UT Austin
NHERI Experimental Facility

Workshops

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UPCOMING WORKSHOPS

No upcoming workshops at this time.

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PAST WORKSHOPS

NHERI@UTexas Virtual Workshop (1pm - 3pm CST | Wednesday, December 14, 2022)

Workshop Slides

• NHERI@UTexas Introduction.pdf
• Field Trials with NHERI@UTexas T-Rex to Evaluate Microbially Induced Desaturation for Silt Liquefaction Mitigation.pdf
• Recent Developments in Near-Surface Imaging using DAS and NHERI@UTexas Mobile Shakers.pdf
• Use of Large Mobile Shakers in Bridge Evaluation.pdf

Workshop Video

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NHERI@UTexas Workshop on Fiber Optic Distributed Acoustic Sensing (DAS) for Infrastructure Engineering and Subsurface Imaging (Oct. 21 - 22, 2021)

Workshop Schedule

Workshop Videos

• Part 1
• Part 2
• Part 3
• Part 4

PRJ-3317 | NHERI@UTexas DAS Levee Imaging Workshop (data from the levee tests)

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Shared-Use of NHERI@UTexas Mobile Shakers for Geophysical and Seismological Research Workshop (4pm - 5pm CST | Thursday, December 3rd, 2020)

Workshop Slides

• Introduction of NHERI@UTexas
• Use of Thumper as a source for Full waveform inversion (Khiem Tran)
• Integration of T-Rex Vibrator and PASSCAL Texan Recorders for Seismic Profiling of Shallow and Deep Crustal Targets (Derek Lerch)

Workshop Video

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Stiffness-Based Bio Ground Improvement Monitoring Workshop (Sept. 11, 2019)

Workshop Slides

• Introduction of NHERI@UTexas (Stokoe)
• Biogeotechnical mitigation of earthquake-induced soil liquefaction (Kavazanjian and van Paassen)
• Liquefaction mitigation of silts using microbially induced desaturation and precipitation (MIDP) (Khosravifar and Moug)
• Bio Remediation An Industry Perspective

Workshop News Coverage

Researchers use 'fake quake' for tests that help prepare Portland for the Big One

PSU simulates earthquake to study soils

Making soil stronger: A new way to prep for The Big One

Researchers use fake earthquake, study soil to prepare Portland for the ‘big one’

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Stiffness-Based Ground Deformation Predictions Workshop (November 5th, 2018)

Workshop Slides (zip download)

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Sinkhole Workshop

Workshop Slides

• Overview of NHERI@UTexas Equipment Facility (K. Stokoe)
• Presentations on full waveform inversion (K. Tran)
• Presentation on the Karstic Limestone Geophysical Ground Proving (KLGGP) site (D. Hiltunen)

Recorded Webinar

• Video 1
• Video 2
• Video 3

Data collected during the sinkhole workshop

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Structure Testing Workshop (August 3-4, 2017)

Workshop Slides

• Overview of NHERI@UTexas Equipment Facility
• Exciting - civil engineering
• Bridge test project overview
• Preliminary results from UT Team
• Preliminary results from Rutgers Team
• Overview of Global Structural Assessment Techniques

Recorded Webinar

• Recorded webinar Part 1
• Recorded webinar Part 2

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3D Levee Imaging in St. Louis, MO (Nov. 11, 2016)

Workshop Slides

• Introduction: Welcome, participant self-introduction, workshop goals, basic introduction of NHERI@UTexas
• Background of the Melvin Price-Wood River Levee Problem Seepage Area
• Pseudo 2D Imaging of the Mel-Price Wood River Levee via MASW and Resistivity
• Tying Together Lab and Field Measurements of Vs and Resistivity for Levee Evaluation
• Full Waveform Inversion: The Garner Valley Case Study
• Experimental Setup
• Python Jupyter Notebook for data processing and 3D visulization
• 3D model of the levee near St. Louis (Provided by Dr. Kevin Franke)

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In-Situ Liquefaction Workshop (Thursday, June 23rd - Friday, June 24th)

Workshop Slides

• cms_page_media/173/Cox_DPCH_NHERI In-Situ Liquefaction Workshop(6-23-2016).pdf
• cms_page_media/173/Cox_Sensor Layout_NHERI In-Situ Liquefaction Workshop(6-23-2016).pdf
• cms_page_media/173/NHERI at UTexas Intro_(23 June 2016)_videos.pdf
• cms_page_media/173/Stokoe_In Situ Liquefaction Test_NHERI In-Situ Liquefaction Workshop(_keGWijx.pdf
• cms_page_media/173/Stuedlein_Local Soils_NHERI In-Situ Liquefaction Workshop(6-23-2016).pdf
• cms_page_media/173/NHERI Workshop Report_Draft 4.pdf

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Online Webinar (Tuesday, December 15th, 2015)

• Large Mobile Shakers for Natural Hazard Field Studies to Develop Resilient and Sustainable Infrastructure