A complete introduction to the SCJ proposal and its commentary on the development of seismically resilient cities
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In modern society, the population, wealth and social functions are increasingly concentrated in a few large cities. Such concentration brings about efficiency while at the same time it increases the vulnerability of the society. To address this issue, the Science Council of Japan (SCJ) published a proposal entitled “Shape Cities and Societies Safer against Severe Earthquakes”. It makes a variety of suggestions for enhancing the seismic resilience of large cities, including: (1) comprehensive thinking based on the latest scientific knowledge and rich imagination; (2) selection of sites suitable for residence and social activities; (3) introducing the urban seismic coefficient; (4) promoting the enhancement of the seismic performance of buildings and civil structures; (5) easing the concentration of population and functions; (6) building communities that enable shelter and escape; (7) resilient technology of information and communication system and its effective utilization; (8) preparation and implementation of emergency response after earthquakes; (9) development and application of new structural seismic technology; (10) learning from domestic and foreign earthquake disasters and launching of international cooperation and knowledge sharing and (11) taking actions from a multidisciplinary perspective. The proposal is introduced in this paper.
Keywordslarge earthquake large city urban disaster resilience society earthquake engineering
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The authors are grateful to Professor Tony Yang at the University of British Columbia, Professor Suwen Chen at Tongji University and Dr. Zhen Zhao at the Institute of Engineering Mechanics, CEA for their help in preparing this paper. This work was partly supported by the Scientific Research Fund of Institute of Engineering Mechanics, China Earthquake Administration (Grant No. 2016A05). The financial support is highly appreciated.
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