Extensometers

Extensometers are designed to measure displacement or deformation in boreholes in soil, rock, concrete, and other construction materials. The device can be used in pile load test studies, plate jacking tests and virtually any application where a hole can be drilled or a pipe can be cast into the structure being studied, including measurement of ground movements and tunnels, subsidence above tunnels and mine openings and settlement and heave of foundations in soft soil. The system features adjustable gage lengths, rapid and simple installation/removal and high accuracy using a variety of transducers including Vibrating Wire and DCDT's. Adapters for use in square tubing are also available.

 Types of Extensometers available include:

• Mechanical Rod Extensometers
• Tape Extensometers
• Magnetic Extensometers

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