Because of the concentric ring-roads, the land use pattern and urban functions of Beijing has a general zonal structure that appears to conform to the concentric zone theory.

He explained that the concentric zone model is the less-than-perfect theory that a city emanates from its central business district nucleus in rings.

Economic models of urban planning of old, such as the multiple nuclei theory, concentric zone model and sector model, clearly define zones as should be in cities. [David Njaaga, Standard] Late ...