Page 79 - JCAU-5-3
P. 79

Journal of Chinese
            Architecture and Urbanism                                      Spatial scale plasticity of urban residential areas



                                                                 Fourth, the enclosed unit on the north side of the
                                                               site is taken as an example of detailed design. For the
                                                               scale, according to the previous study, the enclosed unit
                                                               is six floors with 126 households. For the form of spatial
                                                               combination, the enclosed unit and its adjacent unit share
                                                               open space (Figure 15). For the building enclosure mode,
                                                               the plan transparent rate of residential units reaches 15%
                                                               (Zhang & Chen, 2016) and a convex courtyard is formed,
                                                               reflecting the concept of privacy. The main entrance and
                                                               a secondary entrance are reserved in the south-east and
                                                               north-west  directions.  These  entrances  are  conducive
                                                               to air circulation to improve the microclimate. Inside
                                                               the enclosed courtyard, an enclosed outdoor space
                                                               is set up with more natural elements and moderate
            Figure 14. Site plan. Source: Drawings by the authors  ground  elevation  changes,  providing a  healthy activity
                                                               environment (Figures  15  and  16). In the space along
            A                     B                            the street on the ground of the residential buildings,
                                                               convertible indoor space, such as convenience stores and
                                                               activity classrooms, is set up in response to an outbreak.
                                                               For high-rise apartments, shared space is set up for the
                                                               accessibility and convenience of residents during closed
                                                               management period (Figure 17).

                                                               5. Discussion
                                                               5.1. Balance between individual freedom and
            C                                                  collective health
                                                               In SDGs, there is always a potential conflict between
                                                               individual freedom and the risk of disease transmission.
                                                               Human contact increases social cohesion and the rate
                                                               of infection transmission at the same time. To prevent
                                                               the spread of diseases, it is always a challenge for urban
                                                               managers to choose the extent and the spatial scale to
                                                               moderately separate people and restrict their movements.
                                                               Spatial planning and the design of residential quarters
                                                               are some of the ways to achieve social governance goals
                                                               through spatial interventions. The balance between privacy
                                                               and mobility for residential space provides a governance
                                                               tool and a basis for balancing between the human freedom
                                                               of movement and the prevention of transmission to some
                                                               extent.
                                                                 The planning and design intention is to reconcile
                                                               the conflict between health preservation and freedom
                                                               to  accomplish  balance  between privacy and  mobility
                                                               of  living  space.  We attempted to find  an equilibrium
                                                               between  a  completely  gated  residential  quarter  and  an
                                                               open residential block to cope with the transition between
            Figure  15.  Management  unit  plan.  (A)  Management  unit  analysis.   daily life and epidemic prevention and control. This makes
            (B)  Transportation streamline  analysis. (C)  Site  detailed  plan.  Source:
            Drawings by the authors                            the use of space more effective and the management of
                                                               space more precise. It is possible to avoid the collective
            secondary entrances are electronically barricaded to allow   inconvenience caused by over-management and also to
            for partial closures when necessary (Figure 15).   guarantee the basic operation of each living unit.


            Volume 5 Issue 3 (2023)                         10                       https://doi.org/10.36922/jcau.1242
   74   75   76   77   78   79   80   81   82   83   84