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NEES. George E. Brown, Jr. N etwork for E arthquake E ngineering S imulation NSF-Funded Consortium of 15 University Labs That Provide Shared-Use Access to Facilities …. Nees Overview.

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George E. Brown, Jr.

Network for

Earthquake Engineering


NSF-Funded Consortium of 15 University Labs

That Provide Shared-Use Access to Facilities …

nees overview
Nees Overview
earthquakes remain an important national hazard to life and property 4 6b yr
Earthquakes Remain An Important National Hazard to Life And Property ($4-6B/Yr)
    • Kobe Earthquake - Japan
organization of nees pieces




NSF Sponsors

(Washington DC)



MOM Support

for Infrastructure





(San Diego)

NEES Shared Use Infrastructure[Operated by NEESinc]

Organization of NEES’ Pieces
example research 06 gc on ports

Liquefiable fill soils([email protected] [email protected])

Container crane response([email protected])

Wharf response

([email protected])

Example Research: ‘06 GC on Ports
  • Multi-disciplinary problem of national and international importance
  • Multi-site, multi-partner team (engineering, logistics, social sciences)
  • Buy-in and involvement from community from proposal stage
  • Systems approach that emphasizes implementation

Risk Framework: Probability of Berth Downtime

Socio-Economic Impact & Decision Support

neesinc mission 1 innovation
NEESinc Mission 1: Innovation

Revolutionize earthquake engineering research and education by:

  • Providing access to the world\'s largest and most advanced experimental facilities
  • Operating an IT infrastructure capable of integrating lab experiments with computer models
  • Motivating the research community to collaborate using a shared, web-based environment
  • Fostering the open exchange of data and information among researchers and practicing engineers
  • Creating active programs of education and outreach committed to improving seismic safety
neesinc mission 2 earthquake risk mitigation
NEESinc Mission 2: Earthquake Risk Mitigation
  • Engineering/Construction of Resilient Infrastructure is Best Strategy:
    • Complements land use, earthquake preparedness, and emergency response
    • Great strides have been made but Cost-Effectiveness is still an issue
    • From prescriptive codes to performance-based design
  • Success Requires:
    • Effective Design Tools for Hazard ID Coordination
    • Cost-Effective Engineering Solutions Research
    • Political Skill and Will Leadership
    • Good Construction/Maintenance Practices Partnership

Courtesy of Amit Kanvinde


Materials Testing atShared-Use Facility

remote participation in bridge test
Remote Participation in Bridge Test

Courtesy of Prof. Mehdi Saiidi, University of Nevada - Reno


Fast-Hybrid Component Test(Colorado)

Dynamic Frame-System Test(Buffalo)

Simultaneous Substructure Test(Berkeley)

Static Frame-System Test(GaTech)

Multi-Site & Hybrid Testing of Zipper Frame

Courtesy of Prof. Roberto Leon, Georgia Tech.


Industry-Sponsored Test of 7-Story RC Building

Courtesy of Prof. Jose Restrepo University of California at San Diego

tsunami research simulating wave run up
Tsunami Research: Simulating Wave Run-Up

international collaborations e defense japan
International Collaborations: E-Defense (Japan)

other interesting tests
Other Interesting Tests..
    • Japan Building Failure
    • Wooden House – Shake Table
    • Adobe house – Shake table
    • 7 story disp/time