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  1. A Structural Health Monitoring System for a Damaged Classroom Building Displayed in the 921 Earthquake Museum of Taiwan

    15 May 2014 | Contributor(s): Jer-Fu Wang, Chi-Chang Lin

    A Structural Health Monitoring System for a Damaged Classroom Building Displayed in the 921 Earthquake Museum of TaiwanThis study develops a structural health monitoring (SHM) system for evaluating the safety of a damaged classroom building in the 921 Earthquake Museum of Taiwan (921EMT). The...

  2. A Study of Shear and Torsion in Small Scale Bridge Piers - Introduction

    05 Oct 2010 | Multimedia | Contributor(s): Gregory Pluta, Dan Kuchma, Thomas Frankie, NEES EOT

    This video was created by the NEES Network at the University of Illinois. By studying the effects of shear and torsion this program hopes to reduce the damaging effects of earthquakes on residential and commercial buildings, thus lowering the risk of danger to human life. 

  3. A Study on Seismic Capacity of Overhead Transportation Systems in A High-tech Fab

    15 May 2014 | Publications | Contributor(s): George Yao, Jyh-Chau Wang, Wei-Jen Lin, Chin-Lian Tsai, Wen-Jyun Chou

    A Study on Seismic Capacity of Overhead Transportation Systems in A High-tech FabIn Taiwan, the suspended automated material handling system (AMHS) has become an essential transportation facilities in high-tech factories, meeting the needs of safety, efficiency, and space saving. The cost...

  4. A Success Story About Collaborative Earthquake Science and Engineering

    29 Apr 2011 | Historical Documents | Contributor(s): Joan Gomberg

    Set of two presentations given by Joan Gomberg, U.S. Geological Survey, presenting the success of a collaborative geophysical field experiment at Garner Valley, California. These two presentations and a maop were originally uploaded to the NEES data repository.

  5. A Summary of Ten Years of Research on HPFRC Coupling Beams

    27 Apr 2011 | Publications | Contributor(s): Gustavo Parra-Montesinos, James Wight, Remy Lequesne

    The design of coupling or “link” beams connecting structural walls in earthquake-resistant construction requires the use of intricate diagonal and transverse reinforcement detailing to ensure adequate strength, stiffness and energy dissipation during an earthquake event. The tensile...

  6. A Three-dimension Model for Slow Hybrid Testing of Retrofits for Soft-story Wood-frame Buildings

    15 May 2014 | Publications | Contributor(s): Weichiang Pang, Ershad Ziaei, Xiaoyun Shao, John van de Lindt, Mikhail Gershfeld, Michael Symans, Elaina Jennings

    A Three-dimension Model for Slow Hybrid Testing of Retrofits for Soft-story Wood-frame BuildingsThis paper will present a new 3D seismic analysis package developed for analyzing the collapse mechanism of soft-story wood-frame buildings. This new seismic analysis package is developed as part of...

  7. A Tracking Error-Based Adaptive Compensation Scheme for Real- Time Hybrid Simulation

    31 Jul 2010 | Publications | Contributor(s): cheng chen, James Ricles

    Real-time hybrid simulation combines experimental testing and numerical simulation, and thus provides a viable alternative for the dynamic testing of civil engineering structures. Actuator delay compensation is vital to achieve a stable and reliable real-time hybrid simulation. An adaptive...

  8. A Universal Computational Method for Optimal Pulse Design in NMR & MRI

    31 Dec 2010 | Poster | Contributor(s): Justin Ruths

    Many key aspects of control of quantum systems involve manipulating a large quantum ensemble exhibiting variation in the value of parameters characterizing the system dynamics. Developing electromagnetic pulses to produce a desired evolution in the presence of such variation is a fundamental and...

  9. ABAQUS Tutorial

    27 Jan 2011 | Learning Objects | Contributor(s): Shi-Yu Xu

    Introduction to ABAQUS. Shi-Yu Xu

  10. Abrication of a Strong Mixed oxide-ion and Carbonate-ion Conductor with Porous Solid Oxide Skeleton

    02 Jan 2011 | Poster | Contributor(s): Lingling Zhang

    A novel intermediate-temperature two-phase mixed oxide-ion and carbonate-ion conductor (MOCC) has recently been developed in USC for potential applications in IT-SOFCs and CO2 separation membranes. Excellent electrical performance has been demonstrated with MOCC-SOFCs in the temperature range...

