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NEES Project Warehouse

Performance-Based Design for Cost-Effective Seismic Hazard Mitigation in New Buildings Using Supplemental Passive Damper Systems
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To compare experiments, please select at most four experiments from the experiment list below.

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  Experiment-2: Characterization tests on 2nd generation elastomeric dampers
Dates: March 14, 2011 - August 28, 2011
Description: This experiment is a part of characterization tests done on elastomeric dampers. Tests include 12 sinusoidal cycles, among which 2 are ramp up cycles, 7 are full cycles and 3 are ramp down cycles. Different displacement amplitudes and different excitation...
Facility: Lehigh University, PA, United States
This figure shows dampers in test setup and instrumentation.

 Launch

113 Interactive Files
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  Experiment-3: Characterization tests on 2nd generation elastomeric dampers - retest temperature sensitivity
Dates: May 11, 2011 - August 28, 2011
Description: This experiment is to consider dependance of elastomeric damper performance on ambient temperature.
Facility: Lehigh University, PA, United States
Temperature chamber

 Launch

51 Interactive Files
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  Experiment-4: Characterization tests of nonlinear viscous damper
Dates: February 10, 2012 - May 10, 2012
Description: Characterization tests of nonlinear viscous dampers under sinusoidal displacement loading protocol. This loading protocol has a total of 12 sinusoidal cycles, including 2 ramp up cycles, 7 full cycles and 3 ramp down cycles. Different displacement amplitudes...
Facility: Lehigh University, PA, United States


  Experiment-5: Characterization tests of 3rd generation elastomeric dampers
Dates: May 29, 2012 - October 03, 2012
Description: Characterization tests of the 2nd generation elastomeric dampers are documented in experiment 2 and experiment 3 folders. As mentioned in report of these experiments, the 2nd generation elastomeric damper did not achieve the desired pre- compression...
Facility: Lehigh University, PA, United States


  HybridSimulation-1: Real-time Hybrid Simulation of a large-scale steel structure with Viscous Dampers-Phase 2
Dates: December 12, 2012 - May 09, 2013
Description: The purpose of the RTHS is to experimentally validate the performance-based seismic design of the three-story building constructed of structural steel and equipped with nonlinear rate-dependent viscous dampers. The prototype building for the study is...
Facility: Lehigh University, PA, United States
Enter experiment photo caption

 Launch

31 Interactive Files
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  HybridSimulation-2: Real time hybrid simulation of a steel structure with elastomeric dampers, phase 1, layout 1
Dates: September 25, 2012 - September 27, 2012
Description: This experiment investigates elastomeric damper behavior in a 3 story, 0.6 scaled steel structure. Structure is consisted of a moment resistant frame (MRF), a damped braced frame (DBF), a lean on column, floor masses and two elastomeric dampers in the...
Facility: Lehigh University, PA, United States


  HybridSimulation-3: Real time hybrid simulation of a steel structure with elastomeric dampers, phase 1, layout 2
Dates: September 24, 2012 - September 27, 2012
Description: These experiments are to check performance of a steel structure designed with elastomeric dampers. Structure has 4, 3 and 2 dampers in the 1st, 2nd and 3rd stories respectively. Moment resistant frames (MRFs), damped braced frames (DBFs), floor masses...
Facility: Lehigh University, PA, United States


  HybridSimulation-4: Real-time Hybrid Simulation of a large-scale steel structure with Viscous Dampers -Phase 3
Dates: July 08, 2013 - August 01, 2013
Description: In this stage of the project, the MRF system is now connected.
Facility: Lehigh University, PA, United States


  HybridSimulation-5: Real-time Hybrid Simulation of MRF-DBF system with Elastomeric Dampers Phase 2
Dates: August 28, 2013 - September 30, 2013
Description: MRF, floor masses, lean on column and 2% Rayleigh damping assigned to the 1st and 2nd modes are modeled analytically. DBF with elastomeric dampers forms experimental substructure. This assembly of a 100V frame with DBF is called 100V+DBF in this study...
Facility: Lehigh University, PA, United States


  HybridSimulation-6: Real-time Hybrid Simulation of a large-scale steel structure with Viscous Dampers-Phase 1
Dates: March 16, 2012 - August 27, 2012
Description: The real-time hybrid simulations (RTHS) are conducted to check performance of a steel structure designed with nonlinear viscous dampers. The prototype structure is comprised of a moment resisting frame (MRF), a damped brace frame (DBF) with nonlinear...
Facility: Lehigh University, PA, United States
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