Japan. The main research item in the last two year was full-scale shake table tests using E-Defense, which is the largest shake table in the world. Shake table tests in E-Defense were conducted on the full-scale Japanese post-and-beam type wooden houses using more than 10 test models including traditional type Japanese wooden houses.
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More recently, based on a full-scale shake table experiment at the E-Defense facility in Japan a 4 story steel structure with SMFs collapsed with a first story mechanism under severe ground ...
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The building (Figure 1) was tested in September 2007 on the E-Defense shake table located in Miki, Japan. Story heights and bay widths were typical full-scale dimensions, but the numbers of bays were fewer than usual in order to optimize the specimen in re-lation to the shake table capabilities. Typical Japanese design and construction practice
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2.1 Test structure and loading protocol. To obtain realistic seismic responses of high-rise buildings with sliding bases or with fixed bases, a full-scale ten-story reinforced concrete (RC) building was tested on the E-Defense shake table in 2015 using three-directional seismic motion inputs (Fig. 1) (Kajiwara et al. 2021).The test specimen had a …
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This paper presents the results of a large-scale shake table test at E-Defense facility on a pile group located adjacent to a gravity-type quay wall and were subjected to liquefaction-induced large ground displacements. Extensive liquefaction-induced large ground lateral spreading displaced the quay wall about 2.2 m and …
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A full-scale earthquake simulation of a five-story steel moment frame building at E-Defense, the world's largest single shake table facility in Miki, Japan, in August 2011 provided realistic data to improve and validate current modeling approaches for steel structures with composite floor systems.
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2. E-DEFENSE SHAKE-TABLE EXCITATIONS 2.1. Column configuration and properties Fig. 1 shows C1-6 column which is a 7.5 m tall, 1.8 m by 1.8 m square, cantilever column. It was designed based on the 2002 Japan Specifications …
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Following an agreement (see below) between the Japan Ministry of Education, Culture, Sports, Science and Technology (MEXT) (opens a new window) and the U.S. National Science Foundation (NSF) (opens a new window), the First Planning Meeting for NEES/E-Defense Collaboration on Earthquake Engineering Research was held in 2004.This …
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The system was recently tested at full scale at the E-Defense shake-table facility in Miki, Japan. This paper provides an overview of pre-test numerical simulations, shake-table test setup and instrumentation, and preliminary test results. ... As shown by the results of experiments 1 and 4 in Table 2, these changes give us a comparable ...
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The development of E-Defense, currently known as the world's largest shaking table, 1 was motivated by occurrence of the Hyogoken Nanbu (Kobe) earthquake in Japan on January
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As part of a major study on the seismic response of bridges by the National Research Institute for Earth Science and Disaster Prevention (NIED), Japan, a full-scale column incorporating an advanced material – polypropylene fiber reinforced cement composites (PFRC) at the plastic hinge region and part of the footing was recently tested …
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A full-scale, four-story, reinforced concrete building designed in accordance with the current Japanese seismic design code was tested under multi-directional shaking on the E-Defense shake table ...
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Eiji SATO's 70 research works with 695 citations and 8,876 reads, including: Full-scale shaking table experiments on the seismic response of a 10-story reinforced-concrete building: overview and ...
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The E-Defense shake table, the largest in the world, has plan dimensions of 20 m × 15 m allowing the two buildings to be tested simultaneously as shown in Figure 1(a). Each building weighed approximately 5900 kN and the combined weight of the two buildings was 98% of E-Defense table capacity.
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In August 2011, a monumental series of shake table tests were completed at the Hyogo Earthquake Engineering Research Center, otherwise known as E-Defense, of the …
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National Research Institute for Earth Science and Disaster Resilience(NIED)has been constructing 3-D Full-Scale Earthquake Testing Facility, nicknamed "E-Defense" in the city of Miki, to the north of Kobe.Construction of this facility began in 1999 and will be completed in 2005. Therefore, this facility will begin to make its contribution ten years after the …
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This paper presents application of ASCE/SEI 41–17 nonlinear seismic analysis and evaluation procedures to the 10-story reinforced concrete building tested on the E-Defense shake table in December 2015. Primary lateral load resisting system of the building was reinforced concrete frame in the longitudinal direction and RC wall in the …
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A series of large-scale dynamic tests was conducted on a passively controlled five-story steel building on the E-Defense shaking table facility in Japan to accumulate knowledge of realistic seismic behavior of passively controlled structures. The specimen was tested by repeatedly inserting and replacing each of four damper types, …
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This article introduces the researches and developments using E-Defense, chronologically linking them with the major earthquakes occurred in Japan after 1995.
