Decision-Making on Reuse Modes of Abandoned Coal Mine Industrial Sites in Beijing Based on Environment-Economy-Society Matter-Element Models

Table 3

Suitability evaluation system and criteria of reusing an ACMIS as the business district.

Layer criterion	Layer index	Quantitative index	Level
			I	II	III	IV
Environment	Site slope	Slope	[0, 5]	[5, 15]	[15, 25]	[25, 35]
	Geological hazard risk	Distribution map of debris flow hazards in Beijing in 2018	Nonprone area	Low-prone area	Moderate-prone area	High-prone area
	Geological conditions	Measured soil texture	Loamy	Sandy loam	Clay soil	Fine-silty
	Heavy metal pollution	Hakanson potential ecological risk index	[0, 150]	[150, 300]	[300, 600]	[600, 1,000]
	Polluted wind	The extent to which the site is affected by polluted wind	Very low	Low	Moderate	High
	Water cleanliness	Mine water purification treatment capacity of site	High	Moderate	Low	Very low
Economy	Public transportation coverage	Distance to bus station (km)	[0, 0.5]	[0.5, 1]	[1, 2]	[2, 3]
	Distance from district center	Distance from district center (km)	[0, 40]	[40, 55]	[55, 70]	[70, + ∞]
	Disposable income of urban residents	Per capita disposable income of urban residents in 2018 (10 thousand Yuan)	[5, 8]	[4, 5]	[2, 4]	[0, 2]
	Disposable income of residents	Per capita net income of residents in 2018 (10 thousand Yuan)	[3, 5]	[2, 3]	[1, 2]	[0, 1]
	Consumption level of residents	Total retail sales of consumer goods in 2018 (100 million Yuan)	[200, 300]	[100, 200]	[50, 100]	[0, 50]
Society	Commercial concentration	As in equation (2)	[85, 100]	[75, 85]	[60, 75]	[0, 60]
	Public service accessibility	As in equation (1)	[4, 10]	[2, 4]	[1, 2]	[0, 1]
	Distance to scenic spots	Distance to the nearest scenic spot (km)	[2, 3]	[3, 4]	[4, 5]	[5, + ∞]
	Population distribution	2018 town population density (residents/km^2)	[900, 1,200]	[400, 900]	[100, 400]	[0, 00]
	Population	2018 town population (10 thousand RMB)	[2, 4]	[1, 2]	[0.6, 1]	[0, 0.6]
	Building adaptability potential	Reuse potential as a commercial building	High	Moderate	Low	Very low
	Construction engineering stability	Land subsidence and foundation bearing capacity	High	Moderate	Low	Very low
	Government or corporate tendency	Propensity to reuse the site as a commercial service area	High	Moderate	Low	Very low