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

Table 2

Suitability evaluation system and criteria of reusing an ACMIS as a scientific research and office campus.

Layer criterion	Layer index	Quantitative index	Level
			I	II	III	IV
Environment	Geological hazard risk	Distribution map of debris flow hazards in Beijing in 2018	Nonprone area	Low-prone area	Moderate-prone area	High-prone area
	Site slop	Slope	[0, 5]	[5, 8]	[8, 15]	[15, 30]
	Geological conditions	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
Economy	Public transportation coverage	Distance to bus station (km)	[0, 0.5]	[0.5, 1]	[1, 2]	[2, 3]
	Distance to main road	Distance to main road (km)	[0, 0.5]	[0.5, 1]	[1, 1.5]	[1.5, 3]
	Enterprise income	Production capacity of each coal mine in 2016	[150, 200]	[100, 150]	[50, 100]	[0, 50]
	Research funding input	2015–2018 average scientific research expenditure (10 thousand RMB/year)	[3,000, 4,000]	[2,000, 3,000]	[1,000, 2,000]	[0, 1,000]
Society	Business service accessibility	As in Equation (1)	[3, 4]	[2, 3]	[1, 2]	[0, 1]
	Population distribution	2018 town population density (residents/km^2)	[900, 1,200]	[400, 900]	[100, 400]	[0, 100]
	Construction adaptability potential	Potential for reuse as office buildings	High	Moderate	Low	Very low
	Construction engineering stability	Land subsidence and foundation bearing capacity	High	Moderate	Low	Very low
	Educational facility coverage	Distance to research institutions and schools (km)	[0, 0.5]	[0.5, 1]	[1, 1.5]	[1.5, 3]
	Government or corporate tendency	Site reuse potential as a scientific research and office campus	High	Moderate	Low	Very low