  11. AC 2012-4533: Online Modules for Wood Design Courses Through NEEShub

    10 Jun 2013 | Publications | Contributor(s): Mikhail Gershfeld, Charles B Chadwell, Sean Brophy

    The Wood Education Institute is developing a series of rich-media based learning modules to provide tools for teaching wood design. The modules that have been completed are intended for undergraduate programs. The modules currently under development target graduate level and continuing education...

  12. AC 2012-5585: Work-In-Progress: Linking a Geographically Distributed REU Program With Networking and Collaboration Tools

    10 Jun 2013 | Publications | Contributor(s): Thalia Anagnos, Alicia Lynn Lyman-Holt, Sean Brophy

    The George E. Brown, Jr. Network for Earthquake Engineering Simulation (NEES) coordinates a geographically distributed Research Experience for Undergraduates (REU) program with up to 30 students placed at five to eight research sites each summer. With only two to four students at each site,...

  13. Academic Partners

    12 Oct 2010 | Multimedia | Contributor(s): Rajesh Thyagarajan

    These are the NEES academic partners.

  14. Acceleration Feedback Strategies for Active and Semiactive Control Systems: Modeling, Algorithm Development, and Experimental Verification

    16 Dec 2010 | Publications | Contributor(s): Shirley Dyke

    Most of the current research on active structural control for aseismic protection has been based on either full state feedback strategies or velocity feedback strategies. However, accurate measurement of the necessary displacements and velocities of the structure is difficult to achieve directly,...

  15. Accidental Torsion in Nonlinear Response History Analysis

    15 May 2014 | Publications | Contributor(s): Jordan Jarrett, Reid Zimmerman, Finley Charney

    Accidental Torsion in Nonlinear Response History AnalysisJordan Jarrett, Reid Zimmerman, Finley CharneyAccidental torsion is ignored in many provisions for nonlinear response history analyses (NRHA), including those of FEMA P-695, FEMA P-58 and the Tall Building Initiative. Linear procedures for...

  16. Accommodating MR Damper Dynamics for Control of Large Scale Structural Systems

    16 Aug 2010 | Publications | Contributor(s): Anthony Joseph Friedman, Jianqiu Zhang, Brian Phillips, Zhaoshuo Jiang, Anil Agrawal, Shirley Dyke, James Ricles, Bill Spencer, Richard Sause, Richard Christenson

    The focus of this paper is to propose three new control strategies for an advanced damping system utilizing magnetorheological (MR) dampers and investigate their effectiveness, and to validate real-time hybrid testing (RTHT) using an MR damper and the proposed controllers. The first proposed...

  17. Accurate and Efficient Modeling of Probabilistic Dependence and its Impact on Decision Making Under Uncertainty

    05 Jan 2011 | Poster | Contributor(s): J. Eric Bickel

     The objective of this research is to investigate the accuracy of different approximations to unknown joint probability distributions. This is achieved through a general sampling methodology that allows us to explore the set of  possible realizations for the true joint distribution and...

  18. Acrylic Dollhouse

    19 Jun 2013 | Learning Objects | Contributor(s): NEES EOT

    These plans are for an acrylic dollhouse that can be built for use on a shake table.  Lessons can be used with this dollhouse and shake table to demonstrate concepts that are discussed within earthquake engineering lessons.

  19. Action in the face of overwhelming risk

    15 May 2014 | Publications | Contributor(s): Janise Rodgers, L. Thomas Tobin

    Action in the face of overwhelming riskMany cities around the world face very high levels of risk from earthquakes and tsunamis, with cities in low and middle income countries all too often bearing the brunt of global earthquake and tsunami risk. Residents of these cities must contend with levels...

  20. Active Extensional Growth Folding beneath Reno, Nevada, Imaged by Urban Seismic Profiling

    30 Jul 2013 | Publications | Contributor(s): William J. Stephenson, , ,

    Draft manuscript submitted to Bulletin of the Seismological Society of America. Draft manuscript (not for distribution) describing the final interpretation of the TRK seismic profiles