Ganchong expressway is a section of Xiarong expressway in the west of Jiangxi Province in the National expressway Network. The line starts from Tangjiang Town, Nankang, Ganzhou City, connects the western section of Ganzhou City and expressway, Jiangxi and Guangdong, passes through Nankang City, Shangyou County and Chongyi County, and finally reaches Hanchong Village, Wenying Township, Chongyi County, connecting with Reshui Town, Rucheng County, Hunan Province, with a total length of about 88 kilometers. Ganchong Expressway started construction in February 20 12, 12, 3 1.
Basic profile
Xiamen-Chengdu National Highway is the16th cross in the national highway planning "79 18" network. It starts from Xiamen, Fujian in the east, passes through Jiangxi, Hunan, Guangxi and Guizhou, and finally ends in Chengdu, Sichuan, with a total length of about 2,295 kilometers and a section from Ganzhou to Chongyi of 87.552 kilometers. It organically connects the developed eastern part of China, the economically booming central part and the developing western part. The construction of expressway will play an extremely important role in the implementation of China's "western development" strategy, the formation of expressway network between China and Jiangxi, the rapid development of regional economy along the line, the development and utilization of tourism resources along the line, and the integration process of the three major regions.
Technical engineering
(1) The whole line is designed as a two-way four-lane expressway;
(2) 100km/h is used to calculate the driving speed standard from the starting point to Shangyou East Interchange, and 80km/h is used to calculate the driving speed standard from Shangyou East Interchange to the end point;
(3) The design width of100 km/h monolithic subgrade is 26 meters; The design width of 80km/h monolithic subgrade is 24.5 meters, the pavement structure is asphalt concrete, the design life is 15 years, and the design standard axle load is BZZ- 100 KN.
(4) Vehicle load: Highway-Class I;
(5) Design flood frequency: 1/300 for the extra-large bridge,1100 for other bridges, culverts and subgrade;
(6) The whole line is equipped with supporting facilities such as safety, monitoring, communication, charging, power supply, lighting and service.
Number of land acquisition and demolition
The total land area is 583.4 hectares, including 562.224 hectares of agricultural land (including cultivated land 148.83333 hectares, garden land 167.7567 hectares, forest land 382.0593 hectares and other agricultural land 3 1.6543438 hectares) and construction land. 36846.786666666667
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