Methods for forewarning of critical condition changes in monitoring civil structures

Abercrombie, Robert K.; Hively, Lee M.

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Title: Methods for forewarning of critical condition changes in monitoring civil structures

Abstract

Sensor modules (12) including accelerometers (20) are placed on a physical structure (10) and tri-axial accelerometer data is converted to mechanical power (P) data (41) which then processed to provide a forewarning (57) of a critical event concerning the physical structure (10). The forewarning is based on a number of occurrences of a composite measure of dissimilarity (C.sub.i) exceeding a forewarning threshold over a defined sampling time; and a forewarning signal (58) is provided to a human observer through a visual, audible or tangible signal. A forewarning of a structural failure can also be provided based on a number of occurrences of (C.sub.i) above a failure value threshold.

Inventors:: Abercrombie, Robert K.; Hively, Lee M.

Issue Date:: 2013-04-02

Research Org.:: ORO (Oak Ridge Office, Oak Ridge, TN (United States))

Sponsoring Org.:: USDOE

OSTI Identifier:: 1083901

Patent Number(s):: 8410952

Application Number:: 12/962,787

Assignee:: UT-Battelle, LLC (Oak Ridge, TN)

Patent Classifications (CPCs):: G - PHYSICS G01 - MEASURING G01M - TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES

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G - PHYSICS G01 - MEASURING G01M - TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES
G01M5/0008 - {of bridges}
G01M5/0033 - {by determining damage, crack or wear}
G01M5/0066 - {by exciting or detecting vibration or acceleration

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DOE Contract Number:: AC05-00OR22725

Resource Type:: Patent

Country of Publication:: United States

Language:: English

Subject:: 47 OTHER INSTRUMENTATION

Citation Formats


                    Abercrombie, Robert K., and Hively, Lee M. Methods for forewarning of critical condition changes in monitoring civil structures.  United States: N. p., 2013. 
        Web.

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                    Abercrombie, Robert K., & Hively, Lee M. Methods for forewarning of critical condition changes in monitoring civil structures.  United States.

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                    Abercrombie, Robert K., and Hively, Lee M. Tue .  
        "Methods for forewarning of critical condition changes in monitoring civil structures".  United States.  https://www.osti.gov/servlets/purl/1083901.

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@article{osti_1083901,

  title        = {Methods for forewarning of critical condition changes in monitoring civil structures},

  author       = {Abercrombie, Robert K. and Hively, Lee M.},

  abstractNote = {Sensor modules (12) including accelerometers (20) are placed on a physical structure (10) and tri-axial accelerometer data is converted to mechanical power (P) data (41) which then processed to provide a forewarning (57) of a critical event concerning the physical structure (10). The forewarning is based on a number of occurrences of a composite measure of dissimilarity (C.sub.i) exceeding a forewarning threshold over a defined sampling time; and a forewarning signal (58) is provided to a human observer through a visual, audible or tangible signal. A forewarning of a structural failure can also be provided based on a number of occurrences of (C.sub.i) above a failure value threshold.},

  doi          = {},

  journal      = {},
number       = ,

  volume       = ,

  place        = {United States},

  year         = {2013},

  month        = {4}

}

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Title: Methods for forewarning of critical condition changes in monitoring civil structures

Abstract

Citation Formats

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Apparatus and method for automation of imaging and dynamic signal analyses
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Device and method for determining and detecting the onset of structural collapse
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Method and appartus for converting static in-ground vehicle scales into weigh-in-motion systems
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