According to the statistics of China Sand and Gravel Association, the consumption of sand and gravel aggregate per kilometer of expressway is 5. Recently, six more expressway projects are about to start construction, with a total length of about 630 kilometers. With the development of the project, the consumption of sand and gravel aggregate per kilometer of expressway is 57,000 tons, which is expected to drive the demand for more than 35 million tons of sand and gravel! Ccement. Com/FlEGCU91nJuEWtGLWaZ5JCbdXkWC ">
Line length: The total length of the main line is about 107 kilometers
. Project overview: Guangxi Longan to Shuolong Expressway is divided into Nanning and the left border. It is an important part of the "Heng4" -Cangwu (Longyanzui) -Shuolong Expressway in the planning and layout of Guangxi Expressway Network. The starting point of the project is Na Zhengui, Longan County, Tongnan City, which connects with Longchong Expressway, and the end point intersects with the new hub of Jingyu Expressway (K85 + 000). At the same time, Fuxin Interchange is set up at K104 + 353 to connect with Tiandeng-Shuolong Highway. Tongda Shuolong Port, the main line is about 107 kilometers long, the pavement is asphalt concrete pavement, the standard construction of two-way four-lane expressway is adopted, the roadbed width is 27 meters, and the design speed is 120 kilometers per hour. Including 40.532 million cubic meters of subgrade excavation, 26.12 million cubic meters of filling, 21.25 km/90 bridges, 132 culverts, 110 passages, 13.145 km/32 tunnels, 7 interchanges, 4 service areas, 1 parking area, 1 maintenance area and 1 management sub-center. 6 Ramp toll stations are provided with 33 bridges of 4m 10650 and 13 tunnels of 10267m, and the ratio of bridge to tunnel is 42. The Longhushan connecting line is constructed simultaneously (it is constructed according to the standard of two-way two-lane second-class highway, with a design speed of 40 km/H and a roadbed width of 8.5m. Length 4.747km) and Daxin connecting line (adopting two-way four-lane first-class highway standard, design speed 80km/H, subgrade width 25.5m, Length 7.
Construction
line length of East Taihu Tunnel Phase I Project: 11.4 km
Total investment: 41.
SG01 Bid Section: The total length of East Taihu Tunnel Phase I Project is 5.7 km. The open-cut tunnel in this bid section is 3.427 km long (including 2.82 km in the middle of the lake) and
K3 + 443-K6 + 870 (three construction sections on the shore of Wuzhong District and adjacent water, with a tunnel length of 3427 m). Estimated contract price of tunnel, road, bridge and culvert, drainage, hydraulic engineering, civil engineering of auxiliary equipment room, installation and embedding, etc
. 22.SG02 bid section: the total length of the first phase of East Taihu Tunnel is 5.7 kilometers. The open-cut tunnel in this bid section is 2.234 km long (
including 1.K6 + 870-K9 + 104 section in the middle of the lake (the bank section of Wujiang District and two construction sections and flood passage in the adjacent water, the tunnel is 2234 m long). Estimated contract price of tunnel, road, bridge and culvert, drainage, hydraulic engineering, civil engineering of auxiliary equipment room, installation and embedding, etc. 18
. Line length of subgrade, bridge and culvert construction project
of Nanjing-Yancheng Expressway: the total length of the line is 126.589 km, of which the Nanjing section is 12.157 km. The Yangzhou section is 89.524 kilometers long, and the Taizhou section is 24.
Total investment: about 301.
Project overview: The route starts from the north of Xincheng Town, Liuhe District, Nanjing City, connects with the built Nanjing Bypass Expressway, and runs eastward through Chenji and Dayi in Yizheng City, Yangzhou City, and Songqiao, Cheluo and Sanduo in Gaoyou City. It continues eastward through the south side of Xinghua City, Taizhou City, and ends at Tiduo, Xinghua City, connecting with the proposed expansion of Yanjing Expressway and the proposed Dongtai-Xinghua Expressway. There are 145 bridges, 16 interchanges, 3 service areas (including gas stations), 1 main line toll station, 11 ramp toll stations and 3 maintenance work areas along the whole line. Necessary traffic engineering and facilities along the line shall be constructed simultaneously. This project adopts the standard construction of two-way six-lane expressway with a design speed of 120km/H and a roadbed width of 34.
