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NEES Project Warehouse

Seismic Design of Reinforced Masonry Shear-wall Structures
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Complete - 01/29/2014

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SHAKE-TABLE TESTING OF A 2 STORY, FULL-SCALE, REINFORCED MASONRY WALL SYSTEM
Experiment Type: Shake Table
Description: The data presented here were obtained from the shaking-table testing of a full-scale, two-story, reinforced masonry shear wall system conducted on the NEES Large High-Performance Outdoor Shake Table (LHPOST) at the University of California, San Diego in September 2012. The test structure was designed using a displacement-based method and was checked and detailed in accordance with the draft limit-design requirements (Draft Appendix C) of the 2013 MSJC Code. The design earthquake load was based on Seismic Design Category D according to ASCE 7-10 with SD1 = 0.6g and SDS = 1g. However, it did not meet the prescriptive reinforcement requirements of the 2011 MSJC Code for special reinforced masonry shear walls. The main purpose of the tests was to validate the new design method used in this research. The test structure was designed for a seismic mass that was 1.7 times the gravity mass. Since the structure was tested with the gravity mass only, the additional seismic mass was accounted for in the tests by scaling up the seismic acceleration by a factor of 1.7 and compressing the time by a factor of 0.77. The structure was subjected to uni-directional ground motions exerted by the table. The testing sequence included low level white noise tests, and seismic base excitations using scaled El Centro 1979 ground motion records. Detailed information on the design and instrumentation is provided in the meta-data document and a doctoral dissertation available in this data repository.
Dates: July 09, 2012 - September 11, 2012
Facility: University of California, San Diego, CA, United States
Equipment: View Details
Specimen Type: second shake-table specimen
Material: Steel Steel (view)
Concrete Concrete (view)
Grout Cylinder Grout Cylinder (view)
more...

Sensors: sensors
Drawings: more...
Data:
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Documentation
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Tags (keywords):
  1. reinforced masonry; seismic performance; displacement-based design
  2. shaking table