Restrictions of Historical Tissues on Urban Growth, Self-Sustaining Agglomeration in Walled Cities of Chinese Origin

Haosu Zhao, Bart Julien Dewancker, Feng Hua, Junping He and Weijun Gao
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Haosu Zhao: Department of Architecture, Faculty of Environmental Engineering, The University of Kitakyushu, Wakamatsu-ku Hibikino 1-1, Kitakyushu 808-0135, Japan
Bart Julien Dewancker: Department of Architecture, Faculty of Environmental Engineering, The University of Kitakyushu, Wakamatsu-ku Hibikino 1-1, Kitakyushu 808-0135, Japan
Feng Hua: Faculty of Architecture and City Planning, Kunming University of Science and Technology, No.727 South Jingming Rd, Chenggong District, Kunming 650500, China
Junping He: Faculty of Architecture and City Planning, Kunming University of Science and Technology, No.727 South Jingming Rd, Chenggong District, Kunming 650500, China
Weijun Gao: Department of Architecture, Faculty of Environmental Engineering, The University of Kitakyushu, Wakamatsu-ku Hibikino 1-1, Kitakyushu 808-0135, Japan

Sustainability, 2020, vol. 12, issue 14, 1-29

Abstract: This article uses a fractal observation to help delineate the constraints placed by multiple city walls on the growth of historical East Asian cities. By applying advanced technologies from economic geography and fractal indices, a staged scaling process within urban dimension coherence can be applied to both indices. In this study, a discovery is proposed based on the urban organism concept that is capable of indicating a proportional intra-urban structure from a fundamental wall-bounded urban element (local specificity) to other greater walled spatial properties (global variables). This local specificity potentially performs approximate scaling regularities, and spatially denotes an average historical threshold of urban growth for its overall size, with similar scaling law constraints. This finding involves territorial, urban planning, and ancient architectural perspectives, providing a historical and local response to the expansion of contemporary cities. By employing growing fractal estimation, data processing enables the logarithmic city size to be obtained by measuring each wall’s specific features using the Ordinary Least Squares (OLS) method. On the basis of two-dimensional allometric scaling patches, a spatial unfolding mechanism is utilized to reproduce these dynamic changes with city walls as a result of the human trajectories in time geography.

Keywords: historical agglomeration; urban equilibrium; allometric scaling; walled city; organizational hierarchy (search for similar items in EconPapers)
JEL-codes: O13 Q Q0 Q2 Q3 Q5 Q56 (search for similar items in EconPapers)
Date: 2020
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