Jiayuguan-Anxi Highway is the trunk line of Lianyungang-Horgos (GZ45) National Highway, and it is a part of Xining-Korla Highway, one of the eight channels of "Western Development". The construction of this highway plays an important role in stimulating the economic development of the western region, and this project is also a key construction project in Gansu Province to achieve the grand goal of rebuilding Hexi. Therefore, the implementation of this project is of great significance, whether it is to play the role of national trunk lines or to promote the development of local economy in Gansu Province.
abstract
Jiayuguan-Anxi Highway is the trunk line of Lianyungang-Horgos (GZ45) National Highway, and it is a part of Xining-Korla Highway, one of the eight channels of "Western Development". The construction of this highway plays an important role in stimulating the economic development of the western region, and this project is also a key construction project in Gansu Province to achieve the grand goal of rebuilding Hexi. Therefore, the implementation of this project is of great significance, whether it is to play the role of national trunk lines or to promote the development of local economy in Gansu Province.
According to the forecast results of traffic volume and the analysis of road capacity, according to the terrain type, construction scale and technical standards, it is recommended to adopt a partially closed first-class highway with a design speed of100 km/h. The total width of monolithic subgrade is 25.50m, and its cross-section is composed of roadway width of 2× 3.75m, median width of 3.00m (including median width of 2.00m, edge line width of both sides of 0.5m), hard shoulder width of 3.0m (including edge line width of 0.5m) and earth shoulder width of 0.75m.. The width of separated subgrade is12.75m, the width of roadway is 2× 3.75m, the width of left hard shoulder is 0.75m, and the width of right hard shoulder is 3. ..
The total length of the route of this project is 234.793Km, including 6 sections of separated subgrade with a total length of 125.680422Km, 5 large bridges, 3 medium bridges 13 small bridges, 55 small bridges, 520 access culverts, 3 separated interchanges and 2 interchanges. Complete traffic signs, marking lines, median guardrails and roadside guardrails are set up along the whole line, and isolation guardrails are set up in some sections. There are 1 service area, 1 management office, 2 toll stations and 2 maintenance work areas.
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In 2006.
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