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NEES Project Warehouse

Behavior of Braced Steel Frames With Innovative Bracing Schemes - A NEES Collaboratory Project
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To compare experiments, please select at most four experiments from the experiment list below.

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  Experiment-1: Shaking Table Test 1
Dates: December 08, 2004 to Present
Description: First shaking table test. The frame is not braced laterally and the beam experiences lateral torsional buckling.
Facility: State University of New York at Buffalo, NY, United States
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 Launch

3 Interactive Files
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  Experiment-2: Material Characterization
Dates: March 23, 2005 - December 31, 1969
Description: Tension test coupons were performed. Modulus of elasticity, yield point and ultimate capacity are obtained. Data is posted under Documentation. All specimens were fabricated by the University at Buffalo and thus material properties did not vary from...
Facility: State University of New York at Buffalo, NY, United States


  Experiment-3: Georgia Tech 1
Dates: July 16, 2005 - July 02, 2007
Description: First zipper frame at Georgia Tech. Three inelastic tests were run:(1) Quasi-static test at­ 100% of LA22 (2) Quasi-static test at­ 150% of LA22 (3) Quasi-static test at­ 200% of LA22
Facility: Georgia Institute of Technology, GA, United States

 Launch

1 Interactive Files
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  Experiment-4: Colorado FHT
Dates: September 27, 2005 to Present
Description: Fast-Hybrid zipper frame tests conducted at the University of Colorado
Facility: University of Colorado at Boulder, CO, United States


  Experiment-5: Shaking Table Test 2
Dates: August 01, 2005 to Present
Description: This test has the same setup as Shaking Table Test 1 but the beams at all floor are braced against rotation.
Facility: State University of New York at Buffalo, NY, United States
Enter experiment photo caption

 Launch

4 Interactive Files
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  Experiment-6: FHT - Specimen 3
Dates: September 12, 2005 - April 28, 2009
Description: In the hybrid tests carried out at CU, only the bottom-story braces of a three-story zipper frame were tested, while the rest of the frame was modeled in a computer using a general structural analysis framework, OpenSEES. In the computer simulation during...
Facility: University of Colorado at Boulder, CO, United States


  Experiment-7: FHT - Specimen 4
Dates: September 30, 2005 - April 28, 2009
Description: In the hybrid tests carried out at CU, only the bottom-story braces of a three-story zipper frame were tested, while the rest of the frame was modeled in a computer using a general structural analysis framework, OpenSEES. In the computer simulation during...
Facility: University of California, San Diego, CA, United States
University of Colorado at Boulder, CO, United States


  Experiment-8: Georgia Tech 2
Dates: February 02, 2006 - April 02, 2007
Description: The zipper frame was subjected to a set of pushover loading in order to investigate the capacity of such a zipper frame. The pushover curve was developed through this experiment. Comparisons between the analytical results and experimental results validate...
Facility: Georgia Institute of Technology, GA, United States

 Launch

1 Interactive Files
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  Experiment-9: Georgia Tech 3
Dates: February 05, 2004 - February 04, 2007
Description: Examines the seismic behavior of the 1/3 zipper frame in terms of quasi-static test programs using 1985 Chile record.
Facility: Georgia Institute of Technology, GA, United States


  Experiment-10: Quasi-Static Test
Dates: June 01, 2005 - June 01, 2005
Description: Quasi-static test to calibrate the zipper brace hysteresis.
Facility: University of California, Berkeley, CA, United States


  Experiment-11: Local Hybrid Simulation Test
Dates: June 16, 2005 - June 16, 2005
Description: Local hybrid simulation. UCB experimental brace 1st story brace.
Facility: University of California, Berkeley, CA, United States


  Experiment-12: Disbributed Hybrid Simulation Test
Dates: July 21, 2005 - July 21, 2005
Description: Distributed hybrid simulation. CUB experimental brace 1st story brace. UCB experimental brace 2nd story brace.
Facility: University of California, Berkeley, CA, United States


  Experiment-13: Shaking Table Test 3
Dates: November 29, 2005 to Present
Description: This test is a repetition of Test#1 but with more instrumentation and the brace to beam gusset plate has its original design.
Facility: State University of New York at Buffalo, NY, United States
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