Chain/Sprocket, Raised Floor System, Building Constructional Component
Chain/Sprocket, Raised Floor System, Building Constructional Component
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| Characteristics / Specifications / Certification | Example of Installment Connections / Layout Drawings / Installment Procedures | Vibration Stage Test |
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Test condition on vibration stage
Tests on the vibration stage are continuously conducted.
Performance of base-isolation foundation SKID is confirmed based on the test results and depending on the condition of the earthquake.
Outline of test |
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Figure of relation between the maximum answering acceleration and the maximum Input acceleration
Test date
April 2004
Test location
Vibration stage at the Institute of Industrial Science, University of Tokyo
Input seismic wave
Original wave and floor answering wave of the following seismic wave
Input acceleration
El Centro wave （Imperial Valley Earthquake）
Hachinohe harbor wave （Tokachi-Oki Earthquake ）
Tohoku University 1st Floor （Miyagi-Oki Earthquake ）
Kobe marine observatory wave （Hyogoken-Nambu Earthquake）
Vibration input number
Approximately 120 waves
Test Result |
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Imperial Valley earthquake
[Answering wave on the 5th floor of a 5-storied RC building ]
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SKID-AN |
SKID-AR |
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Input acceleration |
Maximum acceleration: 716gal |
Maximum acceleration: 697gal |
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Answering acceleration |
Maximum answering acceleration: 94gal |
Maximum answering acceleration: 140gal |
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Relative displacement |
Maximum answering displacement: 12.5cm |
Maximum answering displacement: 9.5cm |
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Miyagi-Oki Earthquake
[Answering wave on the 5th floor of a 5-storied RC building ]
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SKID-AN |
SKID-AR |
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|---|---|---|---|---|
Input acceleration |
Maximum acceleration: 766gal |
Maximum acceleration: 852gal |
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Answering acceleration |
Maximum answering acceleration: 114gal |
Maximum answering acceleration: 147gal |
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Relative displacement |
Maximum answering displacement: 16.8cm |
Maximum answering displacement: 15.7cm |
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Downloading Video File |
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Experiment of base-isolation foundation SKID (Video)
The test condition of the base-isolation foundation SKID can be seen by downloading the video file.
The video file is an LHA file supplied in self-decompressing form.
Click the download button of an item to view and temporarily store the related video file on the hard disk. Double click the stored video file to automatically decompress the video file and the video can be viewed in the form of a .WMV file.
Tohoku University 1st Floor （Miyagi-Oki Earthquake ） |
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Input Wave |
Answering wave on the 5th floor of a 5-storied RC building |
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Input acceleration |
Horizontally 760gal (one direction), Vertically 370 gal |
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Downloading Video File |
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Kobe marine observatory wave （Hyogoken-Nambu Earthquake） |
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Input Wave |
Answering wave on the 5th floor of a 5-storied RC building |
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Input acceleration |
Horizontally 700gal (one direction), Vertically 350 gal |
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Downloading Video File |
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El Centro wave （Imperial Valley Earthquake） |
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Input Wave |
Answering wave on the 5th floor of a 5-storied RC building |
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Input acceleration |
Horizontally 710gal (one direction), Vertically 380 gal |
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Downloading Video File |
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Hachinohe harbor wave （Tokachi-Oki Earthquake ） |
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Input Wave |
Answering wave on the 5th floor of a 5-storied RC building |
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Input acceleration |
Horizontally 590gal (one direction), Vertically 320 gal |
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Downloading Video File |
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Windows Media Player is required for viewing videos. |
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