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You are here: Home / Project Spotlight

Testing of NEESR-CR: Post-Tensioned Coupled Shear Wall Systems at Lehigh University Friday, November 10, 2014

September 9, 2014  
Filed under Project Spotlight

This NEESR project entitled NEESR-CR: Post-Tensioned Coupled Shear Wall Systems (PIs: Yahya Kurama, University of Notre Dame, and Michael McGinnis, University of Texas at Tyler) is conducting large-scale experiments and accompanying numerical simulations of post-tensioned coupled shear wall structures at the Real-time Multi-directional (RTMD) Earthquake Simulation Facility, the Lehigh NEES Equipment Site. The goal of this NEESR project is to develop a new type of earthquake-resistant reinforced concrete (RC) coupled wall system with significant performance and economic benefits over conventional coupled wall systems.

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Full-scale, components test of Inertial Force-Limiting Floor Anchorage Systems for Seismic Resistant Building Structures

May 29, 2014  
Filed under Project Spotlight

The NEESR project entitled NEESR: Inertial Force-Limiting Floor Anchorage Systems For Seismic Resistant Building Structures (PI: R. Fleischman, J. Restrepo, R. Sause) is currently conducting a full-scale components test at the Real-time Multi-directional (RTMD) Earthquake Simulation Facility, the Lehigh NEES Equipment Site. The testing of the anchorage system that uses a Buckling Restrained Brace in […]

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Engineers re-create tsunami debris impacts to measure their force

April 4, 2014  
Filed under Project Spotlight

In a tsunami, devastation is created by far more than the wave itself. Debris that hits homes and other structures plays a huge role in a tsunami’s destructive power. But until now, engineers could only estimate the forces at work when debris, such as a floating telephone pole, hits a house. With support from the […]

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Testing of NEESR-CR: Post-Tensioned Coupled Shear Wall Systems at Lehigh University Friday, November 08, 2013

November 8, 2013  
Filed under Project Spotlight

This NEESR project entitled NEESR-CR: Post-Tensioned Coupled Shear Wall Systems (PIs: Yahya Kurama, University of Notre Dame, and Michael McGinnis, University of Texas at Tyler) is conducting large-scale experiments and accompanying numerical simulations of post-tensioned coupled shear wall structures at the Real-time Multi-directional (RTMD) Earthquake Simulation Facility, the Lehigh NEES Equipment Site. The goal of this NEESR project is to develop a new type of earthquake-resistant reinforced concrete (RC) coupled wall system with significant performance and economic benefits over conventional coupled wall systems.

[Read More]

Full-scale testing of partially-grouted, reinforced concrete masonry wall structure

October 4, 2013  
Filed under Project Spotlight

***Active Testing October 4th between 5am and 5pm EDT *** NEES@Lehigh with University of Minnesota is testing a full-scale partially-grouted, reinforced concrete masonry wall structure. The goal for this NEESR project is to enhance our understanding of the mechanics and inelastic behavior of these structures at the component and system levels, and to validate the proposed […]

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Real-time Hybrid Simulations of a Large-scale Steel Structure with Elastomeric Dampers

September 17, 2013  
Filed under Project Spotlight

Tested September 18-19, 2013 between 10 am and 4 pm EDT Phase 5: Steel moment resistant frame was designed for 100% of design base shear. ground motions were scaled to maximum considered earthquake (MCE) hazard level. The NEESR project entitled NEESR-CR: Performance-Based Design for Cost-Effective Seismic Hazard Mitigation in New Buildings Using Supplemental Passive Damper […]

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Real-time Hybrid Simulations of a Large-scale Steel Structure with Nonlinear Viscous Dampers Subjected to the Maximum Considered Earthquake Hazard Level

July 18, 2013  
Filed under Project Spotlight

NEES@Lehigh is current conducting Real-Time Hybrid Simulations of the MRF-DBF system, configured with viscous dampers at MCE hazard level. Read more at the link below.

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Real-time Hybrid Simulations of a Large-scale Steel Structure with Nonlinear Viscous Dampers

April 30, 2013  
Filed under Project Spotlight

NEES@Lehigh is current conducting Real-Time Hybrid Simulations of the MRF-DBF system, configured with viscous dampers. Read more for video highlights.

[Read More]

Seismic Hazard Mitigation using Passive Damper Systems

March 21, 2011  
Filed under Project Spotlight

NEES@Lehigh is current conducting tests using elastomeric dampers.  The vision for the project is a validated multi-level, probabilistic, performance-based seismic design procedure for buildings with supplemental passive damping systems.  The performance-based design procedure will be used to produce several design cases for each prototype building, by varying the strength of the steel frames and the […]

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MR Damper Projects

December 28, 2010  
Filed under Project Spotlight

In 2010, NEES@Lehigh continued to evaluate the Semi-active Magneto Rheological (MR) Damping systems for NEES and commercial projects through Purdue University, the University of Connecticut and ConnDOT.  Currently, NEES@Lehigh is continuing to test these devices under Hybrid Testing scenarios.

[Read More]

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