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Problem identification and revitalization strategies for the recovery and reconstruction of traditional villages in the Ms 6.8 Luding Earthquake 被引量:1
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作者 HUANG Chao QIU Jian +3 位作者 LIU Chun JIANG Rui ZHAO Chuanrong ZHANG Yi 《Journal of Mountain Science》 SCIE CSCD 2024年第2期361-379,共19页
Post-disaster reconstruction is a topic of global concern,and traditional villages have special heritage attributes and need to face more requirements and obstacles in post-disaster reconstruction.This paper summarize... Post-disaster reconstruction is a topic of global concern,and traditional villages have special heritage attributes and need to face more requirements and obstacles in post-disaster reconstruction.This paper summarizes four concepts based on the research on post-disaster reconstruction both domestically and internationally,as well as the recovery and reconstruction of cultural heritage.Through a field survey of traditional villages in the Ms 6.8 Luding earthquake-stricken area,it is found that there are problems such as insufficient awareness of heritage value,misalignment of scientific reconstruction technology,and insufficient protection of reconstruction elements during the reconstruction process.Traditional villages face the risk of declining or even loss of heritage value.In order to effectively protect traditional villages and inherit the carrier of regional culture,four targeted reconstruction response strategies are proposed,i.e.,to"establish special planning for traditional village preservation","emphasize recovery of the authenticity of village heritage","ensure elements for village heritage recovery"and"promote the activation and utilization of village heritage",based on the problems discovered during the survey and the four concepts summarized in the research on post-disaster reconstruction of traditional villages.The research results hope to provide useful reference for ancient cultural areas affected by earthquakes on how to protect cultural heritage during the post-disaster reconstruction process. 展开更多
关键词 Seismic hazard Decision making Traditional village Cultural heritage protection Post-earthquake recovery and reconstruction Revitalization strategy
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GIS as an Information Infrastructure for Recovery and Reconstruction after the Great East Japan Earthquake 被引量:1
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作者 Kayoko Yamamoto 《Journal of Earth Science and Engineering》 2012年第8期461-471,共11页
This study considers the regional characteristics of the Tohoku region and the extent of the damage caused by the Great East Japan Earthquake and makes proposals for recovery and reconstruction of the areas affected b... This study considers the regional characteristics of the Tohoku region and the extent of the damage caused by the Great East Japan Earthquake and makes proposals for recovery and reconstruction of the areas affected by this disaster as well as for a reduction of the impact of natural disasters that may occur in the future with GIS (geographic information systems) as a social infrastructure positioned at the heart of the information infrastructure. Due to the fact that social media that used ICT (information and communication technology) was useful in the days directly after the disaster, it can be said that it is necessary to investigate the provision of an information infrastructure that uses ICT to reduce the impact of disasters. Therefore, this study proposes the construction of a geographical information database using GIS and the provision and sharing of information using social media GIS after discussion of the relationship between the development of the computerization of Japan and GIS as a valid example of using information systems for recovery and reconstruction after the Great East Japan Earthquake. 展开更多
关键词 GIS (Geographic Information Systems) information infrastructure ICT (information and communication technology) recovery and reconstruction Great East Japan Earthquake.
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A Water Line Network Failure Application of Network Design Problems
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作者 Hiroaki Mohri Jun-ichi Takeshita 《Journal of Mathematics and System Science》 2015年第12期493-500,共8页
This study investigated a water supply recovery problem involving municipal water service piping. The problem consisted in recovering full service after network failure, in order to rapidly satisfy all urgent citywide... This study investigated a water supply recovery problem involving municipal water service piping. The problem consisted in recovering full service after network failure, in order to rapidly satisfy all urgent citywide demands. The optimal recovery solution was achieved through the application of so-called network design problems (NDPs), which are a form of combinatorial optimization problem. However, a conventional NDP is not suitable for addressing urgent situations because (1) it does not utilize the non-failure arcs in the network, and (2) it is solely concerned with stable costs such as flow costs. Therefore, to adapt the technique to such urgent situations, the conventional NDP is here modified to deal with the specified water supply problem. In addition, a numerical illustration using the Sendai water network is presented. 展开更多
关键词 Water supply recovery problem Network design problem Network failure recovery and reconstruction plan Combinatorial optimization Risk assessment/management
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Coherence-based performance analysis of the generalized orthogonal matching pursuit algorithm
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作者 赵娟 毕诗合 +2 位作者 白霞 唐恒滢 王豪 《Journal of Beijing Institute of Technology》 EI CAS 2015年第3期369-374,共6页
The performance guarantees of generalized orthogonal matching pursuit( gOMP) are considered in the framework of mutual coherence. The gOMP algorithmis an extension of the well-known OMP greed algorithmfor compressed... The performance guarantees of generalized orthogonal matching pursuit( gOMP) are considered in the framework of mutual coherence. The gOMP algorithmis an extension of the well-known OMP greed algorithmfor compressed sensing. It identifies multiple N indices per iteration to reconstruct sparse signals.The gOMP with N≥2 can perfectly reconstruct any K-sparse signals frommeasurement y = Φx if K 〈1/N(1/μ-1) +1,where μ is coherence parameter of measurement matrix Φ. Furthermore,the performance of the gOMP in the case of y = Φx + e with bounded noise ‖e‖2≤ε is analyzed and the sufficient condition ensuring identification of correct indices of sparse signals via the gOMP is derived,i. e.,K 〈1/N(1/μ-1)+1-(2ε/Nμxmin) ,where x min denotes the minimummagnitude of the nonzero elements of x. Similarly,the sufficient condition in the case of G aussian noise is also given. 展开更多
关键词 compressed sensing sparse signal reconstruction orthogonal matching pursuit(OMP) support recovery coherence
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A Case Study of Tianjin on the Recovery and Reconstruction of Large Cities after Earthquake
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《Natural Disaster Reduction in China》 1997年第2期48-54,共7页
关键词 A Case Study of Tianjin on the recovery and reconstruction of Large Cities after Earthquake
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Qpening of International Conference on Seismic Resistance Achievements of Tangshan Recovery and Reconstruction Resistance and Disaster Prevention Technology The 12th National Meeting of Seismic Resistance
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《Natural Disaster Reduction in China》 1997年第1期38-39,共2页
关键词 Qpening of International Conference on Seismic Resistance Achievements of Tangshan recovery and reconstruction Resistance and Disaster Prevention Technology The 12th National Meeting of Seismic Resistance
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