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Journal of Disaster Research
- ISSN : 1881-2473(Print) / 1883-8030(Online)
- Editor-in-chief :Suminao Murakami (Laboratory of Urban Safety Planning) / Katsuki Takiguchi (Tokyo Institute of Technology)
JDR Vol.4 No.3 Jun. 2009
- “Japan’s Advanced Technology for Building Seismic Protection”
- Editor: Kazuhiko Kasai
- Professor, Tokyo Institute of Technology
Chair, Response Control Committee, Japan Society of Seismic Isolation
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JDR Vol.4 No.3 Jun. 2009
- Editorial:
- Special Issue on “Japan’s Advanced Technology for Building Seismic Protection”
-
Modern buildings have more complex, important functions than ever before, and damage to these functions adversely impacted on socioeconomic activity during and after the 1995 Hyogo-Ken Nanbu Earthquake that leveled much of Kobe, Japan. Although many such buildings protected the lives of occupants, their impaired functioning required costly structural and nonstructural repair.
Questions have been raised about conventional building structure performance enabling inelastic deformation or considerable damage during a major earthquake, as shown in Fig. 1a. Advanced technology such as building base isolation, shown in Fig. 1b, and passive control by dampers, shown in Fig. 1c, was developed prior to the Kobe disaster and became rapidly accepted after it, in line with a strong desire to better protect structural and nonstructural components. In base isolation, a building is placed on a flexible isolator that absorbs lateral ground movement, preventing vibration in the upper parts of the structure, as shown in Fig. 1b. In passive control, dampers connected to the structural frame dissipate seismic input energy, reducing kinetic energy and vibration of the building, as shown in Fig. 1c.
Such advanced technology is currently used for all major buildings and even for small residences in Japan to better protect buildings and their contents. Japan has produced a large number of buildings with the technology, and is believed to have conducted the most extensive research in realizing base isolation and passive control schemes.
This special issue of JDR addresses the present and future of Japan’s advanced technology with special reference to major activities related to design, construction, and research. Its purpose is to globally disseminate and share knowledge on promising schemes to help protect lives and social assets against catastrophic earthquakes.
This issue covers the current status of base isolation and passive control schemes, unique projects promoting technology for structurally challenging cases, building requirements necessitating the use of advanced technology, the status of current codes and specifications, and new directions in technology.
Papers in this issue were authored by leading structural designers and researchers in Japan, to whom we hereby express our deepest gratitude for their invaluable efforts.
- Full-text (PDF)
- Paper:
- Current State of Seismic-Isolation Design
- Nagahide Kani, pp. 175-181
- Abstract | Preview | Full Text (PDF2274KB)
- Paper:
- Iconic Architectural Forms Enabled by Base-Isolation
- Masayoshi Nakai, Yoshio Tanno, Hirokazu Kozuka, and Masato Ohata, pp. 182-191
- Abstract | Preview | Full Text (PDF6597KB)
- Paper:
- A Seismic Isolated Long-Span Overhanging Urban Infrastructure
- Yutaka Nakamura, Toshiaki Saito, and Kazuo Tamura, pp. 192-198
- Abstract | Preview | Full Text (PDF9164KB)
- Paper:
- Seismic Isolation Retrofit for Large-Scale Government Building Identified as Cultural Assets
- Takao Nishizawa, pp. 199-207
- Abstract | Preview | Full Text (PDF6944KB)
- Paper:
- Seismic Isolation Retrofit of a Medical Complex by Integrating Two Large-Scale Buildings
- Yoe Masuzawa and Yoshiaki Hisada, pp. 208-219
- Abstract | Preview | Full Text (PDF4163KB)
- Paper:
- Seismic Roof Isolation over a Large Space —Kyoto Aquarena Roof Design—
- Katsunori Kaneda and Hirokazu Takahashi, pp. 220-228
- Abstract | Preview | Full Text (PDF21635KB)
- Paper:
- Middle-Story Isolated Structural System of High-Rise Building
- Yasuhiro Tsuneki, Shingo Torii, Katsuhide Murakami, and Toshiyuki Sueoka, pp. 229-238
- Abstract | Preview | Full Text (PDF7907KB)
- Paper:
- Seismic Response Control of a Soft First-Story Building
- Yasuhiro Hayabe and Yuichi Watanabe, pp. 239-245
- Abstract | Preview | Full Text (PDF2579KB)
- Paper:
- High-Rise Building Seismic Vibration Control Using Large Tuned Top-Floor Mass Damper
- Akifumi Makino, pp. 246-252
- Abstract | Preview | Full Text (PDF16339KB)
- Paper:
- Structural Control by Innovative Oil Damper with Automatic On/Off Valve Operation
- Haruhiko Kurino, Satoshi Orui, and Kan Shimizu, pp. 253-260
- Abstract | Preview | Full Text (PDF5401KB)
- Paper:
- Building Passive Control in Japan
- Kazuhiko Kasai, Masayoshi Nakai, Yutaka Nakamura, Hidekatsu Asai, Yousuke Suzuki, and Masato Ishii, pp. 261-269
- Abstract | Preview | Full Text (PDF12977KB)
Regular Papers
- Paper:
- Evaluating Planning Process of the Kobe Recovery Plan Based on Project Management Framework
- Toshikazu Ota, Norio Maki, and Haruo Hayashi, pp. 271-281
- Abstract | Preview | Full Text (PDF1697KB)
- Paper:
- Geologist Views of the Predicted Tokai Earthquake
- Akira Tokuyama, pp. 282-290
- Abstract | Preview | Full Text (PDF1227KB)
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