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NEES Project Warehouse

TIPS - Tools to Facilitate Widespread Use of Isolation and Protective Systems, a NEES/E-Defense Collaboration
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To compare experiments, please select at most four experiments from the experiment list below.

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  Experiment-1: Stability of Elastomeric Bearings
Dates: December 21, 2009 - February 01, 2010
Description: Elastomeric rubber bearings are widely used for seismic applications to minimize the structural damage typically found in buildings and bridges in the event of an earthquake. This research has two main objectives, first to increase the available data...
Facility: State University of New York at Buffalo, NY, United States


  Experiment-2: Bi-Directional Characterization of Triple Friction Pendulum Isolators
Dates: September 03, 2008 - December 18, 2008
Description: Controlled displacement and earthquake simulations were performed on a rigid block specimen supported by 4 triple pendulum bearings. These tests are consistent with the test protocol used for other bearing data archived in the Caltrans/EERC Protective...
Facility: University of California, Berkeley, CA, United States


  Experiment-3: Full Scale 5-story Building with Triple Pendulum Bearings at E-Defense
Dates: August 17, 2011 - August 19, 2011
Description: In this experiment, shake table tests were performed on a 5-story full scale steel moment frame building isolated with triple pendulum bearings. The isolation system consisted of 9 bearings, one beneath each column of the building. 21 trials were performed...
Facility: Hyogo Earthquake Engineering Research Center (E-Defense), Miki, Japan


  Experiment-4: Full Scale 5-story Building with LRB/CLB Isolation System at E-Defense
Dates: August 25, 2011 - August 26, 2011
Description: In this experiment, shake table tests were performed on a 5-story full scale steel moment frame building isolated with 4 lead-rubber bearings (LRBs) and 5 cross-linear bearings (CLBs). LRBs were located at edge column locations, and LRBs were located...
Facility: Hyogo Earthquake Engineering Research Center (E-Defense), Miki, Japan


  Experiment-5: Full Scale 5-story Building in Fixed-Base Condition at E-Defense
Dates: August 31, 2011 - August 31, 2011
Description: In this experiment, shake table tests were performed on a 5-story full scale steel moment frame building in the fixed-base condition. The tests were performed to compare the response of nonstructural components and contents in the fixed-base configuration...
Facility: Hyogo Earthquake Engineering Research Center (E-Defense), Miki, Japan


  Experiment-7: Berkeley - Intermediate Moment Frame Post Yield Behavior
Dates: March 09, 2012 - May 04, 2012
Description: The purpose of this experiment was to look at post yield behavior of an seismically isolated structure.
The test specimen is a 2-story, 2-bay steel ...
Facility: University of California, Berkeley, CA, United States


  Experiment-8: Limit State Behavior of Base Isolated Structures: Fixed Base Moment Frame
Dates: September 03, 2010 - September 07, 2010
Description: This experiment was conducted to investigate the linear and nonlinear behavior of a 3-story moment frame in a fixed base condition. The moment frame was shaken in only one horizontal direction. It was also attached to a gravity frame that provided the...
Facility: State University of New York at Buffalo, NY, United States


  Experiment-9: Limit State Behavior of Base Isolated Structures: Base Isolated Moment Frame without Impact
Dates: October 04, 2010 - October 04, 2010
Description: For this experiment, the moment frame used in fixed base testing was replaced by an identical one. Also, friction pendulum bearings were installed at the base of the structure to provide base isolation. Dynamic ground motion simulations were applied...
Facility: State University of New York at Buffalo, NY, United States


  Experiment-10: Limit State Behavior of Base Isolated Structures: Base Isolated Moment Frame with Impact on Concrete Moat Wall
Dates: October 19, 2010 - November 19, 2010
Description: This experiment was conducted to investigate the effects of pounding on a base isolated moment frame. Concrete moat walls were placed between 4 and 6 inches from the base of the structure. Different moat wall thicknesses were also tested to see the effects...
Facility: State University of New York at Buffalo, NY, United States


  Experiment-11: Limit State Behavior of Base Isolated Structures: Base Isolated Moment Frame with Impact on Steel Moat Wall
Dates: November 19, 2010 - December 03, 2010
Description: This experiment investigated the effects of pounding on a base isolated moment frame with a steel moat wall. For this experiment, a steel moat wall was placed between 4" and 6" from the base of the moment frame. The moment frame was excited horizontally...
Facility: State University of New York at Buffalo, NY, United States


  Experiment-12: Limit State Behavior of Base Isolated Structures: Base Isolated Moment Frame with Moat Wall Impact and Bumpers
Dates: October 22, 2010 - December 03, 2010
Description: For this experiment, additional shake table tests were conducted on the 3-story moment frame with base isolation. Concrete blocks were attached to the base of the moment frame structure for impact with the moat walls. These tests were conducted with...
Facility: State University of New York at Buffalo, NY, United States


  Experiment-13: Berkeley - Special Moment Resisting Frame Post Yield Behavior
Dates: May 07, 2012 - May 14, 2012
Description: The purpose of this experiment was to look at post yield behavior of an seismically isolated structure.
The test specimen is a 2-story, 2-bay steel ...
Facility: University of California, Berkeley, CA, United States


  Experiment-14: Berkeley - Seismic Evaluation of Aged Lead Rubber Bearings
Dates: June 10, 2012 - June 17, 2012
Description: A suite of ground motions scaled to the LRBs were simulated, with the intent of observing the performance of the structure and the effects of aging on the bearings. These bearing were manufactured over 40 years ago, and several had previously been subjected...
Facility: University of California, Berkeley, CA, United States
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