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一、工程概况昌赣公路是南昌通往赣州的主要干线,是国道105北京至广州的一部分,全长417公里,有228公里已按二级公路改建。尚有189公里也按二级公路标准改建,分两期施工,第一期113公里,1983年动工,要求1985年完成。我处为第一期工程,担负吉安县境K233～245全长12公里改建任务。路面结构采用18厘米砂砾垫层,上铺15厘米水泥稳定砂砾基层,面层是2.5+1.5厘米沥青表处层。
I. Project Overview Chang-Gan Highway is the main route from Nanchang to Ganzhou. It is a part of State Road 105 from Beijing to Guangzhou. It has a total length of 417 km and a total length of 228 km has been converted according to the Grade II Highway. There are still 189 km also rebuilt according to secondary road standards, construction in two phases, the first 113 km, started in 1983, requiring completion in 1985. My office for the first phase of the project, responsible for Ji’an County K233 ~ 245 full length 12 km reconstruction task. Pavement structure with 18 cm gravel cushion, 15 cm cement stabilized gravel base, the surface layer is 2.5 +1.5 cm asphalt surface layer.