A more representative model of urban regional structure

Concentric mode, fan mode, multi-core mode.

Concentric pattern, which extends outward from the core in a concentric shape and consists of five concentric circles. Fan pattern, fan-shaped or extending outward along the traffic line. Multi-core model, the city develops around different points, forming a multi-core model.

Extended data:

Concentric pattern:

Representative: Chengdu

Features: After continuous invasion and migration, the functional areas of the city expand outward from the core in the form of concentric circles.

Main districts: central business district, transition area, workers' residential area, middle-class residential area and commuting area.

Sector mode:

Representative: Shenyang

Features: Under the influence of cars and other means of transportation, various functional areas of the city often expand outward in a fan or wedge shape along the traffic lines.

Main districts: central business district, wholesale and light industrial zone, low-rise residential zone, intermediate residential zone and high-rise residential zone.

Multi-core mode:

Representative: Shanghai

Features: With the continuous expansion of the city, the original city center has a new core because of high land price, traffic congestion and crowded residence, and the city has developed into a multi-core model around different points.

Main urban area: central business district, wholesale and light industrial district, low, medium and high-grade residential district, heavy industrial district, secondary business district, suburban residential district and suburban industrial district.

References:

Baidu Encyclopedia: Urban Regional Structure