The impact of COVID-19 on construction of a safe, resilient and healthy city is comprehensive. Old residential areas have become severely affected by spread of epidemic due to their low resilience, weak risk resistance, and weak self-help ability. The narrow public space and dense pedestrian flow in old residential areas have accelerated the spread of the virus. Based on the quantitative empirical research on samples of COVID-19 positive infected people in the old residential areas of Beijing, this study combined with personal mobile contact data, and took one hour as time unit to depict temporal and spatial behavior characteristics of personal mobility and contact in public space of the old residential areas of Beijing in 24 time series. Finally, based on the spatiotemporal behavior of individual movement and contact in public spaces of old residential areas in Beijing proposed in this article, a health and livability indicator system for an old residential area in Chaoyang District of Beijing was established, and a special health and livability physical examination evaluation was conducted for the old residential area. Then, measures for prevention and control of old residential areas at community level have been proposed. In order to provide a reference basis for community level spatial planning and management in response to future outbreaks of epidemic, and to enhance the community’s “livability index”.
Wu Ying,teacher of Beijing University of Civil Engineering and Architecture. Mainly engaged in urban renewal and preventive protection of architectural heritage research. Hosted and participated in 5 national and provincial level scientific research projects, was selected into the Youth Talent Program of China Association for Science and Technology.
Li Ai-qun,professor of Beijing University of Civil Engineering and Architecture/Southeast University. National level teaching master; obtainer of National Outstanding Youth Funds; New Century state candidate for “countless Talents Project”; Ministry of Education Cross Century Talents.