Study on Grey Correlation Degree Decision-Making Model for Investment Scheme on High-Grade Highways in Western China

Table 7

Comparison table of the technical and economic indexes of all alternative plans.

No.	Item		Unit	Plan A	Plan B	Plan C	Plan D
1	Highway class		—	Arterial highway	Arterial highway	Arterial highway	Arterial highway
2	Design life		Year	15	20	20	15
3	Route length		km	1.275	1.1	1.132	1.018
4	Number of lanes		pcs	Two-way 4 lanes	Two-way 6 lanes	Two-way 6 lanes	Two-way 4 lanes
5	Number of horizontal curves		pcs	4	3	3	5
6	Minimum radius of horizontal curve		m/pcs	350/1	400/1	350/2	380/2
7	Maximum longitudinal grade		%/pcs	1.2/1	1.0/1	1.1/1	1.1/1
8	Earthwork	Fill	m^3	87,662	74,763	89,100	90,140
		Excavation	m^3	18,676	11,833	20,064	22,774
9	Masonry of protection engineering		m^3	1,589	1,549	1,455	1,546
10	Treatment of special subgrade		m	597	482.3	610	633.5
11	Subgrade width		m	24.5	29	29	32
12	Pavement	Asphalt concrete	m^2	28,270	27,500	28,020	—
		Cement concrete	m^2	—	—	—	29,300
13	Peak acceleration of Earth		g	0.2	0.2	0.2	0.2
14	Bridge		m/building	1	1	1	1
15	At-grade intersection		pcs	3	2	6	5
16	Culvert and channel		pcs	6	6	6	6
17	Demolished buildings		m^2	36,270	28,400	44,451	49,127
18	Occupied land		mu	94	86	89.4	91.3
19	Construction costs		RMB 10,000	6,544.8	5,365.81	6,975.1	7,013.9