The
length of the north extension line of Macheng-Yangxin Expressway is about 73 kilometers, and
the total investment is about 201. The total length of the line is about 32 kilometers. It is constructed according to the standard of two-way four-lane expressway with a design speed of 100 km/H. Subgrade width 26. It is planned to build 7517m/22 bridges (including 1756m/0.5 super-large bridges (half width)) and 8303m/6.5 tunnels (including 7033m long tunnels). The total investment is estimated to be about 51. Section II starts from Xingwang Bay in the east of Xiaogang Town, Xiaonan District in the west and connects with Fuyin Expressway (Hanshi Expressway). The total length of the route is about 26. There are 4 hub interchanges, 6 general interchanges, 1 service area, 1 maintenance work area, 2 monitoring and management sub-centers and 6 ramp toll stations. The total investment is estimated to be about 15 billion yuan according to the design speed of 120 km/H and the roadbed width of 34.
Length
of Dongjiakou-Liangshan (boundary between Shandong and Henan) Highway from Shenhai Expressway to Xintai Section: The total length of the line is 197.108 km, of which the length of the new line is 183.523 km, and the length of the Beijing-Shanghai Expressway section is 3.760 km. Utilization of Tai-Xin Expressway Section 9.
Project overview: The section from Dongliang Expressway to Shenhai Expressway to Xintai Expressway is an important part of the "nine vertical, five horizontal, one ring, seven radiations and multiple connections" expressway network planning in Shandong Province, and is a key construction project during the "14th Five-Year Plan" period of Shandong Province. The proposed project starts from Dongjiakou Hub of Shenhai Expressway in the east and ends at Xinwen Hub of Taixin Expressway in the west, passing through Huangdao District, south of Wulian County and north of Juxian County of Rizhao City, south of Yishui County, north of Yinan County and north of Mengyin County of Linyi City, connecting with Beijing-Shanghai Expressway at Wennan Town of Xintai City, using Beijing-Shanghai Expressway and Taixin Expressway to the end of the project, and connecting with Xintai-Ningyang Section of Dongliang Expressway. Length of subgrade and pavement construction
line of Hefei Section
of Huainan-Tongcheng Expressway:
Bid Section 1: subgrade works: mileage range: K56 + 321 ~ K68 + 659; Full-length
12.2 bid section: subgrade works: mileage K68 + 659 ~ K82 + 456, full-length 13. Pavement works: mileage K56 + 321 ~ K82 + 456, Total length
26.3 bid section: subgrade works: mileage range K82 + 456 ~ K99 + 370, total length 14. Pavement works: mileage range K82 + 456 ~ K115 + 013 (including railway section), construction administrative area is Feixi County. Full-length
32.4 bid section: subgrade works: mileage range: K99 + 370 ~ K115 + 013, Total length 15.
Total investment: The total estimated contract price is 687286 ten thousand yuan
. Project overview: The line starts from the south river at the boundary between Hefei and Huainan on the northwest side of Xinqiao International Airport in Hefei Economic Development Zone, and then runs from north to south along the corridor reserved in Hefei Airport New Town. It crosses the G40 Shanghai-Shaanxi Expressway between Xinqiao Service Area and Gaoliu Interchange, and crosses the main canal of the Pihe River southward into Shushan District; After crossing the channel from the Yangtze River to the Huaihe River and the National Highway G312 on the west side of the Canal New Town, it enters the high-tech zone, crosses the Ningxi Railway on the north side of Zipeng Mountain into Feixi County, then crosses the Hewu high-speed rail, the Huhanrong high-speed rail, the secondary protection area of Zipeng Mountain Scenic Spot, and goes southeast to the west side of Granite Town in Feixi County. The terminal point is located at the Fengle River at the boundary between Hefei and Lu'an City on the southeast side of Xincang Community, Fengle Town, Feixi County, and is connected to the planned line of Lu'an Section. The design speed is 120km/H, two-way six-lane from the starting point to Xincang hub, with a subgrade width of 34.5 meters (mileage of about 58.69 km), and two-way four-lane from Xincang hub to the end point, with a subgrade width of 27 meters (mileage of about 1.
There are 7 super-large bridges, 13 large bridges and 11 medium and small bridges along the whole line; Xinqiao West Interchange, Gaoliu Junction, Dabai Interchange, Zipengshan Interchange, Huagang West Interchange, Huagang South Interchange, 7 interchanges of Xincang Junction, 5 ramp toll stations, 1 service area, 2 short tunnels, 1 maintenance work area and 1 monitoring and communication sub-center.
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