Hiroshima University
Global Environment and Planning Laboratory
Structural Engineering Laboratory for Design and Maintenance of Structures

Research

Development of a statistical causal discovery for infrastructure stock effects

Interregional highways are constructed with the expectation that they will have a stock effect that will stimulate economic activity, but there has been no method to verify this effect after the fact. In this study, we are developing a method to measure the effect of infrastructure stock by applying the linear non-Gaussian distribution model

Publications

  • Go SUGIHARA, Makoto TSUKAI,EVALUATION OF INFRASTRUCTURE STOCK EFFECT BY CAUSAL DISCOVERY, Journal of Japan Society of Civil Engineers, Ser. D3 (Infrastructure Planning and Management), (LiNGAM) method. Volume 75 Issue 6 Pages I_583-I_589, 2019 (in Japanese).

Research on evacuation behavior during torrential rains

In recent years, torrential rainfall disasters have occurred frequently in Japan, especially in Hiroshima, where torrential rainfall and landslide disasters have caused synergistic damage. This study aims to analyze the characteristics of evacuation behavior based on the interview data collected from victims of torrential rains in Hiroshima Prefecture, and to elucidate the psychological mechanism of evacuation in torrential rains.

Publications

  • Akito NAKANO, Saki NAKANO, Hiroki MATSUMOTO, Daisuke NAKANE, Wataru YAMAMOTO, Makoto TSUKAI, REACTIONS OF LOCAL GOVERNMENT AND OF INHABITANTS TO TORRENTIAL RAIN DISASTER IN HIROSHIMA PREFECTURE, Journal of Japan Society of Civil Engineers, Ser. B1 (Hydraulic Engineering), Volume 75 Issue 1 Pages 414-428, 2019(in Japanese)

Statistical analysis on geographical information

Geographical information, such as National Land Data, is one of the most fundamental and important types of big data. In this theme, we quantify the characteristics of geographic information using a geographic topic model that we developed. This research can be applied to regional monitoring, and will be used to monitor changes in human flow concentration points in cities under COVID19.

Publications

  • Tsukai, M., Ohno, S. and Tsukano, Y.: Transition of Socio-Demographic Characteristics in Urban Areas by Applying a Topic Model to Small Area Units, Sustainability 14(2), 1010, 2022.

Global life cycle assessment for automobile

We work on life cycle assessment for automobile from the global perspective by focusing on the environmental impacts of the reuse of automobiles exported from developed countries in developing countries.

Publications

  • H. Oda, H. Noguchi, M. Fuse, Review of life cycle assessment for automobiles: A meta-analysis-based approach, Renewable and Sustainable Energy Reviews, 159:112214, 2022.

Global material flow analysis for hazardous metals

We work on global scale material flow analysis to internationally control mercury and lead by focusing on the intercountry flows of target metals traded in a variety of forms.

Publications

  • M. Fuse, K. Tsunemi, Cross-border impacts of the restriction of hazardous substances: A perspective based on Japanese solders, Environmental Science & Technology, 47:9028-34, 2013.

Risk assessment for hydrogen economy

We work on risk assessment of hydrogen supply chain supporting hydrogen economy by focusing on social comprehensive risk including not only engineered risk but also economic and psychological impacts.

Publications

  • H. Noguchi, T. Omachi, H. Seya, M. Fuse, A GIS-based risk assessment of hydrogen transport: Case study in Yokohama City, International Journal of Hydrogen Energy, 46(23): 12420-28, 2021.