Ten-day Expressway starts from Shiyan City, Hubei Province in the east and reaches Tianshui City, Gansu Province in the west, connecting Hubei, Shaanxi and Gansu provinces, with a total mileage of about 750 kilometers. Its Shaanxi section starts from Baihe County at the junction of Shaanxi and Hubei, and passes through Baihe, Xunyang, Hanbin, Hanyin, Shiquan, Xixiang, Yangxian, Chenggu, Hantai, Mianxian and Lueyang counties in Shaanxi Province, with a total mileage of about 480 kilometers.
Ten-day expressway belongs to the horizontal connecting line of the National expressway Network, starting from Shiyan City, Hubei Province in the east and Tianshui City, Gansu Province in the west. Its direction is roughly the same as that of national highway 3 16, passing through Hubei, Shaanxi and Gansu provinces, with a planned total mileage of about 750 kilometers.
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During the ten-day construction of expressway, the concepts of life cycle cost and low-carbon environmental protection and economy were vigorously promoted. Ditch cover plate, the western section of Ankang, is designed and manufactured as a colorful dish-shaped section, and the whole line adopts SMA- 13 asphalt pavement structure. Shiquan Hanjiang Bridge is constructed by "subsection steam curing greenhouse method".
In the construction of tunnel group, automatic spraying equipment is used to keep the second lining healthy, 3M passive reflective guiding signs are used in the internal inspection of the tunnel in the east of Ankang, and LED energy-saving lamps are used in some tunnels, which has become a national semiconductor lighting demonstration project.
In the interchange area and slope, according to the micro-topography of the gentle slope "golf course", the waste residue of backfilling project is treated to turn waste into treasure, pursue harmonious beauty and natural beauty, and select local suitable tree species for greening the whole line; The housing construction project combines the local customs of southern Shaanxi, based on the characteristics of sloping roof architecture and Huizhou architectural style, along the mountain, one stop and one scene, and integrates with the natural landscape of Qinba Mountain area.