reservoir Southern Australia | Real-time monitoring used during remedial work carried out on century-old dam. | Inclinometers, piezometers, datalogger, Multimon software |
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Pipeline Monitoring, Douglas Pass, Colorado, USA |
Instrumentation provides data that helps pipeline engineers avoid ruptures due to geologic hazards. | Inclinometers, piezometers, VW spotweldable strain gauges, extensometers. |
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Deep Tunnel Sewerage System, Singapore | Instrumentation monitors railway and secant pile walls during tunnel construction. | EL tiltmeters, VW spot-weldable strain gauges, datalogger, Multimon software |
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San Roque Dam Phillipines |
Instrumentation monitors construction and performance of large rockfill dam. | Rod extensometers, VW and pneumatic piezometers, data loggers |
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Brig, Switzerland | Swiss Rail tracks are monitored as work proceeds on highway tunnel under the tracks. | EL beam sensors, dataloggers. |
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Portcullis House, UK | Real-time monitoring plays a significant role in the construction of UK's new parliamentary building. | EL beam sensors, tiltmeters, liquid level, rod extensometer, data loggers, MultiMon. |
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Sun-Yat-Sen University, Taiwan | Landslide monitoring and warning system help protect a university. | Inclinometers, piezometers, tiltmeters, data loggers. |
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Huckleberry Mine, BC, Canada | Tailings dam employs grouted-in piezometers and a comprehensive lighting protection system. | VW piezometers, inclinometers |
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Louisiana Transportation Research Center | Instrumentation monitors a reinforced soil embankment built on a soft clay foundation. | Horizontal and vertical inclinometers |
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Deep Excavation in Lisbon, Portugal | Deep excavation for underground shopping center and parking in central Lisbon | Inclinometers, tiltmeters, VW piezometers, tape extensometers. |
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New York Subway, 53rd Street Fan Plant | Instrumentation of subway tunnel and construction of fan plant shaft. | VW strain gauges, EL beam sensors, Bassett Convergence systems. |
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Deutsche Post Headquarters | Instrumentation of piles used for foundation of building. | Pressure cells, VW strain gauges |
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Upper Huia Dam, New Zealand |
Concrete gravity dam retrofit with piezometers to monitor uplift pressures. | VW piezometers, 4-20mA interface |
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Globe Theatre, London, England | Real-time monitoring during construction at Globe Theatre in London. | EL beam sensors, data loggers, software |
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Underground Processing Plant, Helsinki, Finland | Real-time monitoring warns of any damage to a tunnel as drilling and blasting takes place near by. | Bassett Convergence System, MultiMon Software |
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Boddington Gold Mine, Australia | Engineers determine that pit walls can be steepened, but preserve margin of safety with tiltmeters and an alarm system. | EL tiltmeters, data loggers. |
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Track Monitoring in Canada | Track monitoring system replaces a full-time manned watch over a section of track near Hamilton, Ontario. | Track sensors, EL beam sensors, data loggers, Atlas web-based monitoring system |
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Deep Excavation in Sydney, Australia | Highly-stressed rock and six brick-lined rail tunnels near by complicated a deep excavation in Sydney's central business core. | Inclinometers, tape extensometer, load cells, survey points |
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Monitoring Light Rail Tunnels in Kuala Lumpur | Real-time monitoring of two light rail transit tunnels provides safety for commuters while major road construction takes place just a few meters overhead. | Bassett Convergence System, EL beam sensors, MultiMon software |
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Monitoring near Brekky Creek, Australia | Before a tunnel is built, engineers study how ground water levels in the area respond to tides and other factors. | VW piezometers, MiniLoggers |
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Snake River Canyon, USA | Highway improvement requires soil nail wall and MSE structure. | Inclinometers, strain gauges |
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Grouting-in Piezometers | Lab tests measure response time of VW piezometers embedded directly in bentonite grout. | VW piezometers |
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Track Monitoring, England | Track monitoring system warns of embankment failure | EL beam sensors, data logger, MultiMon software |
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Ialy Dam, Vietnam | Clay-core rockfill dam increases Vietnam's power generating capacity. | VW piezometers, pressure cells, strainmeters, inclinometers, data loggers |
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Environmental Dredging, Netherlands | Industrial pollutants are dredged from the floor of the Ketelmeer, cleaned, and stored safely inside a man-made island. | VW push-in piezometers, pressure cells, data loggers |
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Point Marion Lock, USA | Instrumentation program and carefully sequenced construction allows economical replacement of a lock with minimal disruption of river traffic. | Inclinometers, piezometers |
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Church Street Bridge, Australia | Instrumentation monitors bridge geometry as bridge supports are replaced. | EL tiltmeters, displacement sensors, data loggers |
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Second Manapouri Tunnel, New Zealand | Instrumentation monitors construction of tailrace tunnel. | Inclinometers, piezometers, crackmeters, rod extensometers, tape extensometers |
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Petronas Twin Towers, Malaysia | VW pressure cells installed in foundation of the worlds tallest office building. | VW pressure cells |
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Ennepetal Dam, Germany | Dam rehabilitation | Inclinometers, piezometers, pendulum system |
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Bieudron Power House, Switzerland | Instrumentation monitors performance of concrete surrounding feeder ring of turbine. | VW embedment strain gauges |