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Journal of Chinese
Architecture and Urbanism Spatial scale plasticity of urban residential areas
Figure 2. Synergies and trade-offs of COVID-19-related goals. Source: Diagram by the authors
the drug supply chain, leading to a disruption of normal government adopted a three-zone phased lockdown policy.
medical treatment. Taking residential quarters as the unit, residents with positive
Therefore, researchers are aware of the issue of synergies infections within 7 days were asked to self-quarantine
and trade-offs between the relevant goals established in in the lockdown zone, where door-to-door service was
response to COVID-19 and the SDGs. Regarding the provided. In the control zone, those without positive
policy goal related to epidemics, its core goal is the health infections within 7 days could leave their homes but not
risk control and the avoidance of mass spread (SDG 3.d). their residential quarters. Those without positive infection
Regarding the policy goal related to increased social within 14 days could move within their subdistricts, turning
contact and population mobility, its core goal is basic into a precaution zone. According to the data released by the
freedom and the right to information for residents (SDG Shanghai Health Commission, after the static management
16.10). The two core goals are supported and achieved with on April 1, there were more than 70,000 residential quarters,
natural villages, units, or sites in Shanghai forming tiny
different policy strategies in urban and community spaces. “management units” that operated almost independently .
3
In addition, there are conflicts between the two aspects,
including policy goals and means of achievement, which 3.2. Spatial distribution and residential characteristics
are transmitted to the other sub-goals of the two circles 3.2.1. Data acquisition
(Figure 2).
First, we captured the addresses with cases from March 6
The study is conducted in four steps. In the fourth step, to May 16 and counted the number of days with reported
4
the model is applied to specific residential planning and cases at each address point. Second, we captured the data
design projects in Shanghai (Figure 3). for the residential quarters from Gaode Map and classified
5
3. Materials and methods them into six categories based on the year of completion
and the characteristics of texture into workers’ new village,
3.1. Shanghai’s main strategy in response to COVID-19 commercial housing, apartments, villas, lilong, and garden
According to official reports, Shanghai experienced a wave 3 https://www.thepaper.cn/newsDetail_forward_18356659
of reported case growth in March 2022 and the 1.5 months [Last accessed 2022-08-27]
that followed. Official statistics show that the total cases 4 https://zt.changjing.com.cn/map/viewer?mid=d3vYD
of new infections in 3 months exceeded 600,000. During HfujJIkll_WdQ9Hcw [Last accessed 2022-08-27]
the citywide static management, the Shanghai municipal 5 https://www.amap.com/ [Last accessed 2022-06-23]
Volume 5 Issue 3 (2023) 3 https://doi.org/10.36922/jcau.1242