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E-Defense. Utilizing the Three-Dimensional Full-Scale Earthquake Testing Facility, life-size structures can be tested under complex three-dimensional motions such as that of the 1995 Hyogo-ken Nanbu earthquake so that their collapsing behaviors can be observed in detail. ... Specifi cation of Shake Table Table Size 20m x 15m Payload 12MN ...
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The system was recently tested at full scale at the E-Defense shake-table facility in Miki, Japan. This paper provides an overview of pre-test numerical simulations, …
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Note that the simulation does not reproduce the collapse under the excitation of the Takatori record in the E-Defense test. Therefore, simulations for the 115% case are also performed. The results obtained by E-Simulator are compared with those obtained by the E-Defense full-scale test in order to validate the results obtained by E-Simulator.
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of full -size CLT walls, a 3 story shake table test, and a full scale 7-story CLT structure test performed at the E-Defense shake table in Japan. The project included the design and shake-table testing of 3-story and 7-story CLT shake-table test specimens. For the 3-story CLT structure (Ceccotti and Follesa 2006), the unidirectional
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To investigate the effects of vertical response on building contents and nonstructural components, a series of full‐scale shaking table tests were conducted at the E‐Defense facility in Japan. A four‐story base‐isolated reinforced concrete building was outfitted as a medical facility with a wide variety of contents, and the behavior of ...
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The experiment described herein was conducted in 2010 at the E-Defense shake table facility in Japan and included dynamic testing of a full-scale, four- story precast concrete building. The test building utilized UPT walls coupled to corner columns by UPT beams in one principal direction of building response, and bonded post-tensioned concrete ...
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Full-Scale Building Tests on World's Largest Earthquake Shaking Table. Located just north of Kobe in Miki City, Japan, the E-Defense shake table measures approximately 65 by 49 ft. and can support building experiments weighing over two million pounds. Tremors lasted only 20 seconds during the disastrous 1995 Kobe earthquake.
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Using a large-scale specimen of soil-underground structures with in-ground connections, a series of E-Defense shake table tests was performed in February, 2012 in order to gain better ...
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E-Defense, which is operated by the Japanese National Research Institute for Earth Science and Disaster Resilience, currently …
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2 Importance of large scale shake table tests and details of the 2010 E-defense shake-table test program 2.1 Importance of real data in earthquake engineering The need for real data is essential in earthquake engineering to validate our current knowledge while providing opportunities to verify the newly proposed methodologies.
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shaking table test of 4-story steel building was carried out at E-defense. This test is a part of the experimental project on steel buildings conducted at the E-Defense shake-table facility. The overview of the project is presented in Kasai et al. (2007). The building specimen was designed current Japanese specifications and practices.
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A series of shake-table tests was conducted by inserting and replacing 4 different types of dampers, or by removing them in a full-scale 5-story steel frame building. The objective is to validate response-control technologies that are increasingly adopted for major Japanese buildings without being attested to-date by a major earthquake. Test …
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A major research project on steel buildings utilizing the E-Defense three-dimensional shake table facility is underway in Japan. It involves several studies on …
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Wide-ranging participation from the US and Japan is being encouraged in the NEES/E-Defense Collaboration Research Program utilizing the E-Defense shaking table facility. A major research project on steel buildings utilizing the E-Defense three-dimensional shake table facility is underway in Japan.
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However, this is in contrast with the results of recent test programs performed on full-scale isolated buildings conducted at the E-Defense shaking table of Japan [74, 75,78]. More specifically ...
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National Research Institute for Earth Science and Disaster Prevension, Japan SUMMARY: A series of E-Defense shake table tests with a large-scale soil-underground structure specimen was conducted at ... prompt test results including damage inspection of the structure models and sensor records are provided. 2. SPECIFICATIONS OF E …
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