Technical and Economic Indexes of an Expressway Project in Guangdong

Date:

2023-05-29
Views:

The project involves the construction of a 140 km expressway with a bridge-tunnel ratio of 32.56%, featuring a roadbed width of 34.5 meters. The final total investment for the project is RMB 109.8004 million/km, with a construction and installation cost of RMB 76.6855 million/km.


Final total investment cost index

 (RMB 10,000/km)

10,980.04

Construction and installation cost index 

(RMB 10,000/km)

7,668.55

Length of main line (km)

140

Length of connecting line (km)

7.113

Bridge-tunnel ratio (%)

32.56

Bridge ratio (%)

25.13

Tunnel ratio (%)

7.43

Tunnel (m/Nr.)

10399/9

Extra-long tunnel (m/Nr.)

0/0

Long tunnel (m/Nr.)

8467/5

Medium tunnel (m/Nr.)

1479/2

Short tunnel (m/Nr.)

453/2

Bridge (m/Nr.)

35181/79

Super major bridge (m/Nr.)

5130/3

Major bridge (m/Nr.)

28989.42/58

Medium and small bridges (m/Nr.)

1061.58/18

Interchange (km/Nr.)

15.76546/13

Management and maintenance house (m2)

65974.2

Width of main line subgrade (m)

34.5

Net width of tunnel (m)

14.5

Design speed of main 

line (km/h)

120

Design load

Highway - Class I

Seismic peak ground acceleration coefficient (g)

0.05