May 16, 2017

Monir Precision Monitoring finds 1 mm correlation between SAAF and manual inclinometers

Tyler Morency
3 years ago

Monir Precision Monitoring finds 1 mm correlation between SAAF and manual inclinometers

In a case study written by Monir Precision Monitoring, the author found “that the data from the SAAF and manual inclinometer readings were consistent within 1 mm, which matches the repeatability typically seen in this type of installation.”

The study compared data produced by SAAF ShapeArray and a manual inclinometer during a condominium construction project near the shore of Lake Ontario. An inclinometer casing and SAAF casing were installed on a steel pile forming part of a caisson wall shoring the excavation. The inclinometer casing was read manually. An SAAF was installed in the other casing and its data were logged automatically.

Monir frequently monitors shoring walls manually during construction projects. This requires sending personnel to the project site for each collection of data. The comparison with SAAF is part of a qualification process that could lead to more automated monitoring using Measurand's ShapeArray technology in the Greater Toronto Area. Automated Measurand ShapeArrays are routinely used in major urban construction projects around the world.

View Case Study

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How did engineers use the observational method during the construction of a new highway interchange?

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  • 1993

    The Beginning

    Measurand is established in Fredericton, New Brunswick
  • 1994

    Bend sensor development

    Measurand develops and patents fiber optic bend and position sensors for the medical and automotive sectors

    U.S. Patent 5,321,257

  • 1995

    Canadian Space Agency

    Receives funding from the CSA to develop sensor technology that ultimately leads to invention of ShapeTape

    U.S. Patent 5,633,494

  • 1999

    Patent on fiber optic sensor

    Measurand receives patent for "Fiber Optic Bending and Positioning Sensor" issued June 29, 1999

    Canadian Patent 2,073,162

  • 2001

    ShapeTape & ShapeHand debut

    Measurand designs and develops innovative motion capture technology

    U.S. Patent 6,127,672, 6,563,107

  • 2002

    Measurand Attends the ICPMG

    First contact with the geotechnical sector at the International Conference on Physical Modelling in Geotechnics (ICPMG)
  • 2004

    ShapeArray

    Design patent application sent about a new product designed to meet the specific needs of the geotechnical industry

    U.S. Patent 6,127,672, 6,563,107

  • 2005-08

    ShapeWrap

    Measurand debuts ShapeWrap motion capture technology for the film and animation industry

    U.S. Patent 7,296,363

  • 2006

    Malibu installation

    ShapeAccelArray installed for ground monitoring for the first time​ in Malibu, CA

    Canadian Patent 2,472,421

  • 2007

    ShapeMRI

    Suite of instrumentation developed for motion capture within Magnetic Resonance Imaging (MRI) machines

    U.S. Patent 7,296,363

  • 2011

    SAAScan launched

    Built for rapid deployment and repeated use

    Canadian Patent 2,472,421

  • 2014

    SAAX launched

    Purpose-built for heavy-duty horizontal installation

    Canadian application 2,815,199 & 2,815,195

  • 2017

    SAAV launched

    The only geotechnical instrument with a patented cyclical installation method

    Cyclical Sensor Array, Canadian application 2,815,199 & 2,911,175