Know More About Inclinometer Instrument

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An inclinometer is also known as tilt meter or tile sensor. It is an instrument used for measuring angular tilt. Inclinometers are used for sensing movements, whether its embedded in concrete structures, attached to a dam, buried down a tunnel or even for monitoring the volcanoes. The inclinometer instrument is capable of producing very accurate results even at most irregular surfaces. Inclinometers and tilt sensors date back around half a century.

Today, digital inclinometers are used to monitor lateral movements in embankments and landslide areas, deflections of retaining walls and piles, and deformations of excavation walls, tunnels, and shafts.
Inclinometer instrument casing is typically installed in a near vertical borehole that passes through expected zones of movement into stable ground. The digital inclinometer probe, control cable, pulley assembly, and readout are used to survey the casing. During a survey, the probe is drawn upwards from the bottom of the casing to the top, rested in its travel at half-meter intervals for tilt measurements. The first survey establishes the initial profile of the casing. Further surveys depict changes in the profile if ground movement occurs.

The inclination of the probe body is measured by two force-balanced servo-accelerometers. One accelerometer measures tilt in the plane of the inclinometer wheels, which track the longitudinal channels of the casing. The second accelerometer measures tilt in the plane vertical to the wheels. These inclination measurements are converted to lateral deviations.

The changes in lateral deviation are measured by comparing the data from current and initial surveys that indicate ground movements. Plotting the growing changes at each measurement interval gives a high resolution displacement profile. Displacement profiles are beneficial for ascertaining the magnitude, depth, direction, and rate of ground movement. There are various advantages of inclinometer including proven performance, computerized calibrations, repeatable tracking, extended installation life and many more.

Gage Technique International Ltd has been at the cutting edge of Environmental Monitoring instrumentation for both structural and civil engineering disciplines coupled with pioneering the design of structural instrumentation equipment, Inclinometer Instrument and techniques our experience and expertise has extended into the geotechnical and environmental fields.
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Avinash Smith has 1 articles online


Environmental Monitoring

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This article was published on 2010/10/15