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  • Mar
    3

    SPREE Seminar: Joe Labuz

    McCormick - Civil and Environmental Engineering

    11:00 AM

    EVENT DETAILS

    Listening to Rock: Acoustic Emission in Fracture Testing

    ABSTRACT: Fracture of a material such as rock involves microcracking, which generates elastic waves known as acoustic emission (AE). These transient waves propagate through the medium with very small amplitudes and high frequencies, and the AE signals carry information about the source, including location and mechanism. The acoustic emission technique is reviewed and basic features of the experimental system are outlined. Analyses involving rates, locations, and source mechanisms are discussed, along with imaging results that support the AE statistics. Data from fracture testing of a brittle rock (quartzite) and a brittle solid (glass) are highlighted to demonstrate the ability of AE to monitor the evolution of fracture.

    Joseph Labuz is Professor and Department Head of Civil, Environmental, and Geo- Engineering at the University of Minnesota. He earned his PhD (1985) in civil engineering from Northwestern University. His research interests include the behavior of fluid-saturated rock, fracture of brittle solids, and development of novel apparatus. He is a Fellow of ASCE and ARMA.

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    TIME Wednesday, March 3, 2021 at 11:00 AM - 12:00 PM

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    CONTACT Tierney Acott    tierney.acott@northwestern.edu EMAIL

    CALENDAR McCormick - Civil and Environmental Engineering

  • Mar
    10

    SPREE Seminar: John van de Lindt

    McCormick - Civil and Environmental Engineering

    11:00 AM

    EVENT DETAILS

    TIME Wednesday, March 10, 2021 at 11:00 AM - 12:00 PM

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    CONTACT Tierney Acott    tierney.acott@northwestern.edu EMAIL

    CALENDAR McCormick - Civil and Environmental Engineering

  • Mar
    11

    Electronically Integrated Microscopic Robots

    McCormick - Civil and Environmental Engineering

    10:00 AM

    EVENT DETAILSmore info

    TIME Thursday, March 11, 2021 at 10:00 AM - 11:00 AM

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    CONTACT Alison Rodriguez    alison.rodriguez@northwestern.edu EMAIL

    CALENDAR McCormick - Civil and Environmental Engineering

  • Mar
    12

    EES Seminar: Noah Fierer

    McCormick - Civil and Environmental Engineering

    2:00 PM

    EVENT DETAILS

    TIME Friday, March 12, 2021 at 2:00 PM - 3:00 PM

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    CONTACT Tierney Acott    tierney.acott@northwestern.edu EMAIL

    CALENDAR McCormick - Civil and Environmental Engineering

  • Mar
    13

    Winter Classes End

    University Academic Calendar

    All Day

    EVENT DETAILS

    TIME Saturday, March 13, 2021

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    CONTACT Office of the Registrar    nu-registrar@northwestern.edu EMAIL

    CALENDAR University Academic Calendar

  • Mar
    15

    Winter Examinations Begin

    University Academic Calendar

    All Day

    EVENT DETAILS

    TIME Monday, March 15, 2021

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    CONTACT Office of the Registrar    nu-registrar@northwestern.edu EMAIL

    CALENDAR University Academic Calendar

  • Mar
    20

    Spring Break Begins

    University Academic Calendar

    All Day

    EVENT DETAILS

    TIME Saturday, March 20, 2021

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    CONTACT Office of the Registrar    nu-registrar@northwestern.edu EMAIL

    CALENDAR University Academic Calendar

  • Mar
    26

    Winter Degrees Conferred

    University Academic Calendar

    All Day

    EVENT DETAILS

    TIME Friday, March 26, 2021

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    CONTACT Office of the Registrar    nu-registrar@northwestern.edu EMAIL

    CALENDAR University Academic Calendar

  • Mar
    29

    Spring Break Ends

    University Academic Calendar

    All Day

    EVENT DETAILS

    TIME Monday, March 29, 2021

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    CONTACT Office of the Registrar    nu-registrar@northwestern.edu EMAIL

    CALENDAR University Academic Calendar

  • Mar
    30

    Spring Classes Begin 8 a.m. Classes remote until Tuesday, April 6.

    University Academic Calendar

    All Day

    EVENT DETAILS

    TIME Tuesday, March 30, 2021

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    CONTACT Office of the Registrar    nu-registrar@northwestern.edu EMAIL

    CALENDAR University Academic Calendar

  • Mar
    31

    SPREE Seminar: Raudel Avila

    McCormick - Civil and Environmental Engineering

    11:00 AM

    EVENT DETAILS

    TIME Wednesday, March 31, 2021 at 11:00 AM - 12:00 PM

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    CONTACT Tierney Acott    tierney.acott@northwestern.edu EMAIL

    CALENDAR McCormick - Civil and Environmental Engineering

  • Apr
    14

    SPREE Seminar: Ryan Hurley

    McCormick - Civil and Environmental Engineering

    11:00 AM

    EVENT DETAILS

    TIME Wednesday, April 14, 2021 at 11:00 AM - 12:00 PM

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    CONTACT Tierney Acott    tierney.acott@northwestern.edu EMAIL

    CALENDAR McCormick - Civil and Environmental Engineering