2015 Three-Dimensional Shaking Table Test of a 10-Story Reinforced Concrete Building on the E-Defense, Part 2: Specimen Fabrication and Construction, Test Procedure, and Instrumentation Program

Abstract eng:
The E-Defense, which is the world's largest three-dimensional (3D) full-scale earthquake shaking table test facility, was built by the National Research Institute for Earth Science and Disaster Resilience (NIED) with the aim of shedding light on the failure mechanisms of full-scale structures during earthquakes and verifying the effects of seismic retrofitting. Since its start of operations in April 2005, a wide variety of structures have been tested on this facility. In December 2015, NIED performed tests on a 10-story reinforced concrete building frame on the E-Defense in order to gain building engineering knowledge that will enable continued use of buildings after a major earthquake. In this experiment, data was obtained from the structure equipped with a base slip mechanism to examine the efficacy of the base slip construction method. After the base slip construction test, the base of the same specimen was fixed in place to simulate conventional construction conditions and testing was conducted in order to compare fixed-in-place behavior with the base slip response behavior, determine the damage process of each member, and examine damage and response evaluation methods. This paper discusses the specimen fabrication and construction, as well as the test preparations. Because of testing facility and specimen transport constraints, the specimen was fabricated in two separate parts at the outdoor grounds of the Hyogo Earthquake Engineering Research Center: one part consisting of the 1st floor to the middle of the 6th floor and another from the middle of the 6th floor to the rooftop. The two separately fabricated parts of the specimen were joined on top of the shaking table to produce a 10-story reinforced concrete building specimen. The base slip construction test was performed first, after which the specimen foundation was fixed to the shaking table and the specimen was tested in that condition. Finally, we discuss the instrumentation for measuring the specimen response. The floor acceleration and story drift at each story, reinforcement strains, shear wall deformations, and other measurements were taken in a total of 654 channels.

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