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CENSEIS: Centrifuge and Full-scale Modeling of Seismic Pore Pressures in Sands
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30 Jan 2015 | Databases | Contributor(s): Tarek Abdoun, Waleed El-Sekelly, Ricardo Dobry, Sabanayagam Thevanayagam, Marcelo Gonzalez
Centrifuge and full-scale Modeling of Seismic Pore Pressures in Sands
Development of an Arduino-Based Wireless Control System
24 Dec 2014 | Publications | Contributor(s): Zhuoxiong Sun, Francisco Javier Pena, Alana Wilbee, Shirley Dyke
Over the past few decades, considerable attention has been given to structural control systems to mitigate structural vibration under natural hazards such as earthquake and extreme weather...
School Hazard Identification & Risk Management in Alaska
11 Aug 2014 | Active Documents | Contributor(s): Laura Kelly
This presentation outlines Alaska’s progress in identifying seismic hazards in Alaska’s schools from the perspective of Laura Kelly who lived in Kodiak, Alaska for 14 years, works for...
Robust Integrated Actuator Control: Experimental Veriﬁcation and Real Time Hybrid Simulation Implementation
06 Aug 2014 | Publications | Contributor(s): Gaby Ou, Ali Irmak Ozdagli, Shirley Dyke, Bin Wu
In this paper we purpose a new actuator control algorithm achieves the design flexibility, robustness and tracking accuracy to give RTHS users the power to achieve highly accurate and...
Seismic Response of Structural Walls with Geometric and Reinforcement Discontinuities
29 Jul 2014 | Publications | Contributor(s): Enrique Villalobos
Villalobos Fernandez, Enrique J., Ph.D., Purdue University, August 2014. Seismic Response of Structural Walls with Reinforcement and Geometric Discontinuities. Major Professor: Santiago...
Performance Based Implementation of Seismic Protective Devices for Structures
29 Jul 2014 | Publications | Contributor(s): Wang Xi
In order to improve the seismic performance of structures and to reduce the total cost (both direct and indirect) due to earthquake damages, structural control through seismic protective devices...
Verification of Real-Time Hybrid Simulation with Shake Table Tests: Phase 1 – Modeling of Superstructure
29 Jul 2014 | Publications | Contributor(s): Ali Irmak Ozdagli, Wang Xi, Yong Ding, Jian Zhang, Shirley Dyke, Bin Wu
In the last few decades, base isolation has become a recognized strategy for mitigating earthquake damage in civil engineering structures. To increase reliability and adaptability of these passive...
Verification of Real-Time Hybrid Simulation with Shake Table Tests: Phase 2 – Development of Control Algorithms
29 Jul 2014 | Publications | Contributor(s): Ali Irmak Ozdagli, Shirley Dyke, Wang Xi, Jian Zhang, Yong Ding, Bin Wu
In the last few decades, structural control has become a recognized strategy for mitigating earthquake damage in civil engineering structures. Within structural control, magnetorheological (MR)...
Documents for NEESR: Inertial Force-Limiting Floor Anchorage Systems For Seismic Resistant Building Structures
19 May 2014 | Active Documents | Contributor(s): Marti LaChance
Accompanying documents to: the NEESR project entitled NEESR: Inertial Force-Limiting Floor Anchorage Systems For Seismic Resistant Building Structures (PI: R. Fleischman, J. Restrepo, R....
nees@berkeley project highlight: Seismic Rehabilitation of Vulnerable Braced Frames
06 Feb 2014 | Multimedia | Contributor(s): Heidi Tremayne (Faison), Khalid Mosalam, Shakhzod Takhirov, Barbara Simpson, Stephen Alan Mahin, NEES EOT
These experimental research tests at nees@berkeley are part of a project titled "Collaborative Developments for the Seismic Rehabilitation of Vulnerable Braced Frames," funded by the...
A Database for Seismic Retrofit Construction Cost of Concrete and Steel Framed Schools in Iran
09 Dec 2013 | Databases | Contributor(s): Reza Jafarzadeh, Jason M. Ingham, Suzanne Wilkinson
Seismic retrofitting of existing structures is a key issue in any earthquake-prone region when considering the extensive damage and severe economic loss caused by previous strong ground motions...
NEES@Berkeley project highlight: Hybrid Simulation of Multi-Story Structural Systems Through Collapse
01 Oct 2013 | Multimedia | Contributor(s): Stephen Labounty, Heidi Tremayne (Faison), Eduardo Miranda, Carlos Gordo Monso, NEES EOT
These experimental research tests at nees@berkeley are part a project titled "Hybrid Simulation of Multi Story Structural Systems Through Collapse" funded by the George E. Brown, Jr. Network for...
World Forum 2006 Final Report
15 Aug 2013 | Historical Documents | Contributor(s): Billie F. Spencer, Robert T. Leon
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...
Dynamic Collapse of Reinforced Concrete Columns
08 May 2013 | Publications | Contributor(s): Chiun-lin Wu, Yuan-Sen Yang
The goal of this project was to study the dynamic collapse mechanism of a low ductility reinforced concrete frame. It completed several RC frame collapse experiments using shake table at NCREE,...
Investigation of the effect of Transfer System Delay on Multi-degree of Freedom System Real-time Hybrid Simulation
03 May 2013 | Publications | Contributor(s): Amin Maghareh, Shirley Dyke
Real-time hybrid simulation (RTHS) is a promising cyber-physical technique for the experimental evaluation of civil infrastructure systems subject to extreme dynamic loading. It allows for...
Los Angeles Tests Water Pipes That Stand Up to Quakes
15 Apr 2013 | Notes | Contributor(s): NEES Media Communications
Wall Street Journal | April 15, 2013 Newspaper and online. Story covers NEES resiliency research and quotes NEES@Cornell researcher Thomas O'Rourke. See attached PDFs.
Watts Towers, iconic LA landmark, focus of conservation efforts
10 Apr 2013 | Notes | Contributor(s): NEES Media Communications
KCRW | Radio interview and blog post | April 1, 2013 See attached audio clip and online story. The Watts Towers are one of LA’s most famous landmarks. The sculptures were handmade by an...
NEEShub Databases, Quick access to concrete data
09 Apr 2013 | Active Documents | Contributor(s): JoAnn Browning, Santiago Pujol, Rudi EIgenmann, Julio Ramirez
Concrete International | April 2013 Earthquake engineers describe the advantages of using the NEES cyberinfrastructure for conducting research, especially for understanding the behaviors of...
04 Apr 2013 | Publications | Contributor(s): JoAnn Browning, Santiago Pujol, Rudi Eigenmann, Julio Ramirez
NEES researchers describe the benefits of using the NEEShub cyberinfrastructure for conducting earthquake engineering studies and in particular, studies related to the behavior of concrete. The...